10560 lines
509 KiB
Plaintext
Executable File
10560 lines
509 KiB
Plaintext
Executable File
-- ======================================================================================================================================
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-- README:
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-- "--nspt " means the feature that openGauss not supported. We don't remove it directly, leave it for incremental adaptation.
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--
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-- The following test cases are available:
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-- postgres_fdw : This test case is modified from the commit:164d174bbf9a3aba719c845497863cd3c49a3ad0 of PG14.4.
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-- postgres_fdw_cstore : Test column orientation table.
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-- postgres_fdw_partition : This is a beta feature in openGauss, open it by "set sql_beta_feature='partition_fdw_on'"
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-- ======================================================================================================================================
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create database postgresfdw_test_db;
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\c postgresfdw_test_db
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set show_fdw_remote_plan = on;
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-- ======================================================================================================================================
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-- TEST-MODULE: create FDW objects
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-- --------------------------------------
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-- ======================================================================================================================================
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CREATE EXTENSION postgres_fdw;
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CREATE SERVER testserver1 FOREIGN DATA WRAPPER postgres_fdw;
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DO $d$
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BEGIN
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EXECUTE $$CREATE SERVER loopback FOREIGN DATA WRAPPER postgres_fdw
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OPTIONS (dbname '$$||current_database()||$$',
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port '$$||current_setting('port')||$$'
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)$$;
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EXECUTE $$CREATE SERVER loopback2 FOREIGN DATA WRAPPER postgres_fdw
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OPTIONS (dbname '$$||current_database()||$$',
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port '$$||current_setting('port')||$$'
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)$$;
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EXECUTE $$CREATE SERVER loopback3 FOREIGN DATA WRAPPER postgres_fdw
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OPTIONS (dbname '$$||current_database()||$$',
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port '$$||current_setting('port')||$$'
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)$$;
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END;
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$d$;
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CREATE USER MAPPING FOR public SERVER testserver1
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OPTIONS (user 'value', password 'value');
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CREATE USER MAPPING FOR CURRENT_USER SERVER loopback;
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CREATE USER MAPPING FOR CURRENT_USER SERVER loopback2;
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CREATE USER MAPPING FOR public SERVER loopback3;
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-- ======================================================================================================================================
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-- TEST-MODULE: create objects used through FDW loopback server
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-- --------------------------------------
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-- ======================================================================================================================================
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CREATE TYPE user_enum AS ENUM ('foo', 'bar', 'buz');
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CREATE SCHEMA "S 1";
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CREATE TABLE "S 1"."T 1" (
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"C 1" int NOT NULL,
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c2 int NOT NULL,
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c3 text,
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c4 timestamptz,
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c5 timestamp,
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c6 varchar(10),
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c7 char(10),
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c8 user_enum,
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CONSTRAINT t1_pkey PRIMARY KEY ("C 1")
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);
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NOTICE: CREATE TABLE / PRIMARY KEY will create implicit index "t1_pkey" for table "T 1"
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CREATE TABLE "S 1"."T 2" (
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c1 int NOT NULL,
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c2 text,
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CONSTRAINT t2_pkey PRIMARY KEY (c1)
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);
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NOTICE: CREATE TABLE / PRIMARY KEY will create implicit index "t2_pkey" for table "T 2"
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CREATE TABLE "S 1"."T 3" (
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c1 int NOT NULL,
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c2 int NOT NULL,
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c3 text,
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CONSTRAINT t3_pkey PRIMARY KEY (c1)
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);
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NOTICE: CREATE TABLE / PRIMARY KEY will create implicit index "t3_pkey" for table "T 3"
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CREATE TABLE "S 1"."T 4" (
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c1 int NOT NULL,
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c2 int NOT NULL,
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c3 text,
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CONSTRAINT t4_pkey PRIMARY KEY (c1)
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);
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NOTICE: CREATE TABLE / PRIMARY KEY will create implicit index "t4_pkey" for table "T 4"
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-- Disable autovacuum for these tables to avoid unexpected effects of that
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ALTER TABLE "S 1"."T 1" SET (autovacuum_enabled = 'false');
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ALTER TABLE "S 1"."T 2" SET (autovacuum_enabled = 'false');
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ALTER TABLE "S 1"."T 3" SET (autovacuum_enabled = 'false');
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ALTER TABLE "S 1"."T 4" SET (autovacuum_enabled = 'false');
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INSERT INTO "S 1"."T 1"
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SELECT id,
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id % 10,
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to_char(id, 'FM00000'),
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'1970-01-01'::timestamptz + ((id % 100) || ' days')::interval,
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'1970-01-01'::timestamp + ((id % 100) || ' days')::interval,
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id % 10,
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id % 10,
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'foo'::user_enum
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FROM generate_series(1, 1000) id;
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INSERT INTO "S 1"."T 2"
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SELECT id,
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'AAA' || to_char(id, 'FM000')
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FROM generate_series(1, 100) id;
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INSERT INTO "S 1"."T 3"
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SELECT id,
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id + 1,
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'AAA' || to_char(id, 'FM000')
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FROM generate_series(1, 100) id;
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DELETE FROM "S 1"."T 3" WHERE c1 % 2 != 0; -- delete for outer join tests
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INSERT INTO "S 1"."T 4"
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SELECT id,
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id + 1,
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'AAA' || to_char(id, 'FM000')
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FROM generate_series(1, 100) id;
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DELETE FROM "S 1"."T 4" WHERE c1 % 3 != 0; -- delete for outer join tests
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ANALYZE "S 1"."T 1";
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ANALYZE "S 1"."T 2";
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ANALYZE "S 1"."T 3";
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ANALYZE "S 1"."T 4";
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-- ======================================================================================================================================
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-- TEST-MODULE: create foreign tables
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-- --------------------------------------
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-- ======================================================================================================================================
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CREATE FOREIGN TABLE ft1 (
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c0 int,
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c1 int NOT NULL,
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c2 int NOT NULL,
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c3 text,
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c4 timestamptz,
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c5 timestamp,
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c6 varchar(10),
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c7 char(10) default 'ft1',
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c8 user_enum
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) SERVER loopback;
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ALTER FOREIGN TABLE ft1 DROP COLUMN c0;
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CREATE FOREIGN TABLE ft2 (
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c1 int NOT NULL,
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c2 int NOT NULL,
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cx int,
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c3 text,
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c4 timestamptz,
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c5 timestamp,
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c6 varchar(10),
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c7 char(10) default 'ft2',
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c8 user_enum
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) SERVER loopback;
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ALTER FOREIGN TABLE ft2 DROP COLUMN cx;
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CREATE FOREIGN TABLE ft4 (
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c1 int NOT NULL,
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c2 int NOT NULL,
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c3 text
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) SERVER loopback OPTIONS (schema_name 'S 1', table_name 'T 3');
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CREATE FOREIGN TABLE ft5 (
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c1 int NOT NULL,
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c2 int NOT NULL,
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c3 text
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) SERVER loopback OPTIONS (schema_name 'S 1', table_name 'T 4');
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CREATE FOREIGN TABLE ft6 (
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c1 int NOT NULL,
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c2 int NOT NULL,
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c3 text
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) SERVER loopback2 OPTIONS (schema_name 'S 1', table_name 'T 4');
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CREATE FOREIGN TABLE ft7 (
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c1 int NOT NULL,
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c2 int NOT NULL,
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c3 text
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) SERVER loopback3 OPTIONS (schema_name 'S 1', table_name 'T 4');
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-- ======================================================================================================================================
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-- TEST-MODULE: tests for validator
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-- --------------------------------------
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-- ======================================================================================================================================
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-- requiressl and some other parameters are omitted because
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-- valid values for them depend on configure options
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ALTER SERVER testserver1 OPTIONS (
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use_remote_estimate 'false',
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updatable 'true',
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fdw_startup_cost '123.456',
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fdw_tuple_cost '0.123',
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service 'value',
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connect_timeout 'value',
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dbname 'value',
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host 'value',
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hostaddr 'value',
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port 'value',
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--client_encoding 'value',
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application_name 'value',
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--fallback_application_name 'value',
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keepalives 'value',
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keepalives_idle 'value',
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keepalives_interval 'value',
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--nspt tcp_user_timeout 'value',
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-- requiressl 'value',
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sslcompression 'value',
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sslmode 'value',
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sslcert 'value',
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sslkey 'value',
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sslrootcert 'value',
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sslcrl 'value',
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--requirepeer 'value',
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krbsrvname 'value'
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--nspt gsslib 'value'
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--replication 'value'
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);
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-- Error, invalid list syntax
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ALTER SERVER testserver1 OPTIONS (ADD extensions 'foo; bar'); --nspt
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ERROR: invalid option "extensions"
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HINT: Valid options in this context are: service, connect_timeout, dbname, host, remote_nodename, hostaddr, port, localhost, localport, application_name, fencedUdfRPCMode, keepalives, keepalives_idle, keepalives_interval, keepalives_count, tcp_user_timeout, rw_timeout, sslmode, sslcompression, sslcert, sslkey, sslrootcert, sslcrl, requirepeer, krbsrvname, prototype, connection_info, connectionExtraInfo, target_session_attrs, use_remote_estimate, fdw_startup_cost, fdw_tuple_cost, updatable
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-- OK but gets a warning
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ALTER SERVER testserver1 OPTIONS (ADD extensions 'foo, bar'); --nspt
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ERROR: invalid option "extensions"
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HINT: Valid options in this context are: service, connect_timeout, dbname, host, remote_nodename, hostaddr, port, localhost, localport, application_name, fencedUdfRPCMode, keepalives, keepalives_idle, keepalives_interval, keepalives_count, tcp_user_timeout, rw_timeout, sslmode, sslcompression, sslcert, sslkey, sslrootcert, sslcrl, requirepeer, krbsrvname, prototype, connection_info, connectionExtraInfo, target_session_attrs, use_remote_estimate, fdw_startup_cost, fdw_tuple_cost, updatable
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ALTER SERVER testserver1 OPTIONS (DROP extensions); --nspt
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ERROR: option "extensions" not found
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ALTER USER MAPPING FOR public SERVER testserver1 OPTIONS (DROP user, DROP password);
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-- Attempt to add a valid option that's not allowed in a user mapping
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ALTER USER MAPPING FOR public SERVER testserver1 --nspt
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OPTIONS (ADD sslmode 'require'); --nspt
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ERROR: invalid option "sslmode"
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HINT: Valid options in this context are: user, password
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-- But we can add valid ones fine
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ALTER USER MAPPING FOR public SERVER testserver1 --nspt
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OPTIONS (ADD sslpassword 'dummy'); --nspt
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ERROR: invalid option "sslpassword"
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HINT: Valid options in this context are: user, password
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-- Ensure valid options we haven't used in a user mapping yet are
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-- permitted to check validation.
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ALTER USER MAPPING FOR public SERVER testserver1 --nspt
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OPTIONS (ADD sslkey 'value', ADD sslcert 'value'); --nspt
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ERROR: invalid option "sslkey"
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HINT: Valid options in this context are: user, password
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ALTER FOREIGN TABLE ft1 OPTIONS (schema_name 'S 1', table_name 'T 1');
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ALTER FOREIGN TABLE ft2 OPTIONS (schema_name 'S 1', table_name 'T 1');
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ALTER FOREIGN TABLE ft1 ALTER COLUMN c1 OPTIONS (column_name 'C 1');
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ALTER FOREIGN TABLE ft2 ALTER COLUMN c1 OPTIONS (column_name 'C 1');
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\det+
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List of foreign tables
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Schema | Table | Server | FDW Options | Description
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--------+-------+-----------+---------------------------------------+-------------
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public | ft1 | loopback | (schema_name 'S 1', table_name 'T 1') |
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public | ft2 | loopback | (schema_name 'S 1', table_name 'T 1') |
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public | ft4 | loopback | (schema_name 'S 1', table_name 'T 3') |
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public | ft5 | loopback | (schema_name 'S 1', table_name 'T 4') |
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public | ft6 | loopback2 | (schema_name 'S 1', table_name 'T 4') |
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public | ft7 | loopback3 | (schema_name 'S 1', table_name 'T 4') |
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(6 rows)
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-- Test that alteration of server options causes reconnection
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-- Remote's errors might be non-English, so hide them to ensure stable results
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\set VERBOSITY terse
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SELECT c3, c4 FROM ft1 ORDER BY c3, c1 LIMIT 1; -- should work
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c3 | c4
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-------+------------------------------
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00001 | Fri Jan 02 00:00:00 1970 PST
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(1 row)
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ALTER SERVER loopback OPTIONS (SET dbname 'no such database');
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SELECT c3, c4 FROM ft1 ORDER BY c3, c1 LIMIT 1; -- should fail
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ERROR: could not connect to server "loopback"
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DO $d$
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BEGIN
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EXECUTE $$ALTER SERVER loopback
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OPTIONS (SET dbname '$$||current_database()||$$')$$;
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END;
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$d$;
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SELECT c3, c4 FROM ft1 ORDER BY c3, c1 LIMIT 1; -- should work again
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c3 | c4
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-------+------------------------------
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00001 | Fri Jan 02 00:00:00 1970 PST
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(1 row)
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-- Test that alteration of user mapping options causes reconnection
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ALTER USER MAPPING FOR CURRENT_USER SERVER loopback
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OPTIONS (ADD user 'no such user');
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SELECT c3, c4 FROM ft1 ORDER BY c3, c1 LIMIT 1; -- should fail
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ERROR: could not connect to server "loopback"
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ALTER USER MAPPING FOR CURRENT_USER SERVER loopback
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OPTIONS (DROP user);
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SELECT c3, c4 FROM ft1 ORDER BY c3, c1 LIMIT 1; -- should work again
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c3 | c4
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-------+------------------------------
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00001 | Fri Jan 02 00:00:00 1970 PST
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(1 row)
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\set VERBOSITY default
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-- Now we should be able to run ANALYZE.
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-- To exercise multiple code paths, we use local stats on ft1
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-- and remote-estimate mode on ft2.
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ANALYZE ft1;
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ALTER FOREIGN TABLE ft2 OPTIONS (use_remote_estimate 'true');
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-- ======================================================================================================================================
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-- TEST-MODULE: simple queries
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-- --------------------------------------
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--
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-- ======================================================================================================================================
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-- single table without alias
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EXPLAIN (COSTS OFF) SELECT * FROM ft1 ORDER BY c3, c1 OFFSET 100 LIMIT 10;
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QUERY PLAN
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------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
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Foreign Scan on ft1
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Node ID: 1
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FDW remote plans:
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Node 1: EXPLAIN (VERBOSE OFF, COSTS OFF) SELECT "C 1", c2, c3, c4, c5, c6, c7, c8 FROM "S 1"."T 1" ORDER BY c3 ASC NULLS LAST, "C 1" ASC NULLS LAST LIMIT 10::bigint OFFSET 100::bigint
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Limit
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-> Sort
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Sort Key: c3, "C 1"
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-> Seq Scan on "T 1"
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(10 rows)
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SELECT * FROM ft1 ORDER BY c3, c1 OFFSET 100 LIMIT 10;
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c1 | c2 | c3 | c4 | c5 | c6 | c7 | c8
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-----+----+-------+------------------------------+--------------------------+----+------------+-----
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101 | 1 | 00101 | Fri Jan 02 00:00:00 1970 PST | Fri Jan 02 00:00:00 1970 | 1 | 1 | foo
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102 | 2 | 00102 | Sat Jan 03 00:00:00 1970 PST | Sat Jan 03 00:00:00 1970 | 2 | 2 | foo
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103 | 3 | 00103 | Sun Jan 04 00:00:00 1970 PST | Sun Jan 04 00:00:00 1970 | 3 | 3 | foo
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104 | 4 | 00104 | Mon Jan 05 00:00:00 1970 PST | Mon Jan 05 00:00:00 1970 | 4 | 4 | foo
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105 | 5 | 00105 | Tue Jan 06 00:00:00 1970 PST | Tue Jan 06 00:00:00 1970 | 5 | 5 | foo
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106 | 6 | 00106 | Wed Jan 07 00:00:00 1970 PST | Wed Jan 07 00:00:00 1970 | 6 | 6 | foo
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107 | 7 | 00107 | Thu Jan 08 00:00:00 1970 PST | Thu Jan 08 00:00:00 1970 | 7 | 7 | foo
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108 | 8 | 00108 | Fri Jan 09 00:00:00 1970 PST | Fri Jan 09 00:00:00 1970 | 8 | 8 | foo
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109 | 9 | 00109 | Sat Jan 10 00:00:00 1970 PST | Sat Jan 10 00:00:00 1970 | 9 | 9 | foo
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110 | 0 | 00110 | Sun Jan 11 00:00:00 1970 PST | Sun Jan 11 00:00:00 1970 | 0 | 0 | foo
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(10 rows)
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--nspt single table with alias - also test that tableoid sort is not pushed to remote side
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EXPLAIN (VERBOSE, COSTS OFF) SELECT * FROM ft1 t1 ORDER BY t1.c3, t1.c1, t1.tableoid OFFSET 100 LIMIT 10;
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ERROR: column t1.tableoid does not exist
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LINE 1: ... OFF) SELECT * FROM ft1 t1 ORDER BY t1.c3, t1.c1, t1.tableoi...
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^
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SELECT * FROM ft1 t1 ORDER BY t1.c3, t1.c1, t1.tableoid OFFSET 100 LIMIT 10;
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ERROR: column t1.tableoid does not exist
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LINE 1: SELECT * FROM ft1 t1 ORDER BY t1.c3, t1.c1, t1.tableoid OFFS...
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^
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-- whole-row reference
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EXPLAIN (VERBOSE, COSTS OFF) SELECT t1 FROM ft1 t1 ORDER BY t1.c3, t1.c1 OFFSET 100 LIMIT 10;
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QUERY PLAN
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-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
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Foreign Scan on public.ft1 t1
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Output: t1.*, c3, c1
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Node ID: 1
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Remote SQL: SELECT "C 1", c2, c3, c4, c5, c6, c7, c8 FROM "S 1"."T 1" ORDER BY c3 ASC NULLS LAST, "C 1" ASC NULLS LAST LIMIT 10::bigint OFFSET 100::bigint
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FDW remote plans:
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Node 1: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT "C 1", c2, c3, c4, c5, c6, c7, c8 FROM "S 1"."T 1" ORDER BY c3 ASC NULLS LAST, "C 1" ASC NULLS LAST LIMIT 10::bigint OFFSET 100::bigint
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Limit
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Output: "C 1", c2, c3, c4, c5, c6, c7, c8
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-> Sort
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Output: "C 1", c2, c3, c4, c5, c6, c7, c8
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Sort Key: "T 1".c3, "T 1"."C 1"
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-> Seq Scan on "S 1"."T 1"
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Output: "C 1", c2, c3, c4, c5, c6, c7, c8
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(15 rows)
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SELECT t1 FROM ft1 t1 ORDER BY t1.c3, t1.c1 OFFSET 100 LIMIT 10;
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t1
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--------------------------------------------------------------------------------------------
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(101,1,00101,"Fri Jan 02 00:00:00 1970 PST","Fri Jan 02 00:00:00 1970",1,"1 ",foo)
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(102,2,00102,"Sat Jan 03 00:00:00 1970 PST","Sat Jan 03 00:00:00 1970",2,"2 ",foo)
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(103,3,00103,"Sun Jan 04 00:00:00 1970 PST","Sun Jan 04 00:00:00 1970",3,"3 ",foo)
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(104,4,00104,"Mon Jan 05 00:00:00 1970 PST","Mon Jan 05 00:00:00 1970",4,"4 ",foo)
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(105,5,00105,"Tue Jan 06 00:00:00 1970 PST","Tue Jan 06 00:00:00 1970",5,"5 ",foo)
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(106,6,00106,"Wed Jan 07 00:00:00 1970 PST","Wed Jan 07 00:00:00 1970",6,"6 ",foo)
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(107,7,00107,"Thu Jan 08 00:00:00 1970 PST","Thu Jan 08 00:00:00 1970",7,"7 ",foo)
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(108,8,00108,"Fri Jan 09 00:00:00 1970 PST","Fri Jan 09 00:00:00 1970",8,"8 ",foo)
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(109,9,00109,"Sat Jan 10 00:00:00 1970 PST","Sat Jan 10 00:00:00 1970",9,"9 ",foo)
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(110,0,00110,"Sun Jan 11 00:00:00 1970 PST","Sun Jan 11 00:00:00 1970",0,"0 ",foo)
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(10 rows)
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-- empty result
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SELECT * FROM ft1 WHERE false;
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c1 | c2 | c3 | c4 | c5 | c6 | c7 | c8
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----+----+----+----+----+----+----+----
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(0 rows)
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-- with WHERE clause
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EXPLAIN (VERBOSE, COSTS OFF) SELECT * FROM ft1 t1 WHERE t1.c1 = 101 AND t1.c6 = '1' AND t1.c7 >= '1';
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QUERY PLAN
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---------------------------------------------------------------------------------------------------------------------------------------------------------------------------
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Foreign Scan on public.ft1 t1
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Output: c1, c2, c3, c4, c5, c6, c7, c8
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Node ID: 1
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Remote SQL: SELECT "C 1", c2, c3, c4, c5, c6, c7, c8 FROM "S 1"."T 1" WHERE ((c7 >= '1'::bpchar)) AND (("C 1" = 101)) AND ((c6 = '1'::text))
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FDW remote plans:
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Node 1: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT "C 1", c2, c3, c4, c5, c6, c7, c8 FROM "S 1"."T 1" WHERE ((c7 >= '1'::bpchar)) AND (("C 1" = 101)) AND ((c6 = '1'::text))
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Index Scan using t1_pkey on "S 1"."T 1"
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Output: "C 1", c2, c3, c4, c5, c6, c7, c8
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Index Cond: ("T 1"."C 1" = 101)
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Filter: (("T 1".c7 >= '1'::bpchar) AND (("T 1".c6)::text = '1'::text))
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(12 rows)
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SELECT * FROM ft1 t1 WHERE t1.c1 = 101 AND t1.c6 = '1' AND t1.c7 >= '1';
|
|
c1 | c2 | c3 | c4 | c5 | c6 | c7 | c8
|
|
-----+----+-------+------------------------------+--------------------------+----+------------+-----
|
|
101 | 1 | 00101 | Fri Jan 02 00:00:00 1970 PST | Fri Jan 02 00:00:00 1970 | 1 | 1 | foo
|
|
(1 row)
|
|
|
|
-- with FOR UPDATE/SHARE
|
|
EXPLAIN (VERBOSE, COSTS OFF) SELECT * FROM ft1 t1 WHERE c1 = 101 FOR UPDATE;
|
|
QUERY PLAN
|
|
-------------------------------------------------------------------------------------------------------------------------------------
|
|
Foreign Scan on public.ft1 t1
|
|
Output: c1, c2, c3, c4, c5, c6, c7, c8, t1.*
|
|
Node ID: 1
|
|
Remote SQL: SELECT "C 1", c2, c3, c4, c5, c6, c7, c8 FROM "S 1"."T 1" WHERE (("C 1" = 101)) FOR UPDATE
|
|
|
|
FDW remote plans:
|
|
Node 1: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT "C 1", c2, c3, c4, c5, c6, c7, c8 FROM "S 1"."T 1" WHERE (("C 1" = 101)) FOR UPDATE
|
|
[Bypass]
|
|
LockRows
|
|
Output: "C 1", c2, c3, c4, c5, c6, c7, c8, ctid
|
|
-> Index Scan using t1_pkey on "S 1"."T 1"
|
|
Output: "C 1", c2, c3, c4, c5, c6, c7, c8, ctid
|
|
Index Cond: ("T 1"."C 1" = 101)
|
|
|
|
(14 rows)
|
|
|
|
SELECT * FROM ft1 t1 WHERE c1 = 101 FOR UPDATE;
|
|
c1 | c2 | c3 | c4 | c5 | c6 | c7 | c8
|
|
-----+----+-------+------------------------------+--------------------------+----+------------+-----
|
|
101 | 1 | 00101 | Fri Jan 02 00:00:00 1970 PST | Fri Jan 02 00:00:00 1970 | 1 | 1 | foo
|
|
(1 row)
|
|
|
|
EXPLAIN (VERBOSE, COSTS OFF) SELECT * FROM ft1 t1 WHERE c1 = 102 FOR SHARE;
|
|
QUERY PLAN
|
|
------------------------------------------------------------------------------------------------------------------------------------
|
|
Foreign Scan on public.ft1 t1
|
|
Output: c1, c2, c3, c4, c5, c6, c7, c8, t1.*
|
|
Node ID: 1
|
|
Remote SQL: SELECT "C 1", c2, c3, c4, c5, c6, c7, c8 FROM "S 1"."T 1" WHERE (("C 1" = 102)) FOR SHARE
|
|
|
|
FDW remote plans:
|
|
Node 1: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT "C 1", c2, c3, c4, c5, c6, c7, c8 FROM "S 1"."T 1" WHERE (("C 1" = 102)) FOR SHARE
|
|
LockRows
|
|
Output: "C 1", c2, c3, c4, c5, c6, c7, c8, ctid
|
|
-> Index Scan using t1_pkey on "S 1"."T 1"
|
|
Output: "C 1", c2, c3, c4, c5, c6, c7, c8, ctid
|
|
Index Cond: ("T 1"."C 1" = 102)
|
|
|
|
(13 rows)
|
|
|
|
SELECT * FROM ft1 t1 WHERE c1 = 102 FOR SHARE;
|
|
c1 | c2 | c3 | c4 | c5 | c6 | c7 | c8
|
|
-----+----+-------+------------------------------+--------------------------+----+------------+-----
|
|
102 | 2 | 00102 | Sat Jan 03 00:00:00 1970 PST | Sat Jan 03 00:00:00 1970 | 2 | 2 | foo
|
|
(1 row)
|
|
|
|
-- aggregate
|
|
SELECT COUNT(*) FROM ft1 t1;
|
|
count
|
|
-------
|
|
1000
|
|
(1 row)
|
|
|
|
-- subquery
|
|
SELECT * FROM ft1 t1 WHERE t1.c3 IN (SELECT c3 FROM ft2 t2 WHERE c1 <= 10) ORDER BY c1;
|
|
c1 | c2 | c3 | c4 | c5 | c6 | c7 | c8
|
|
----+----+-------+------------------------------+--------------------------+----+------------+-----
|
|
1 | 1 | 00001 | Fri Jan 02 00:00:00 1970 PST | Fri Jan 02 00:00:00 1970 | 1 | 1 | foo
|
|
2 | 2 | 00002 | Sat Jan 03 00:00:00 1970 PST | Sat Jan 03 00:00:00 1970 | 2 | 2 | foo
|
|
3 | 3 | 00003 | Sun Jan 04 00:00:00 1970 PST | Sun Jan 04 00:00:00 1970 | 3 | 3 | foo
|
|
4 | 4 | 00004 | Mon Jan 05 00:00:00 1970 PST | Mon Jan 05 00:00:00 1970 | 4 | 4 | foo
|
|
5 | 5 | 00005 | Tue Jan 06 00:00:00 1970 PST | Tue Jan 06 00:00:00 1970 | 5 | 5 | foo
|
|
6 | 6 | 00006 | Wed Jan 07 00:00:00 1970 PST | Wed Jan 07 00:00:00 1970 | 6 | 6 | foo
|
|
7 | 7 | 00007 | Thu Jan 08 00:00:00 1970 PST | Thu Jan 08 00:00:00 1970 | 7 | 7 | foo
|
|
8 | 8 | 00008 | Fri Jan 09 00:00:00 1970 PST | Fri Jan 09 00:00:00 1970 | 8 | 8 | foo
|
|
9 | 9 | 00009 | Sat Jan 10 00:00:00 1970 PST | Sat Jan 10 00:00:00 1970 | 9 | 9 | foo
|
|
10 | 0 | 00010 | Sun Jan 11 00:00:00 1970 PST | Sun Jan 11 00:00:00 1970 | 0 | 0 | foo
|
|
(10 rows)
|
|
|
|
-- subquery+MAX
|
|
SELECT * FROM ft1 t1 WHERE t1.c3 = (SELECT MAX(c3) FROM ft2 t2) ORDER BY c1;
|
|
c1 | c2 | c3 | c4 | c5 | c6 | c7 | c8
|
|
------+----+-------+------------------------------+--------------------------+----+------------+-----
|
|
1000 | 0 | 01000 | Thu Jan 01 00:00:00 1970 PST | Thu Jan 01 00:00:00 1970 | 0 | 0 | foo
|
|
(1 row)
|
|
|
|
-- used in CTE
|
|
WITH t1 AS (SELECT * FROM ft1 WHERE c1 <= 10) SELECT t2.c1, t2.c2, t2.c3, t2.c4 FROM t1, ft2 t2 WHERE t1.c1 = t2.c1 ORDER BY t1.c1;
|
|
c1 | c2 | c3 | c4
|
|
----+----+-------+------------------------------
|
|
1 | 1 | 00001 | Fri Jan 02 00:00:00 1970 PST
|
|
2 | 2 | 00002 | Sat Jan 03 00:00:00 1970 PST
|
|
3 | 3 | 00003 | Sun Jan 04 00:00:00 1970 PST
|
|
4 | 4 | 00004 | Mon Jan 05 00:00:00 1970 PST
|
|
5 | 5 | 00005 | Tue Jan 06 00:00:00 1970 PST
|
|
6 | 6 | 00006 | Wed Jan 07 00:00:00 1970 PST
|
|
7 | 7 | 00007 | Thu Jan 08 00:00:00 1970 PST
|
|
8 | 8 | 00008 | Fri Jan 09 00:00:00 1970 PST
|
|
9 | 9 | 00009 | Sat Jan 10 00:00:00 1970 PST
|
|
10 | 0 | 00010 | Sun Jan 11 00:00:00 1970 PST
|
|
(10 rows)
|
|
|
|
-- fixed values
|
|
SELECT 'fixed', NULL FROM ft1 t1 WHERE c1 = 1;
|
|
?column? | ?column?
|
|
----------+----------
|
|
fixed |
|
|
(1 row)
|
|
|
|
-- Test forcing the remote server to produce sorted data for a merge join.
|
|
SET enable_hashjoin TO false;
|
|
SET enable_nestloop TO false;
|
|
-- inner join; expressions in the clauses appear in the equivalence class list
|
|
EXPLAIN (VERBOSE, COSTS OFF)
|
|
SELECT t1.c1, t2."C 1" FROM ft2 t1 JOIN "S 1"."T 1" t2 ON (t1.c1 = t2."C 1") OFFSET 100 LIMIT 10;
|
|
QUERY PLAN
|
|
------------------------------------------------------------------------------------------------------
|
|
Limit
|
|
Output: t1.c1, t2."C 1"
|
|
-> Merge Join
|
|
Output: t1.c1, t2."C 1"
|
|
Merge Cond: (t1.c1 = t2."C 1")
|
|
-> Foreign Scan on public.ft2 t1
|
|
Output: t1.c1
|
|
Node ID: 1
|
|
Remote SQL: SELECT "C 1" FROM "S 1"."T 1" ORDER BY "C 1" ASC NULLS LAST
|
|
-> Index Only Scan using t1_pkey on "S 1"."T 1" t2
|
|
Output: t2."C 1"
|
|
|
|
FDW remote plans:
|
|
Node 1: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT "C 1" FROM "S 1"."T 1" ORDER BY "C 1" ASC NULLS LAST
|
|
[Bypass]
|
|
Index Only Scan using t1_pkey on "S 1"."T 1"
|
|
Output: "C 1"
|
|
|
|
(18 rows)
|
|
|
|
SELECT t1.c1, t2."C 1" FROM ft2 t1 JOIN "S 1"."T 1" t2 ON (t1.c1 = t2."C 1") OFFSET 100 LIMIT 10;
|
|
c1 | C 1
|
|
-----+-----
|
|
101 | 101
|
|
102 | 102
|
|
103 | 103
|
|
104 | 104
|
|
105 | 105
|
|
106 | 106
|
|
107 | 107
|
|
108 | 108
|
|
109 | 109
|
|
110 | 110
|
|
(10 rows)
|
|
|
|
-- outer join; expressions in the clauses do not appear in equivalence class
|
|
-- list but no output change as compared to the previous query
|
|
EXPLAIN (VERBOSE, COSTS OFF)
|
|
SELECT t1.c1, t2."C 1" FROM ft2 t1 LEFT JOIN "S 1"."T 1" t2 ON (t1.c1 = t2."C 1") OFFSET 100 LIMIT 10;
|
|
QUERY PLAN
|
|
------------------------------------------------------------------------------------------------------
|
|
Limit
|
|
Output: t1.c1, t2."C 1"
|
|
-> Merge Left Join
|
|
Output: t1.c1, t2."C 1"
|
|
Merge Cond: (t1.c1 = t2."C 1")
|
|
-> Foreign Scan on public.ft2 t1
|
|
Output: t1.c1
|
|
Node ID: 1
|
|
Remote SQL: SELECT "C 1" FROM "S 1"."T 1" ORDER BY "C 1" ASC NULLS LAST
|
|
-> Index Only Scan using t1_pkey on "S 1"."T 1" t2
|
|
Output: t2."C 1"
|
|
|
|
FDW remote plans:
|
|
Node 1: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT "C 1" FROM "S 1"."T 1" ORDER BY "C 1" ASC NULLS LAST
|
|
[Bypass]
|
|
Index Only Scan using t1_pkey on "S 1"."T 1"
|
|
Output: "C 1"
|
|
|
|
(18 rows)
|
|
|
|
SELECT t1.c1, t2."C 1" FROM ft2 t1 LEFT JOIN "S 1"."T 1" t2 ON (t1.c1 = t2."C 1") OFFSET 100 LIMIT 10;
|
|
c1 | C 1
|
|
-----+-----
|
|
101 | 101
|
|
102 | 102
|
|
103 | 103
|
|
104 | 104
|
|
105 | 105
|
|
106 | 106
|
|
107 | 107
|
|
108 | 108
|
|
109 | 109
|
|
110 | 110
|
|
(10 rows)
|
|
|
|
-- A join between local table and foreign join. ORDER BY clause is added to the
|
|
-- foreign join so that the local table can be joined using merge join strategy.
|
|
EXPLAIN (VERBOSE, COSTS OFF)
|
|
SELECT t1."C 1" FROM "S 1"."T 1" t1 left join ft1 t2 join ft2 t3 on (t2.c1 = t3.c1) on (t3.c1 = t1."C 1") OFFSET 100 LIMIT 10;
|
|
QUERY PLAN
|
|
------------------------------------------------------------------------------------------------------------------------------------------------------------------------
|
|
Limit
|
|
Output: t1."C 1"
|
|
-> Merge Right Join
|
|
Output: t1."C 1"
|
|
Merge Cond: (t3.c1 = t1."C 1")
|
|
-> Foreign Scan
|
|
Output: t3.c1
|
|
Node ID: 1
|
|
Relations: (public.ft1 t2) INNER JOIN (public.ft2 t3)
|
|
Remote SQL: SELECT r3."C 1" FROM ("S 1"."T 1" r2 INNER JOIN "S 1"."T 1" r3 ON (((r2."C 1" = r3."C 1")))) ORDER BY r2."C 1" ASC NULLS LAST
|
|
-> Index Only Scan using t1_pkey on "S 1"."T 1" t1
|
|
Output: t1."C 1"
|
|
|
|
FDW remote plans:
|
|
Node 1: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT r3."C 1" FROM ("S 1"."T 1" r2 INNER JOIN "S 1"."T 1" r3 ON (((r2."C 1" = r3."C 1")))) ORDER BY r2."C 1" ASC NULLS LAST
|
|
Merge Join
|
|
Output: r3."C 1", r2."C 1"
|
|
Merge Cond: (r2."C 1" = r3."C 1")
|
|
-> Index Only Scan using t1_pkey on "S 1"."T 1" r2
|
|
Output: r2."C 1"
|
|
-> Index Only Scan using t1_pkey on "S 1"."T 1" r3
|
|
Output: r3."C 1"
|
|
|
|
(23 rows)
|
|
|
|
SELECT t1."C 1" FROM "S 1"."T 1" t1 left join ft1 t2 join ft2 t3 on (t2.c1 = t3.c1) on (t3.c1 = t1."C 1") OFFSET 100 LIMIT 10;
|
|
C 1
|
|
-----
|
|
101
|
|
102
|
|
103
|
|
104
|
|
105
|
|
106
|
|
107
|
|
108
|
|
109
|
|
110
|
|
(10 rows)
|
|
|
|
-- Test similar to above, except that the full join prevents any equivalence
|
|
-- classes from being merged. This produces single relation equivalence classes
|
|
-- included in join restrictions.
|
|
EXPLAIN (VERBOSE, COSTS OFF)
|
|
SELECT t1."C 1", t2.c1, t3.c1 FROM "S 1"."T 1" t1 left join ft1 t2 full join ft2 t3 on (t2.c1 = t3.c1) on (t3.c1 = t1."C 1") OFFSET 100 LIMIT 10;
|
|
QUERY PLAN
|
|
---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
|
|
Limit
|
|
Output: t1."C 1", t2.c1, t3.c1
|
|
-> Merge Right Join
|
|
Output: t1."C 1", t2.c1, t3.c1
|
|
Merge Cond: (t3.c1 = t1."C 1")
|
|
-> Foreign Scan
|
|
Output: t3.c1, t2.c1
|
|
Node ID: 1
|
|
Relations: (public.ft2 t3) LEFT JOIN (public.ft1 t2)
|
|
Remote SQL: SELECT r3."C 1", r2."C 1" FROM ("S 1"."T 1" r3 LEFT JOIN "S 1"."T 1" r2 ON (((r2."C 1" = r3."C 1")))) ORDER BY r3."C 1" ASC NULLS LAST
|
|
-> Index Only Scan using t1_pkey on "S 1"."T 1" t1
|
|
Output: t1."C 1"
|
|
|
|
FDW remote plans:
|
|
Node 1: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT r3."C 1", r2."C 1" FROM ("S 1"."T 1" r3 LEFT JOIN "S 1"."T 1" r2 ON (((r2."C 1" = r3."C 1")))) ORDER BY r3."C 1" ASC NULLS LAST
|
|
Merge Left Join
|
|
Output: r3."C 1", r2."C 1"
|
|
Merge Cond: (r3."C 1" = r2."C 1")
|
|
-> Index Only Scan using t1_pkey on "S 1"."T 1" r3
|
|
Output: r3."C 1"
|
|
-> Index Only Scan using t1_pkey on "S 1"."T 1" r2
|
|
Output: r2."C 1"
|
|
|
|
(23 rows)
|
|
|
|
SELECT t1."C 1", t2.c1, t3.c1 FROM "S 1"."T 1" t1 left join ft1 t2 full join ft2 t3 on (t2.c1 = t3.c1) on (t3.c1 = t1."C 1") OFFSET 100 LIMIT 10;
|
|
C 1 | c1 | c1
|
|
-----+-----+-----
|
|
101 | 101 | 101
|
|
102 | 102 | 102
|
|
103 | 103 | 103
|
|
104 | 104 | 104
|
|
105 | 105 | 105
|
|
106 | 106 | 106
|
|
107 | 107 | 107
|
|
108 | 108 | 108
|
|
109 | 109 | 109
|
|
110 | 110 | 110
|
|
(10 rows)
|
|
|
|
-- Test similar to above with all full outer joins
|
|
EXPLAIN (VERBOSE, COSTS OFF)
|
|
SELECT t1."C 1", t2.c1, t3.c1 FROM "S 1"."T 1" t1 full join ft1 t2 full join ft2 t3 on (t2.c1 = t3.c1) on (t3.c1 = t1."C 1") OFFSET 100 LIMIT 10;
|
|
QUERY PLAN
|
|
---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
|
|
Limit
|
|
Output: t1."C 1", t2.c1, t3.c1
|
|
-> Merge Full Join
|
|
Output: t1."C 1", t2.c1, t3.c1
|
|
Merge Cond: (t3.c1 = t1."C 1")
|
|
-> Foreign Scan
|
|
Output: t2.c1, t3.c1
|
|
Node ID: 1
|
|
Relations: (public.ft1 t2) FULL JOIN (public.ft2 t3)
|
|
Remote SQL: SELECT r2."C 1", r3."C 1" FROM ("S 1"."T 1" r2 FULL JOIN "S 1"."T 1" r3 ON (((r2."C 1" = r3."C 1")))) ORDER BY r3."C 1" ASC NULLS LAST
|
|
-> Index Only Scan using t1_pkey on "S 1"."T 1" t1
|
|
Output: t1."C 1"
|
|
|
|
FDW remote plans:
|
|
Node 1: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT r2."C 1", r3."C 1" FROM ("S 1"."T 1" r2 FULL JOIN "S 1"."T 1" r3 ON (((r2."C 1" = r3."C 1")))) ORDER BY r3."C 1" ASC NULLS LAST
|
|
Sort
|
|
Output: r2."C 1", r3."C 1"
|
|
Sort Key: r3."C 1"
|
|
-> Hash Full Join
|
|
Output: r2."C 1", r3."C 1"
|
|
Hash Cond: (r2."C 1" = r3."C 1")
|
|
-> Seq Scan on "S 1"."T 1" r2
|
|
Output: r2."C 1", r2.c2, r2.c3, r2.c4, r2.c5, r2.c6, r2.c7, r2.c8
|
|
-> Hash
|
|
Output: r3."C 1"
|
|
-> Seq Scan on "S 1"."T 1" r3
|
|
Output: r3."C 1"
|
|
|
|
(28 rows)
|
|
|
|
SELECT t1."C 1", t2.c1, t3.c1 FROM "S 1"."T 1" t1 full join ft1 t2 full join ft2 t3 on (t2.c1 = t3.c1) on (t3.c1 = t1."C 1") OFFSET 100 LIMIT 10;
|
|
C 1 | c1 | c1
|
|
-----+-----+-----
|
|
101 | 101 | 101
|
|
102 | 102 | 102
|
|
103 | 103 | 103
|
|
104 | 104 | 104
|
|
105 | 105 | 105
|
|
106 | 106 | 106
|
|
107 | 107 | 107
|
|
108 | 108 | 108
|
|
109 | 109 | 109
|
|
110 | 110 | 110
|
|
(10 rows)
|
|
|
|
RESET enable_hashjoin;
|
|
RESET enable_nestloop;
|
|
-- Test executing assertion in estimate_path_cost_size() that makes sure that
|
|
-- retrieved_rows for foreign rel re-used to cost pre-sorted foreign paths is
|
|
-- a sensible value even when the rel has tuples=0
|
|
CREATE TABLE loct_empty (c1 int NOT NULL, c2 text);
|
|
CREATE FOREIGN TABLE ft_empty (c1 int NOT NULL, c2 text)
|
|
SERVER loopback OPTIONS (table_name 'loct_empty');
|
|
INSERT INTO loct_empty
|
|
SELECT id, 'AAA' || to_char(id, 'FM000') FROM generate_series(1, 100) id;
|
|
DELETE FROM loct_empty;
|
|
ANALYZE ft_empty;
|
|
EXPLAIN (VERBOSE, COSTS OFF) SELECT * FROM ft_empty ORDER BY c1;
|
|
QUERY PLAN
|
|
----------------------------------------------------------------------------------------------------------
|
|
Foreign Scan on public.ft_empty
|
|
Output: c1, c2
|
|
Node ID: 1
|
|
Remote SQL: SELECT c1, c2 FROM public.loct_empty ORDER BY c1 ASC NULLS LAST
|
|
|
|
FDW remote plans:
|
|
Node 1: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT c1, c2 FROM public.loct_empty ORDER BY c1 ASC NULLS LAST
|
|
Sort
|
|
Output: c1, c2
|
|
Sort Key: loct_empty.c1
|
|
-> Seq Scan on public.loct_empty
|
|
Output: c1, c2
|
|
|
|
(13 rows)
|
|
|
|
-- ======================================================================================================================================
|
|
-- TEST-MODULE: WHERE with remotely-executable conditions
|
|
-- --------------------------------------
|
|
-- ======================================================================================================================================
|
|
EXPLAIN (VERBOSE, COSTS OFF) SELECT * FROM ft1 t1 WHERE t1.c1 = 1; -- Var, OpExpr(b), Const
|
|
QUERY PLAN
|
|
------------------------------------------------------------------------------------------------------------------------
|
|
Foreign Scan on public.ft1 t1
|
|
Output: c1, c2, c3, c4, c5, c6, c7, c8
|
|
Node ID: 1
|
|
Remote SQL: SELECT "C 1", c2, c3, c4, c5, c6, c7, c8 FROM "S 1"."T 1" WHERE (("C 1" = 1))
|
|
|
|
FDW remote plans:
|
|
Node 1: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT "C 1", c2, c3, c4, c5, c6, c7, c8 FROM "S 1"."T 1" WHERE (("C 1" = 1))
|
|
[Bypass]
|
|
Index Scan using t1_pkey on "S 1"."T 1"
|
|
Output: "C 1", c2, c3, c4, c5, c6, c7, c8
|
|
Index Cond: ("T 1"."C 1" = 1)
|
|
|
|
(12 rows)
|
|
|
|
EXPLAIN (VERBOSE, COSTS OFF) SELECT * FROM ft1 t1 WHERE t1.c1 = 100 AND t1.c2 = 0; -- BoolExpr
|
|
QUERY PLAN
|
|
-----------------------------------------------------------------------------------------------------------------------------------------
|
|
Foreign Scan on public.ft1 t1
|
|
Output: c1, c2, c3, c4, c5, c6, c7, c8
|
|
Node ID: 1
|
|
Remote SQL: SELECT "C 1", c2, c3, c4, c5, c6, c7, c8 FROM "S 1"."T 1" WHERE (("C 1" = 100)) AND ((c2 = 0))
|
|
|
|
FDW remote plans:
|
|
Node 1: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT "C 1", c2, c3, c4, c5, c6, c7, c8 FROM "S 1"."T 1" WHERE (("C 1" = 100)) AND ((c2 = 0))
|
|
Index Scan using t1_pkey on "S 1"."T 1"
|
|
Output: "C 1", c2, c3, c4, c5, c6, c7, c8
|
|
Index Cond: ("T 1"."C 1" = 100)
|
|
Filter: ("T 1".c2 = 0)
|
|
|
|
(12 rows)
|
|
|
|
EXPLAIN (VERBOSE, COSTS OFF) SELECT * FROM ft1 t1 WHERE c1 IS NULL; -- NullTest
|
|
QUERY PLAN
|
|
----------------------------------------------------------------------------------------------------------------------------
|
|
Foreign Scan on public.ft1 t1
|
|
Output: c1, c2, c3, c4, c5, c6, c7, c8
|
|
Node ID: 1
|
|
Remote SQL: SELECT "C 1", c2, c3, c4, c5, c6, c7, c8 FROM "S 1"."T 1" WHERE (("C 1" IS NULL))
|
|
|
|
FDW remote plans:
|
|
Node 1: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT "C 1", c2, c3, c4, c5, c6, c7, c8 FROM "S 1"."T 1" WHERE (("C 1" IS NULL))
|
|
Result
|
|
Output: "C 1", c2, c3, c4, c5, c6, c7, c8
|
|
One-Time Filter: false
|
|
-> Index Scan using t1_pkey on "S 1"."T 1"
|
|
Output: "C 1", c2, c3, c4, c5, c6, c7, c8
|
|
Index Cond: ("T 1"."C 1" IS NULL)
|
|
|
|
(14 rows)
|
|
|
|
EXPLAIN (VERBOSE, COSTS OFF) SELECT * FROM ft1 t1 WHERE c1 IS NOT NULL; -- NullTest
|
|
QUERY PLAN
|
|
----------------------------------------------------------------------------------------------------
|
|
Foreign Scan on public.ft1 t1
|
|
Output: c1, c2, c3, c4, c5, c6, c7, c8
|
|
Node ID: 1
|
|
Remote SQL: SELECT "C 1", c2, c3, c4, c5, c6, c7, c8 FROM "S 1"."T 1"
|
|
|
|
FDW remote plans:
|
|
Node 1: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT "C 1", c2, c3, c4, c5, c6, c7, c8 FROM "S 1"."T 1"
|
|
Seq Scan on "S 1"."T 1"
|
|
Output: "C 1", c2, c3, c4, c5, c6, c7, c8
|
|
|
|
(10 rows)
|
|
|
|
EXPLAIN (VERBOSE, COSTS OFF) SELECT * FROM ft1 t1 WHERE round(abs(c1), 0) = 1; -- FuncExpr
|
|
QUERY PLAN
|
|
------------------------------------------------------------------------------------------------------------------------------------------------
|
|
Foreign Scan on public.ft1 t1
|
|
Output: c1, c2, c3, c4, c5, c6, c7, c8
|
|
Node ID: 1
|
|
Remote SQL: SELECT "C 1", c2, c3, c4, c5, c6, c7, c8 FROM "S 1"."T 1" WHERE ((round(abs("C 1"), 0) = 1::numeric))
|
|
|
|
FDW remote plans:
|
|
Node 1: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT "C 1", c2, c3, c4, c5, c6, c7, c8 FROM "S 1"."T 1" WHERE ((round(abs("C 1"), 0) = 1::numeric))
|
|
Seq Scan on "S 1"."T 1"
|
|
Output: "C 1", c2, c3, c4, c5, c6, c7, c8
|
|
Filter: (round((abs("T 1"."C 1"))::numeric, 0) = 1::numeric)
|
|
|
|
(11 rows)
|
|
|
|
EXPLAIN (VERBOSE, COSTS OFF) SELECT * FROM ft1 t1 WHERE c1 = -c1; -- OpExpr(l)
|
|
QUERY PLAN
|
|
--------------------------------------------------------------------------------------------------------------------------------
|
|
Foreign Scan on public.ft1 t1
|
|
Output: c1, c2, c3, c4, c5, c6, c7, c8
|
|
Node ID: 1
|
|
Remote SQL: SELECT "C 1", c2, c3, c4, c5, c6, c7, c8 FROM "S 1"."T 1" WHERE (("C 1" = (- "C 1")))
|
|
|
|
FDW remote plans:
|
|
Node 1: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT "C 1", c2, c3, c4, c5, c6, c7, c8 FROM "S 1"."T 1" WHERE (("C 1" = (- "C 1")))
|
|
Seq Scan on "S 1"."T 1"
|
|
Output: "C 1", c2, c3, c4, c5, c6, c7, c8
|
|
Filter: ("T 1"."C 1" = (- "T 1"."C 1"))
|
|
|
|
(11 rows)
|
|
|
|
EXPLAIN (VERBOSE, COSTS OFF) SELECT * FROM ft1 t1 WHERE (c1 IS NOT NULL) IS DISTINCT FROM (c1 IS NOT NULL); -- DistinctExpr
|
|
QUERY PLAN
|
|
-----------------------------------------------------------------------------------------------------------------------------------------------------------------------
|
|
Foreign Scan on public.ft1 t1
|
|
Output: c1, c2, c3, c4, c5, c6, c7, c8
|
|
Node ID: 1
|
|
Remote SQL: SELECT "C 1", c2, c3, c4, c5, c6, c7, c8 FROM "S 1"."T 1" WHERE ((("C 1" IS NOT NULL) IS DISTINCT FROM ("C 1" IS NOT NULL)))
|
|
|
|
FDW remote plans:
|
|
Node 1: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT "C 1", c2, c3, c4, c5, c6, c7, c8 FROM "S 1"."T 1" WHERE ((("C 1" IS NOT NULL) IS DISTINCT FROM ("C 1" IS NOT NULL)))
|
|
Seq Scan on "S 1"."T 1"
|
|
Output: "C 1", c2, c3, c4, c5, c6, c7, c8
|
|
Filter: (("T 1"."C 1" IS NOT NULL) IS DISTINCT FROM ("T 1"."C 1" IS NOT NULL))
|
|
|
|
(11 rows)
|
|
|
|
EXPLAIN (VERBOSE, COSTS OFF) SELECT * FROM ft1 t1 WHERE c1 = ANY(ARRAY[c2, 1, c1 + 0]); -- ScalarArrayOpExpr
|
|
QUERY PLAN
|
|
------------------------------------------------------------------------------------------------------------------------------------------------------
|
|
Foreign Scan on public.ft1 t1
|
|
Output: c1, c2, c3, c4, c5, c6, c7, c8
|
|
Node ID: 1
|
|
Remote SQL: SELECT "C 1", c2, c3, c4, c5, c6, c7, c8 FROM "S 1"."T 1" WHERE (("C 1" = ANY (ARRAY[c2, 1, ("C 1" + 0)])))
|
|
|
|
FDW remote plans:
|
|
Node 1: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT "C 1", c2, c3, c4, c5, c6, c7, c8 FROM "S 1"."T 1" WHERE (("C 1" = ANY (ARRAY[c2, 1, ("C 1" + 0)])))
|
|
Seq Scan on "S 1"."T 1"
|
|
Output: "C 1", c2, c3, c4, c5, c6, c7, c8
|
|
Filter: ("T 1"."C 1" = ANY (ARRAY["T 1".c2, 1, ("T 1"."C 1" + 0)]))
|
|
|
|
(11 rows)
|
|
|
|
EXPLAIN (VERBOSE, COSTS OFF) SELECT * FROM ft1 t1 WHERE c1 = (ARRAY[c1,c2,3])[1]; -- SubscriptingRef
|
|
QUERY PLAN
|
|
-------------------------------------------------------------------------------------------------------------------------------------------------
|
|
Foreign Scan on public.ft1 t1
|
|
Output: c1, c2, c3, c4, c5, c6, c7, c8
|
|
Node ID: 1
|
|
Remote SQL: SELECT "C 1", c2, c3, c4, c5, c6, c7, c8 FROM "S 1"."T 1" WHERE (("C 1" = ((ARRAY["C 1", c2, 3])[1])))
|
|
|
|
FDW remote plans:
|
|
Node 1: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT "C 1", c2, c3, c4, c5, c6, c7, c8 FROM "S 1"."T 1" WHERE (("C 1" = ((ARRAY["C 1", c2, 3])[1])))
|
|
Seq Scan on "S 1"."T 1"
|
|
Output: "C 1", c2, c3, c4, c5, c6, c7, c8
|
|
Filter: ("T 1"."C 1" = (ARRAY["T 1"."C 1", "T 1".c2, 3])[1])
|
|
|
|
(11 rows)
|
|
|
|
EXPLAIN (VERBOSE, COSTS OFF) SELECT * FROM ft1 t1 WHERE c6 = E'foo''s\\bar'; -- check special chars
|
|
QUERY PLAN
|
|
----------------------------------------------------------------------------------------------------------------------------------------
|
|
Foreign Scan on public.ft1 t1
|
|
Output: c1, c2, c3, c4, c5, c6, c7, c8
|
|
Node ID: 1
|
|
Remote SQL: SELECT "C 1", c2, c3, c4, c5, c6, c7, c8 FROM "S 1"."T 1" WHERE ((c6 = E'foo''s\\bar'::text))
|
|
|
|
FDW remote plans:
|
|
Node 1: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT "C 1", c2, c3, c4, c5, c6, c7, c8 FROM "S 1"."T 1" WHERE ((c6 = E'foo''s\\bar'::text))
|
|
Seq Scan on "S 1"."T 1"
|
|
Output: "C 1", c2, c3, c4, c5, c6, c7, c8
|
|
Filter: (("T 1".c6)::text = 'foo''s\bar'::text)
|
|
|
|
(11 rows)
|
|
|
|
EXPLAIN (VERBOSE, COSTS OFF) SELECT * FROM ft1 t1 WHERE c8 = 'foo'; -- can't be sent to remote
|
|
QUERY PLAN
|
|
----------------------------------------------------------------------------------------------------
|
|
Foreign Scan on public.ft1 t1
|
|
Output: c1, c2, c3, c4, c5, c6, c7, c8
|
|
Filter: (t1.c8 = 'foo'::user_enum)
|
|
Node ID: 1
|
|
Remote SQL: SELECT "C 1", c2, c3, c4, c5, c6, c7, c8 FROM "S 1"."T 1"
|
|
|
|
FDW remote plans:
|
|
Node 1: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT "C 1", c2, c3, c4, c5, c6, c7, c8 FROM "S 1"."T 1"
|
|
Seq Scan on "S 1"."T 1"
|
|
Output: "C 1", c2, c3, c4, c5, c6, c7, c8
|
|
|
|
(11 rows)
|
|
|
|
-- parameterized remote path for foreign table
|
|
EXPLAIN (VERBOSE, COSTS OFF)
|
|
SELECT * FROM "S 1"."T 1" a, ft2 b WHERE a."C 1" = 47 AND b.c1 = a.c2;
|
|
QUERY PLAN
|
|
-------------------------------------------------------------------------------------------------------------
|
|
Nested Loop
|
|
Output: a."C 1", a.c2, a.c3, a.c4, a.c5, a.c6, a.c7, a.c8, b.c1, b.c2, b.c3, b.c4, b.c5, b.c6, b.c7, b.c8
|
|
Join Filter: (a.c2 = b.c1)
|
|
-> Index Scan using t1_pkey on "S 1"."T 1" a
|
|
Output: a."C 1", a.c2, a.c3, a.c4, a.c5, a.c6, a.c7, a.c8
|
|
Index Cond: (a."C 1" = 47)
|
|
-> Foreign Scan on public.ft2 b
|
|
Output: b.c1, b.c2, b.c3, b.c4, b.c5, b.c6, b.c7, b.c8
|
|
Node ID: 1
|
|
Remote SQL: SELECT "C 1", c2, c3, c4, c5, c6, c7, c8 FROM "S 1"."T 1"
|
|
|
|
FDW remote plans:
|
|
Node 1: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT "C 1", c2, c3, c4, c5, c6, c7, c8 FROM "S 1"."T 1"
|
|
Seq Scan on "S 1"."T 1"
|
|
Output: "C 1", c2, c3, c4, c5, c6, c7, c8
|
|
|
|
(16 rows)
|
|
|
|
SELECT * FROM ft2 a, ft2 b WHERE a.c1 = 47 AND b.c1 = a.c2;
|
|
c1 | c2 | c3 | c4 | c5 | c6 | c7 | c8 | c1 | c2 | c3 | c4 | c5 | c6 | c7 | c8
|
|
----+----+-------+------------------------------+--------------------------+----+------------+-----+----+----+-------+------------------------------+--------------------------+----+------------+-----
|
|
47 | 7 | 00047 | Tue Feb 17 00:00:00 1970 PST | Tue Feb 17 00:00:00 1970 | 7 | 7 | foo | 7 | 7 | 00007 | Thu Jan 08 00:00:00 1970 PST | Thu Jan 08 00:00:00 1970 | 7 | 7 | foo
|
|
(1 row)
|
|
|
|
-- check both safe and unsafe join conditions
|
|
EXPLAIN (VERBOSE, COSTS OFF)
|
|
SELECT * FROM ft2 a, ft2 b
|
|
WHERE a.c2 = 6 AND b.c1 = a.c1 AND a.c8 = 'foo' AND b.c7 = upper(a.c7);
|
|
QUERY PLAN
|
|
---------------------------------------------------------------------------------------------------------------------
|
|
Hash Join
|
|
Output: a.c1, a.c2, a.c3, a.c4, a.c5, a.c6, a.c7, a.c8, b.c1, b.c2, b.c3, b.c4, b.c5, b.c6, b.c7, b.c8
|
|
Hash Cond: ((b.c1 = a.c1) AND ((b.c7)::text = upper((a.c7)::text)))
|
|
-> Foreign Scan on public.ft2 b
|
|
Output: b.c1, b.c2, b.c3, b.c4, b.c5, b.c6, b.c7, b.c8
|
|
Node ID: 1
|
|
Remote SQL: SELECT "C 1", c2, c3, c4, c5, c6, c7, c8 FROM "S 1"."T 1"
|
|
-> Hash
|
|
Output: a.c1, a.c2, a.c3, a.c4, a.c5, a.c6, a.c7, a.c8
|
|
-> Foreign Scan on public.ft2 a
|
|
Output: a.c1, a.c2, a.c3, a.c4, a.c5, a.c6, a.c7, a.c8
|
|
Filter: (a.c8 = 'foo'::user_enum)
|
|
Node ID: 2
|
|
Remote SQL: SELECT "C 1", c2, c3, c4, c5, c6, c7, c8 FROM "S 1"."T 1" WHERE ((c2 = 6))
|
|
|
|
FDW remote plans:
|
|
Node 1: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT "C 1", c2, c3, c4, c5, c6, c7, c8 FROM "S 1"."T 1"
|
|
Seq Scan on "S 1"."T 1"
|
|
Output: "C 1", c2, c3, c4, c5, c6, c7, c8
|
|
Node 2: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT "C 1", c2, c3, c4, c5, c6, c7, c8 FROM "S 1"."T 1" WHERE ((c2 = 6))
|
|
Seq Scan on "S 1"."T 1"
|
|
Output: "C 1", c2, c3, c4, c5, c6, c7, c8
|
|
Filter: ("T 1".c2 = 6)
|
|
|
|
(24 rows)
|
|
|
|
SELECT * FROM ft2 a, ft2 b
|
|
WHERE a.c2 = 6 AND b.c1 = a.c1 AND a.c8 = 'foo' AND b.c7 = upper(a.c7);
|
|
c1 | c2 | c3 | c4 | c5 | c6 | c7 | c8 | c1 | c2 | c3 | c4 | c5 | c6 | c7 | c8
|
|
-----+----+-------+------------------------------+--------------------------+----+------------+-----+-----+----+-------+------------------------------+--------------------------+----+------------+-----
|
|
6 | 6 | 00006 | Wed Jan 07 00:00:00 1970 PST | Wed Jan 07 00:00:00 1970 | 6 | 6 | foo | 6 | 6 | 00006 | Wed Jan 07 00:00:00 1970 PST | Wed Jan 07 00:00:00 1970 | 6 | 6 | foo
|
|
16 | 6 | 00016 | Sat Jan 17 00:00:00 1970 PST | Sat Jan 17 00:00:00 1970 | 6 | 6 | foo | 16 | 6 | 00016 | Sat Jan 17 00:00:00 1970 PST | Sat Jan 17 00:00:00 1970 | 6 | 6 | foo
|
|
26 | 6 | 00026 | Tue Jan 27 00:00:00 1970 PST | Tue Jan 27 00:00:00 1970 | 6 | 6 | foo | 26 | 6 | 00026 | Tue Jan 27 00:00:00 1970 PST | Tue Jan 27 00:00:00 1970 | 6 | 6 | foo
|
|
36 | 6 | 00036 | Fri Feb 06 00:00:00 1970 PST | Fri Feb 06 00:00:00 1970 | 6 | 6 | foo | 36 | 6 | 00036 | Fri Feb 06 00:00:00 1970 PST | Fri Feb 06 00:00:00 1970 | 6 | 6 | foo
|
|
46 | 6 | 00046 | Mon Feb 16 00:00:00 1970 PST | Mon Feb 16 00:00:00 1970 | 6 | 6 | foo | 46 | 6 | 00046 | Mon Feb 16 00:00:00 1970 PST | Mon Feb 16 00:00:00 1970 | 6 | 6 | foo
|
|
56 | 6 | 00056 | Thu Feb 26 00:00:00 1970 PST | Thu Feb 26 00:00:00 1970 | 6 | 6 | foo | 56 | 6 | 00056 | Thu Feb 26 00:00:00 1970 PST | Thu Feb 26 00:00:00 1970 | 6 | 6 | foo
|
|
66 | 6 | 00066 | Sun Mar 08 00:00:00 1970 PST | Sun Mar 08 00:00:00 1970 | 6 | 6 | foo | 66 | 6 | 00066 | Sun Mar 08 00:00:00 1970 PST | Sun Mar 08 00:00:00 1970 | 6 | 6 | foo
|
|
76 | 6 | 00076 | Wed Mar 18 00:00:00 1970 PST | Wed Mar 18 00:00:00 1970 | 6 | 6 | foo | 76 | 6 | 00076 | Wed Mar 18 00:00:00 1970 PST | Wed Mar 18 00:00:00 1970 | 6 | 6 | foo
|
|
86 | 6 | 00086 | Sat Mar 28 00:00:00 1970 PST | Sat Mar 28 00:00:00 1970 | 6 | 6 | foo | 86 | 6 | 00086 | Sat Mar 28 00:00:00 1970 PST | Sat Mar 28 00:00:00 1970 | 6 | 6 | foo
|
|
96 | 6 | 00096 | Tue Apr 07 00:00:00 1970 PST | Tue Apr 07 00:00:00 1970 | 6 | 6 | foo | 96 | 6 | 00096 | Tue Apr 07 00:00:00 1970 PST | Tue Apr 07 00:00:00 1970 | 6 | 6 | foo
|
|
106 | 6 | 00106 | Wed Jan 07 00:00:00 1970 PST | Wed Jan 07 00:00:00 1970 | 6 | 6 | foo | 106 | 6 | 00106 | Wed Jan 07 00:00:00 1970 PST | Wed Jan 07 00:00:00 1970 | 6 | 6 | foo
|
|
116 | 6 | 00116 | Sat Jan 17 00:00:00 1970 PST | Sat Jan 17 00:00:00 1970 | 6 | 6 | foo | 116 | 6 | 00116 | Sat Jan 17 00:00:00 1970 PST | Sat Jan 17 00:00:00 1970 | 6 | 6 | foo
|
|
126 | 6 | 00126 | Tue Jan 27 00:00:00 1970 PST | Tue Jan 27 00:00:00 1970 | 6 | 6 | foo | 126 | 6 | 00126 | Tue Jan 27 00:00:00 1970 PST | Tue Jan 27 00:00:00 1970 | 6 | 6 | foo
|
|
136 | 6 | 00136 | Fri Feb 06 00:00:00 1970 PST | Fri Feb 06 00:00:00 1970 | 6 | 6 | foo | 136 | 6 | 00136 | Fri Feb 06 00:00:00 1970 PST | Fri Feb 06 00:00:00 1970 | 6 | 6 | foo
|
|
146 | 6 | 00146 | Mon Feb 16 00:00:00 1970 PST | Mon Feb 16 00:00:00 1970 | 6 | 6 | foo | 146 | 6 | 00146 | Mon Feb 16 00:00:00 1970 PST | Mon Feb 16 00:00:00 1970 | 6 | 6 | foo
|
|
156 | 6 | 00156 | Thu Feb 26 00:00:00 1970 PST | Thu Feb 26 00:00:00 1970 | 6 | 6 | foo | 156 | 6 | 00156 | Thu Feb 26 00:00:00 1970 PST | Thu Feb 26 00:00:00 1970 | 6 | 6 | foo
|
|
166 | 6 | 00166 | Sun Mar 08 00:00:00 1970 PST | Sun Mar 08 00:00:00 1970 | 6 | 6 | foo | 166 | 6 | 00166 | Sun Mar 08 00:00:00 1970 PST | Sun Mar 08 00:00:00 1970 | 6 | 6 | foo
|
|
176 | 6 | 00176 | Wed Mar 18 00:00:00 1970 PST | Wed Mar 18 00:00:00 1970 | 6 | 6 | foo | 176 | 6 | 00176 | Wed Mar 18 00:00:00 1970 PST | Wed Mar 18 00:00:00 1970 | 6 | 6 | foo
|
|
186 | 6 | 00186 | Sat Mar 28 00:00:00 1970 PST | Sat Mar 28 00:00:00 1970 | 6 | 6 | foo | 186 | 6 | 00186 | Sat Mar 28 00:00:00 1970 PST | Sat Mar 28 00:00:00 1970 | 6 | 6 | foo
|
|
196 | 6 | 00196 | Tue Apr 07 00:00:00 1970 PST | Tue Apr 07 00:00:00 1970 | 6 | 6 | foo | 196 | 6 | 00196 | Tue Apr 07 00:00:00 1970 PST | Tue Apr 07 00:00:00 1970 | 6 | 6 | foo
|
|
206 | 6 | 00206 | Wed Jan 07 00:00:00 1970 PST | Wed Jan 07 00:00:00 1970 | 6 | 6 | foo | 206 | 6 | 00206 | Wed Jan 07 00:00:00 1970 PST | Wed Jan 07 00:00:00 1970 | 6 | 6 | foo
|
|
216 | 6 | 00216 | Sat Jan 17 00:00:00 1970 PST | Sat Jan 17 00:00:00 1970 | 6 | 6 | foo | 216 | 6 | 00216 | Sat Jan 17 00:00:00 1970 PST | Sat Jan 17 00:00:00 1970 | 6 | 6 | foo
|
|
226 | 6 | 00226 | Tue Jan 27 00:00:00 1970 PST | Tue Jan 27 00:00:00 1970 | 6 | 6 | foo | 226 | 6 | 00226 | Tue Jan 27 00:00:00 1970 PST | Tue Jan 27 00:00:00 1970 | 6 | 6 | foo
|
|
236 | 6 | 00236 | Fri Feb 06 00:00:00 1970 PST | Fri Feb 06 00:00:00 1970 | 6 | 6 | foo | 236 | 6 | 00236 | Fri Feb 06 00:00:00 1970 PST | Fri Feb 06 00:00:00 1970 | 6 | 6 | foo
|
|
246 | 6 | 00246 | Mon Feb 16 00:00:00 1970 PST | Mon Feb 16 00:00:00 1970 | 6 | 6 | foo | 246 | 6 | 00246 | Mon Feb 16 00:00:00 1970 PST | Mon Feb 16 00:00:00 1970 | 6 | 6 | foo
|
|
256 | 6 | 00256 | Thu Feb 26 00:00:00 1970 PST | Thu Feb 26 00:00:00 1970 | 6 | 6 | foo | 256 | 6 | 00256 | Thu Feb 26 00:00:00 1970 PST | Thu Feb 26 00:00:00 1970 | 6 | 6 | foo
|
|
266 | 6 | 00266 | Sun Mar 08 00:00:00 1970 PST | Sun Mar 08 00:00:00 1970 | 6 | 6 | foo | 266 | 6 | 00266 | Sun Mar 08 00:00:00 1970 PST | Sun Mar 08 00:00:00 1970 | 6 | 6 | foo
|
|
276 | 6 | 00276 | Wed Mar 18 00:00:00 1970 PST | Wed Mar 18 00:00:00 1970 | 6 | 6 | foo | 276 | 6 | 00276 | Wed Mar 18 00:00:00 1970 PST | Wed Mar 18 00:00:00 1970 | 6 | 6 | foo
|
|
286 | 6 | 00286 | Sat Mar 28 00:00:00 1970 PST | Sat Mar 28 00:00:00 1970 | 6 | 6 | foo | 286 | 6 | 00286 | Sat Mar 28 00:00:00 1970 PST | Sat Mar 28 00:00:00 1970 | 6 | 6 | foo
|
|
296 | 6 | 00296 | Tue Apr 07 00:00:00 1970 PST | Tue Apr 07 00:00:00 1970 | 6 | 6 | foo | 296 | 6 | 00296 | Tue Apr 07 00:00:00 1970 PST | Tue Apr 07 00:00:00 1970 | 6 | 6 | foo
|
|
306 | 6 | 00306 | Wed Jan 07 00:00:00 1970 PST | Wed Jan 07 00:00:00 1970 | 6 | 6 | foo | 306 | 6 | 00306 | Wed Jan 07 00:00:00 1970 PST | Wed Jan 07 00:00:00 1970 | 6 | 6 | foo
|
|
316 | 6 | 00316 | Sat Jan 17 00:00:00 1970 PST | Sat Jan 17 00:00:00 1970 | 6 | 6 | foo | 316 | 6 | 00316 | Sat Jan 17 00:00:00 1970 PST | Sat Jan 17 00:00:00 1970 | 6 | 6 | foo
|
|
326 | 6 | 00326 | Tue Jan 27 00:00:00 1970 PST | Tue Jan 27 00:00:00 1970 | 6 | 6 | foo | 326 | 6 | 00326 | Tue Jan 27 00:00:00 1970 PST | Tue Jan 27 00:00:00 1970 | 6 | 6 | foo
|
|
336 | 6 | 00336 | Fri Feb 06 00:00:00 1970 PST | Fri Feb 06 00:00:00 1970 | 6 | 6 | foo | 336 | 6 | 00336 | Fri Feb 06 00:00:00 1970 PST | Fri Feb 06 00:00:00 1970 | 6 | 6 | foo
|
|
346 | 6 | 00346 | Mon Feb 16 00:00:00 1970 PST | Mon Feb 16 00:00:00 1970 | 6 | 6 | foo | 346 | 6 | 00346 | Mon Feb 16 00:00:00 1970 PST | Mon Feb 16 00:00:00 1970 | 6 | 6 | foo
|
|
356 | 6 | 00356 | Thu Feb 26 00:00:00 1970 PST | Thu Feb 26 00:00:00 1970 | 6 | 6 | foo | 356 | 6 | 00356 | Thu Feb 26 00:00:00 1970 PST | Thu Feb 26 00:00:00 1970 | 6 | 6 | foo
|
|
366 | 6 | 00366 | Sun Mar 08 00:00:00 1970 PST | Sun Mar 08 00:00:00 1970 | 6 | 6 | foo | 366 | 6 | 00366 | Sun Mar 08 00:00:00 1970 PST | Sun Mar 08 00:00:00 1970 | 6 | 6 | foo
|
|
376 | 6 | 00376 | Wed Mar 18 00:00:00 1970 PST | Wed Mar 18 00:00:00 1970 | 6 | 6 | foo | 376 | 6 | 00376 | Wed Mar 18 00:00:00 1970 PST | Wed Mar 18 00:00:00 1970 | 6 | 6 | foo
|
|
386 | 6 | 00386 | Sat Mar 28 00:00:00 1970 PST | Sat Mar 28 00:00:00 1970 | 6 | 6 | foo | 386 | 6 | 00386 | Sat Mar 28 00:00:00 1970 PST | Sat Mar 28 00:00:00 1970 | 6 | 6 | foo
|
|
396 | 6 | 00396 | Tue Apr 07 00:00:00 1970 PST | Tue Apr 07 00:00:00 1970 | 6 | 6 | foo | 396 | 6 | 00396 | Tue Apr 07 00:00:00 1970 PST | Tue Apr 07 00:00:00 1970 | 6 | 6 | foo
|
|
406 | 6 | 00406 | Wed Jan 07 00:00:00 1970 PST | Wed Jan 07 00:00:00 1970 | 6 | 6 | foo | 406 | 6 | 00406 | Wed Jan 07 00:00:00 1970 PST | Wed Jan 07 00:00:00 1970 | 6 | 6 | foo
|
|
416 | 6 | 00416 | Sat Jan 17 00:00:00 1970 PST | Sat Jan 17 00:00:00 1970 | 6 | 6 | foo | 416 | 6 | 00416 | Sat Jan 17 00:00:00 1970 PST | Sat Jan 17 00:00:00 1970 | 6 | 6 | foo
|
|
426 | 6 | 00426 | Tue Jan 27 00:00:00 1970 PST | Tue Jan 27 00:00:00 1970 | 6 | 6 | foo | 426 | 6 | 00426 | Tue Jan 27 00:00:00 1970 PST | Tue Jan 27 00:00:00 1970 | 6 | 6 | foo
|
|
436 | 6 | 00436 | Fri Feb 06 00:00:00 1970 PST | Fri Feb 06 00:00:00 1970 | 6 | 6 | foo | 436 | 6 | 00436 | Fri Feb 06 00:00:00 1970 PST | Fri Feb 06 00:00:00 1970 | 6 | 6 | foo
|
|
446 | 6 | 00446 | Mon Feb 16 00:00:00 1970 PST | Mon Feb 16 00:00:00 1970 | 6 | 6 | foo | 446 | 6 | 00446 | Mon Feb 16 00:00:00 1970 PST | Mon Feb 16 00:00:00 1970 | 6 | 6 | foo
|
|
456 | 6 | 00456 | Thu Feb 26 00:00:00 1970 PST | Thu Feb 26 00:00:00 1970 | 6 | 6 | foo | 456 | 6 | 00456 | Thu Feb 26 00:00:00 1970 PST | Thu Feb 26 00:00:00 1970 | 6 | 6 | foo
|
|
466 | 6 | 00466 | Sun Mar 08 00:00:00 1970 PST | Sun Mar 08 00:00:00 1970 | 6 | 6 | foo | 466 | 6 | 00466 | Sun Mar 08 00:00:00 1970 PST | Sun Mar 08 00:00:00 1970 | 6 | 6 | foo
|
|
476 | 6 | 00476 | Wed Mar 18 00:00:00 1970 PST | Wed Mar 18 00:00:00 1970 | 6 | 6 | foo | 476 | 6 | 00476 | Wed Mar 18 00:00:00 1970 PST | Wed Mar 18 00:00:00 1970 | 6 | 6 | foo
|
|
486 | 6 | 00486 | Sat Mar 28 00:00:00 1970 PST | Sat Mar 28 00:00:00 1970 | 6 | 6 | foo | 486 | 6 | 00486 | Sat Mar 28 00:00:00 1970 PST | Sat Mar 28 00:00:00 1970 | 6 | 6 | foo
|
|
496 | 6 | 00496 | Tue Apr 07 00:00:00 1970 PST | Tue Apr 07 00:00:00 1970 | 6 | 6 | foo | 496 | 6 | 00496 | Tue Apr 07 00:00:00 1970 PST | Tue Apr 07 00:00:00 1970 | 6 | 6 | foo
|
|
506 | 6 | 00506 | Wed Jan 07 00:00:00 1970 PST | Wed Jan 07 00:00:00 1970 | 6 | 6 | foo | 506 | 6 | 00506 | Wed Jan 07 00:00:00 1970 PST | Wed Jan 07 00:00:00 1970 | 6 | 6 | foo
|
|
516 | 6 | 00516 | Sat Jan 17 00:00:00 1970 PST | Sat Jan 17 00:00:00 1970 | 6 | 6 | foo | 516 | 6 | 00516 | Sat Jan 17 00:00:00 1970 PST | Sat Jan 17 00:00:00 1970 | 6 | 6 | foo
|
|
526 | 6 | 00526 | Tue Jan 27 00:00:00 1970 PST | Tue Jan 27 00:00:00 1970 | 6 | 6 | foo | 526 | 6 | 00526 | Tue Jan 27 00:00:00 1970 PST | Tue Jan 27 00:00:00 1970 | 6 | 6 | foo
|
|
536 | 6 | 00536 | Fri Feb 06 00:00:00 1970 PST | Fri Feb 06 00:00:00 1970 | 6 | 6 | foo | 536 | 6 | 00536 | Fri Feb 06 00:00:00 1970 PST | Fri Feb 06 00:00:00 1970 | 6 | 6 | foo
|
|
546 | 6 | 00546 | Mon Feb 16 00:00:00 1970 PST | Mon Feb 16 00:00:00 1970 | 6 | 6 | foo | 546 | 6 | 00546 | Mon Feb 16 00:00:00 1970 PST | Mon Feb 16 00:00:00 1970 | 6 | 6 | foo
|
|
556 | 6 | 00556 | Thu Feb 26 00:00:00 1970 PST | Thu Feb 26 00:00:00 1970 | 6 | 6 | foo | 556 | 6 | 00556 | Thu Feb 26 00:00:00 1970 PST | Thu Feb 26 00:00:00 1970 | 6 | 6 | foo
|
|
566 | 6 | 00566 | Sun Mar 08 00:00:00 1970 PST | Sun Mar 08 00:00:00 1970 | 6 | 6 | foo | 566 | 6 | 00566 | Sun Mar 08 00:00:00 1970 PST | Sun Mar 08 00:00:00 1970 | 6 | 6 | foo
|
|
576 | 6 | 00576 | Wed Mar 18 00:00:00 1970 PST | Wed Mar 18 00:00:00 1970 | 6 | 6 | foo | 576 | 6 | 00576 | Wed Mar 18 00:00:00 1970 PST | Wed Mar 18 00:00:00 1970 | 6 | 6 | foo
|
|
586 | 6 | 00586 | Sat Mar 28 00:00:00 1970 PST | Sat Mar 28 00:00:00 1970 | 6 | 6 | foo | 586 | 6 | 00586 | Sat Mar 28 00:00:00 1970 PST | Sat Mar 28 00:00:00 1970 | 6 | 6 | foo
|
|
596 | 6 | 00596 | Tue Apr 07 00:00:00 1970 PST | Tue Apr 07 00:00:00 1970 | 6 | 6 | foo | 596 | 6 | 00596 | Tue Apr 07 00:00:00 1970 PST | Tue Apr 07 00:00:00 1970 | 6 | 6 | foo
|
|
606 | 6 | 00606 | Wed Jan 07 00:00:00 1970 PST | Wed Jan 07 00:00:00 1970 | 6 | 6 | foo | 606 | 6 | 00606 | Wed Jan 07 00:00:00 1970 PST | Wed Jan 07 00:00:00 1970 | 6 | 6 | foo
|
|
616 | 6 | 00616 | Sat Jan 17 00:00:00 1970 PST | Sat Jan 17 00:00:00 1970 | 6 | 6 | foo | 616 | 6 | 00616 | Sat Jan 17 00:00:00 1970 PST | Sat Jan 17 00:00:00 1970 | 6 | 6 | foo
|
|
626 | 6 | 00626 | Tue Jan 27 00:00:00 1970 PST | Tue Jan 27 00:00:00 1970 | 6 | 6 | foo | 626 | 6 | 00626 | Tue Jan 27 00:00:00 1970 PST | Tue Jan 27 00:00:00 1970 | 6 | 6 | foo
|
|
636 | 6 | 00636 | Fri Feb 06 00:00:00 1970 PST | Fri Feb 06 00:00:00 1970 | 6 | 6 | foo | 636 | 6 | 00636 | Fri Feb 06 00:00:00 1970 PST | Fri Feb 06 00:00:00 1970 | 6 | 6 | foo
|
|
646 | 6 | 00646 | Mon Feb 16 00:00:00 1970 PST | Mon Feb 16 00:00:00 1970 | 6 | 6 | foo | 646 | 6 | 00646 | Mon Feb 16 00:00:00 1970 PST | Mon Feb 16 00:00:00 1970 | 6 | 6 | foo
|
|
656 | 6 | 00656 | Thu Feb 26 00:00:00 1970 PST | Thu Feb 26 00:00:00 1970 | 6 | 6 | foo | 656 | 6 | 00656 | Thu Feb 26 00:00:00 1970 PST | Thu Feb 26 00:00:00 1970 | 6 | 6 | foo
|
|
666 | 6 | 00666 | Sun Mar 08 00:00:00 1970 PST | Sun Mar 08 00:00:00 1970 | 6 | 6 | foo | 666 | 6 | 00666 | Sun Mar 08 00:00:00 1970 PST | Sun Mar 08 00:00:00 1970 | 6 | 6 | foo
|
|
676 | 6 | 00676 | Wed Mar 18 00:00:00 1970 PST | Wed Mar 18 00:00:00 1970 | 6 | 6 | foo | 676 | 6 | 00676 | Wed Mar 18 00:00:00 1970 PST | Wed Mar 18 00:00:00 1970 | 6 | 6 | foo
|
|
686 | 6 | 00686 | Sat Mar 28 00:00:00 1970 PST | Sat Mar 28 00:00:00 1970 | 6 | 6 | foo | 686 | 6 | 00686 | Sat Mar 28 00:00:00 1970 PST | Sat Mar 28 00:00:00 1970 | 6 | 6 | foo
|
|
696 | 6 | 00696 | Tue Apr 07 00:00:00 1970 PST | Tue Apr 07 00:00:00 1970 | 6 | 6 | foo | 696 | 6 | 00696 | Tue Apr 07 00:00:00 1970 PST | Tue Apr 07 00:00:00 1970 | 6 | 6 | foo
|
|
706 | 6 | 00706 | Wed Jan 07 00:00:00 1970 PST | Wed Jan 07 00:00:00 1970 | 6 | 6 | foo | 706 | 6 | 00706 | Wed Jan 07 00:00:00 1970 PST | Wed Jan 07 00:00:00 1970 | 6 | 6 | foo
|
|
716 | 6 | 00716 | Sat Jan 17 00:00:00 1970 PST | Sat Jan 17 00:00:00 1970 | 6 | 6 | foo | 716 | 6 | 00716 | Sat Jan 17 00:00:00 1970 PST | Sat Jan 17 00:00:00 1970 | 6 | 6 | foo
|
|
726 | 6 | 00726 | Tue Jan 27 00:00:00 1970 PST | Tue Jan 27 00:00:00 1970 | 6 | 6 | foo | 726 | 6 | 00726 | Tue Jan 27 00:00:00 1970 PST | Tue Jan 27 00:00:00 1970 | 6 | 6 | foo
|
|
736 | 6 | 00736 | Fri Feb 06 00:00:00 1970 PST | Fri Feb 06 00:00:00 1970 | 6 | 6 | foo | 736 | 6 | 00736 | Fri Feb 06 00:00:00 1970 PST | Fri Feb 06 00:00:00 1970 | 6 | 6 | foo
|
|
746 | 6 | 00746 | Mon Feb 16 00:00:00 1970 PST | Mon Feb 16 00:00:00 1970 | 6 | 6 | foo | 746 | 6 | 00746 | Mon Feb 16 00:00:00 1970 PST | Mon Feb 16 00:00:00 1970 | 6 | 6 | foo
|
|
756 | 6 | 00756 | Thu Feb 26 00:00:00 1970 PST | Thu Feb 26 00:00:00 1970 | 6 | 6 | foo | 756 | 6 | 00756 | Thu Feb 26 00:00:00 1970 PST | Thu Feb 26 00:00:00 1970 | 6 | 6 | foo
|
|
766 | 6 | 00766 | Sun Mar 08 00:00:00 1970 PST | Sun Mar 08 00:00:00 1970 | 6 | 6 | foo | 766 | 6 | 00766 | Sun Mar 08 00:00:00 1970 PST | Sun Mar 08 00:00:00 1970 | 6 | 6 | foo
|
|
776 | 6 | 00776 | Wed Mar 18 00:00:00 1970 PST | Wed Mar 18 00:00:00 1970 | 6 | 6 | foo | 776 | 6 | 00776 | Wed Mar 18 00:00:00 1970 PST | Wed Mar 18 00:00:00 1970 | 6 | 6 | foo
|
|
786 | 6 | 00786 | Sat Mar 28 00:00:00 1970 PST | Sat Mar 28 00:00:00 1970 | 6 | 6 | foo | 786 | 6 | 00786 | Sat Mar 28 00:00:00 1970 PST | Sat Mar 28 00:00:00 1970 | 6 | 6 | foo
|
|
796 | 6 | 00796 | Tue Apr 07 00:00:00 1970 PST | Tue Apr 07 00:00:00 1970 | 6 | 6 | foo | 796 | 6 | 00796 | Tue Apr 07 00:00:00 1970 PST | Tue Apr 07 00:00:00 1970 | 6 | 6 | foo
|
|
806 | 6 | 00806 | Wed Jan 07 00:00:00 1970 PST | Wed Jan 07 00:00:00 1970 | 6 | 6 | foo | 806 | 6 | 00806 | Wed Jan 07 00:00:00 1970 PST | Wed Jan 07 00:00:00 1970 | 6 | 6 | foo
|
|
816 | 6 | 00816 | Sat Jan 17 00:00:00 1970 PST | Sat Jan 17 00:00:00 1970 | 6 | 6 | foo | 816 | 6 | 00816 | Sat Jan 17 00:00:00 1970 PST | Sat Jan 17 00:00:00 1970 | 6 | 6 | foo
|
|
826 | 6 | 00826 | Tue Jan 27 00:00:00 1970 PST | Tue Jan 27 00:00:00 1970 | 6 | 6 | foo | 826 | 6 | 00826 | Tue Jan 27 00:00:00 1970 PST | Tue Jan 27 00:00:00 1970 | 6 | 6 | foo
|
|
836 | 6 | 00836 | Fri Feb 06 00:00:00 1970 PST | Fri Feb 06 00:00:00 1970 | 6 | 6 | foo | 836 | 6 | 00836 | Fri Feb 06 00:00:00 1970 PST | Fri Feb 06 00:00:00 1970 | 6 | 6 | foo
|
|
846 | 6 | 00846 | Mon Feb 16 00:00:00 1970 PST | Mon Feb 16 00:00:00 1970 | 6 | 6 | foo | 846 | 6 | 00846 | Mon Feb 16 00:00:00 1970 PST | Mon Feb 16 00:00:00 1970 | 6 | 6 | foo
|
|
856 | 6 | 00856 | Thu Feb 26 00:00:00 1970 PST | Thu Feb 26 00:00:00 1970 | 6 | 6 | foo | 856 | 6 | 00856 | Thu Feb 26 00:00:00 1970 PST | Thu Feb 26 00:00:00 1970 | 6 | 6 | foo
|
|
866 | 6 | 00866 | Sun Mar 08 00:00:00 1970 PST | Sun Mar 08 00:00:00 1970 | 6 | 6 | foo | 866 | 6 | 00866 | Sun Mar 08 00:00:00 1970 PST | Sun Mar 08 00:00:00 1970 | 6 | 6 | foo
|
|
876 | 6 | 00876 | Wed Mar 18 00:00:00 1970 PST | Wed Mar 18 00:00:00 1970 | 6 | 6 | foo | 876 | 6 | 00876 | Wed Mar 18 00:00:00 1970 PST | Wed Mar 18 00:00:00 1970 | 6 | 6 | foo
|
|
886 | 6 | 00886 | Sat Mar 28 00:00:00 1970 PST | Sat Mar 28 00:00:00 1970 | 6 | 6 | foo | 886 | 6 | 00886 | Sat Mar 28 00:00:00 1970 PST | Sat Mar 28 00:00:00 1970 | 6 | 6 | foo
|
|
896 | 6 | 00896 | Tue Apr 07 00:00:00 1970 PST | Tue Apr 07 00:00:00 1970 | 6 | 6 | foo | 896 | 6 | 00896 | Tue Apr 07 00:00:00 1970 PST | Tue Apr 07 00:00:00 1970 | 6 | 6 | foo
|
|
906 | 6 | 00906 | Wed Jan 07 00:00:00 1970 PST | Wed Jan 07 00:00:00 1970 | 6 | 6 | foo | 906 | 6 | 00906 | Wed Jan 07 00:00:00 1970 PST | Wed Jan 07 00:00:00 1970 | 6 | 6 | foo
|
|
916 | 6 | 00916 | Sat Jan 17 00:00:00 1970 PST | Sat Jan 17 00:00:00 1970 | 6 | 6 | foo | 916 | 6 | 00916 | Sat Jan 17 00:00:00 1970 PST | Sat Jan 17 00:00:00 1970 | 6 | 6 | foo
|
|
926 | 6 | 00926 | Tue Jan 27 00:00:00 1970 PST | Tue Jan 27 00:00:00 1970 | 6 | 6 | foo | 926 | 6 | 00926 | Tue Jan 27 00:00:00 1970 PST | Tue Jan 27 00:00:00 1970 | 6 | 6 | foo
|
|
936 | 6 | 00936 | Fri Feb 06 00:00:00 1970 PST | Fri Feb 06 00:00:00 1970 | 6 | 6 | foo | 936 | 6 | 00936 | Fri Feb 06 00:00:00 1970 PST | Fri Feb 06 00:00:00 1970 | 6 | 6 | foo
|
|
946 | 6 | 00946 | Mon Feb 16 00:00:00 1970 PST | Mon Feb 16 00:00:00 1970 | 6 | 6 | foo | 946 | 6 | 00946 | Mon Feb 16 00:00:00 1970 PST | Mon Feb 16 00:00:00 1970 | 6 | 6 | foo
|
|
956 | 6 | 00956 | Thu Feb 26 00:00:00 1970 PST | Thu Feb 26 00:00:00 1970 | 6 | 6 | foo | 956 | 6 | 00956 | Thu Feb 26 00:00:00 1970 PST | Thu Feb 26 00:00:00 1970 | 6 | 6 | foo
|
|
966 | 6 | 00966 | Sun Mar 08 00:00:00 1970 PST | Sun Mar 08 00:00:00 1970 | 6 | 6 | foo | 966 | 6 | 00966 | Sun Mar 08 00:00:00 1970 PST | Sun Mar 08 00:00:00 1970 | 6 | 6 | foo
|
|
976 | 6 | 00976 | Wed Mar 18 00:00:00 1970 PST | Wed Mar 18 00:00:00 1970 | 6 | 6 | foo | 976 | 6 | 00976 | Wed Mar 18 00:00:00 1970 PST | Wed Mar 18 00:00:00 1970 | 6 | 6 | foo
|
|
986 | 6 | 00986 | Sat Mar 28 00:00:00 1970 PST | Sat Mar 28 00:00:00 1970 | 6 | 6 | foo | 986 | 6 | 00986 | Sat Mar 28 00:00:00 1970 PST | Sat Mar 28 00:00:00 1970 | 6 | 6 | foo
|
|
996 | 6 | 00996 | Tue Apr 07 00:00:00 1970 PST | Tue Apr 07 00:00:00 1970 | 6 | 6 | foo | 996 | 6 | 00996 | Tue Apr 07 00:00:00 1970 PST | Tue Apr 07 00:00:00 1970 | 6 | 6 | foo
|
|
(100 rows)
|
|
|
|
-- bug before 9.3.5 due to sloppy handling of remote-estimate parameters
|
|
SELECT * FROM ft1 WHERE c1 = ANY (ARRAY(SELECT c1 FROM ft2 WHERE c1 < 5));
|
|
c1 | c2 | c3 | c4 | c5 | c6 | c7 | c8
|
|
----+----+-------+------------------------------+--------------------------+----+------------+-----
|
|
1 | 1 | 00001 | Fri Jan 02 00:00:00 1970 PST | Fri Jan 02 00:00:00 1970 | 1 | 1 | foo
|
|
2 | 2 | 00002 | Sat Jan 03 00:00:00 1970 PST | Sat Jan 03 00:00:00 1970 | 2 | 2 | foo
|
|
3 | 3 | 00003 | Sun Jan 04 00:00:00 1970 PST | Sun Jan 04 00:00:00 1970 | 3 | 3 | foo
|
|
4 | 4 | 00004 | Mon Jan 05 00:00:00 1970 PST | Mon Jan 05 00:00:00 1970 | 4 | 4 | foo
|
|
(4 rows)
|
|
|
|
SELECT * FROM ft2 WHERE c1 = ANY (ARRAY(SELECT c1 FROM ft1 WHERE c1 < 5));
|
|
c1 | c2 | c3 | c4 | c5 | c6 | c7 | c8
|
|
----+----+-------+------------------------------+--------------------------+----+------------+-----
|
|
1 | 1 | 00001 | Fri Jan 02 00:00:00 1970 PST | Fri Jan 02 00:00:00 1970 | 1 | 1 | foo
|
|
2 | 2 | 00002 | Sat Jan 03 00:00:00 1970 PST | Sat Jan 03 00:00:00 1970 | 2 | 2 | foo
|
|
3 | 3 | 00003 | Sun Jan 04 00:00:00 1970 PST | Sun Jan 04 00:00:00 1970 | 3 | 3 | foo
|
|
4 | 4 | 00004 | Mon Jan 05 00:00:00 1970 PST | Mon Jan 05 00:00:00 1970 | 4 | 4 | foo
|
|
(4 rows)
|
|
|
|
-- we should not push order by clause with volatile expressions or unsafe
|
|
-- collations
|
|
EXPLAIN (VERBOSE, COSTS OFF)
|
|
SELECT * FROM ft2 ORDER BY ft2.c1, random();
|
|
QUERY PLAN
|
|
----------------------------------------------------------------------------------------------------
|
|
Sort
|
|
Output: c1, c2, c3, c4, c5, c6, c7, c8, (random())
|
|
Sort Key: ft2.c1, (random())
|
|
-> Foreign Scan on public.ft2
|
|
Output: c1, c2, c3, c4, c5, c6, c7, c8, random()
|
|
Node ID: 1
|
|
Remote SQL: SELECT "C 1", c2, c3, c4, c5, c6, c7, c8 FROM "S 1"."T 1"
|
|
|
|
FDW remote plans:
|
|
Node 1: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT "C 1", c2, c3, c4, c5, c6, c7, c8 FROM "S 1"."T 1"
|
|
Seq Scan on "S 1"."T 1"
|
|
Output: "C 1", c2, c3, c4, c5, c6, c7, c8
|
|
|
|
(13 rows)
|
|
|
|
EXPLAIN (VERBOSE, COSTS OFF)
|
|
SELECT * FROM ft2 ORDER BY ft2.c1, ft2.c3 collate "C";
|
|
QUERY PLAN
|
|
----------------------------------------------------------------------------------------------------
|
|
Sort
|
|
Output: c1, c2, c3, c4, c5, c6, c7, c8, ((c3)::text)
|
|
Sort Key: ft2.c1, ft2.c3 COLLATE "C"
|
|
-> Foreign Scan on public.ft2
|
|
Output: c1, c2, c3, c4, c5, c6, c7, c8, (c3)::text
|
|
Node ID: 1
|
|
Remote SQL: SELECT "C 1", c2, c3, c4, c5, c6, c7, c8 FROM "S 1"."T 1"
|
|
|
|
FDW remote plans:
|
|
Node 1: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT "C 1", c2, c3, c4, c5, c6, c7, c8 FROM "S 1"."T 1"
|
|
Seq Scan on "S 1"."T 1"
|
|
Output: "C 1", c2, c3, c4, c5, c6, c7, c8
|
|
|
|
(13 rows)
|
|
|
|
-- user-defined operator/function
|
|
CREATE FUNCTION postgres_fdw_abs(int) RETURNS int AS $$
|
|
BEGIN
|
|
RETURN abs($1);
|
|
END
|
|
$$ LANGUAGE plpgsql IMMUTABLE;
|
|
CREATE OPERATOR === (
|
|
LEFTARG = int,
|
|
RIGHTARG = int,
|
|
PROCEDURE = int4eq,
|
|
COMMUTATOR = ===
|
|
);
|
|
-- built-in operators and functions can be shipped for remote execution
|
|
EXPLAIN (VERBOSE, COSTS OFF)
|
|
SELECT count(c3) FROM ft1 t1 WHERE t1.c1 = abs(t1.c2);
|
|
QUERY PLAN
|
|
------------------------------------------------------------------------------------------------------
|
|
Foreign Scan
|
|
Output: (count(c3))
|
|
Node ID: 1
|
|
Relations: Aggregate on (public.ft1 t1)
|
|
Remote SQL: SELECT count(c3) FROM "S 1"."T 1" WHERE (("C 1" = abs(c2)))
|
|
|
|
FDW remote plans:
|
|
Node 1: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT count(c3) FROM "S 1"."T 1" WHERE (("C 1" = abs(c2)))
|
|
Aggregate
|
|
Output: count(c3)
|
|
-> Seq Scan on "S 1"."T 1"
|
|
Output: "C 1", c2, c3, c4, c5, c6, c7, c8
|
|
Filter: ("T 1"."C 1" = abs("T 1".c2))
|
|
|
|
(14 rows)
|
|
|
|
SELECT count(c3) FROM ft1 t1 WHERE t1.c1 = abs(t1.c2);
|
|
count
|
|
-------
|
|
9
|
|
(1 row)
|
|
|
|
EXPLAIN (VERBOSE, COSTS OFF)
|
|
SELECT count(c3) FROM ft1 t1 WHERE t1.c1 = t1.c2;
|
|
QUERY PLAN
|
|
-------------------------------------------------------------------------------------------------
|
|
Foreign Scan
|
|
Output: (count(c3))
|
|
Node ID: 1
|
|
Relations: Aggregate on (public.ft1 t1)
|
|
Remote SQL: SELECT count(c3) FROM "S 1"."T 1" WHERE (("C 1" = c2))
|
|
|
|
FDW remote plans:
|
|
Node 1: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT count(c3) FROM "S 1"."T 1" WHERE (("C 1" = c2))
|
|
Aggregate
|
|
Output: count(c3)
|
|
-> Seq Scan on "S 1"."T 1"
|
|
Output: "C 1", c2, c3, c4, c5, c6, c7, c8
|
|
Filter: ("T 1"."C 1" = "T 1".c2)
|
|
|
|
(14 rows)
|
|
|
|
SELECT count(c3) FROM ft1 t1 WHERE t1.c1 = t1.c2;
|
|
count
|
|
-------
|
|
9
|
|
(1 row)
|
|
|
|
-- by default, user-defined ones cannot
|
|
EXPLAIN (VERBOSE, COSTS OFF)
|
|
SELECT count(c3) FROM ft1 t1 WHERE t1.c1 = postgres_fdw_abs(t1.c2);
|
|
QUERY PLAN
|
|
--------------------------------------------------------------------------------
|
|
Aggregate
|
|
Output: count(c3)
|
|
-> Foreign Scan on public.ft1 t1
|
|
Output: c3, c1, c2
|
|
Filter: (t1.c1 = postgres_fdw_abs(t1.c2))
|
|
Node ID: 1
|
|
Remote SQL: SELECT "C 1", c2, c3 FROM "S 1"."T 1"
|
|
|
|
FDW remote plans:
|
|
Node 1: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT "C 1", c2, c3 FROM "S 1"."T 1"
|
|
Seq Scan on "S 1"."T 1"
|
|
Output: "C 1", c2, c3
|
|
|
|
(13 rows)
|
|
|
|
SELECT count(c3) FROM ft1 t1 WHERE t1.c1 = postgres_fdw_abs(t1.c2);
|
|
count
|
|
-------
|
|
9
|
|
(1 row)
|
|
|
|
EXPLAIN (VERBOSE, COSTS OFF)
|
|
SELECT count(c3) FROM ft1 t1 WHERE t1.c1 === t1.c2;
|
|
QUERY PLAN
|
|
--------------------------------------------------------------------------------
|
|
Aggregate
|
|
Output: count(c3)
|
|
-> Foreign Scan on public.ft1 t1
|
|
Output: c3
|
|
Filter: (t1.c1 === t1.c2)
|
|
Node ID: 1
|
|
Remote SQL: SELECT "C 1", c2, c3 FROM "S 1"."T 1"
|
|
|
|
FDW remote plans:
|
|
Node 1: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT "C 1", c2, c3 FROM "S 1"."T 1"
|
|
Seq Scan on "S 1"."T 1"
|
|
Output: "C 1", c2, c3
|
|
|
|
(13 rows)
|
|
|
|
SELECT count(c3) FROM ft1 t1 WHERE t1.c1 === t1.c2;
|
|
count
|
|
-------
|
|
9
|
|
(1 row)
|
|
|
|
-- ORDER BY can be shipped, though
|
|
EXPLAIN (VERBOSE, COSTS OFF)
|
|
SELECT * FROM ft1 t1 WHERE t1.c1 === t1.c2 order by t1.c2 limit 1;
|
|
QUERY PLAN
|
|
-------------------------------------------------------------------------------------------------------------------------------
|
|
Limit
|
|
Output: c1, c2, c3, c4, c5, c6, c7, c8
|
|
-> Foreign Scan on public.ft1 t1
|
|
Output: c1, c2, c3, c4, c5, c6, c7, c8
|
|
Filter: (t1.c1 === t1.c2)
|
|
Node ID: 1
|
|
Remote SQL: SELECT "C 1", c2, c3, c4, c5, c6, c7, c8 FROM "S 1"."T 1" ORDER BY c2 ASC NULLS LAST
|
|
|
|
FDW remote plans:
|
|
Node 1: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT "C 1", c2, c3, c4, c5, c6, c7, c8 FROM "S 1"."T 1" ORDER BY c2 ASC NULLS LAST
|
|
Sort
|
|
Output: "C 1", c2, c3, c4, c5, c6, c7, c8
|
|
Sort Key: "T 1".c2
|
|
-> Seq Scan on "S 1"."T 1"
|
|
Output: "C 1", c2, c3, c4, c5, c6, c7, c8
|
|
|
|
(16 rows)
|
|
|
|
SELECT * FROM ft1 t1 WHERE t1.c1 === t1.c2 order by t1.c2 limit 1;
|
|
c1 | c2 | c3 | c4 | c5 | c6 | c7 | c8
|
|
----+----+-------+------------------------------+--------------------------+----+------------+-----
|
|
1 | 1 | 00001 | Fri Jan 02 00:00:00 1970 PST | Fri Jan 02 00:00:00 1970 | 1 | 1 | foo
|
|
(1 row)
|
|
|
|
-- but let's put them in an extension ...
|
|
ALTER EXTENSION postgres_fdw ADD FUNCTION postgres_fdw_abs(int);
|
|
ALTER EXTENSION postgres_fdw ADD OPERATOR === (int, int);
|
|
ALTER SERVER loopback OPTIONS (ADD extensions 'postgres_fdw'); --nspt
|
|
ERROR: invalid option "extensions"
|
|
HINT: Valid options in this context are: service, connect_timeout, dbname, host, remote_nodename, hostaddr, port, localhost, localport, application_name, fencedUdfRPCMode, keepalives, keepalives_idle, keepalives_interval, keepalives_count, tcp_user_timeout, rw_timeout, sslmode, sslcompression, sslcert, sslkey, sslrootcert, sslcrl, requirepeer, krbsrvname, prototype, connection_info, connectionExtraInfo, target_session_attrs, use_remote_estimate, fdw_startup_cost, fdw_tuple_cost, updatable
|
|
-- ... now they can be shipped
|
|
EXPLAIN (VERBOSE, COSTS OFF)
|
|
SELECT count(c3) FROM ft1 t1 WHERE t1.c1 = postgres_fdw_abs(t1.c2);
|
|
QUERY PLAN
|
|
--------------------------------------------------------------------------------
|
|
Aggregate
|
|
Output: count(c3)
|
|
-> Foreign Scan on public.ft1 t1
|
|
Output: c3, c1, c2
|
|
Filter: (t1.c1 = postgres_fdw_abs(t1.c2))
|
|
Node ID: 1
|
|
Remote SQL: SELECT "C 1", c2, c3 FROM "S 1"."T 1"
|
|
|
|
FDW remote plans:
|
|
Node 1: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT "C 1", c2, c3 FROM "S 1"."T 1"
|
|
Seq Scan on "S 1"."T 1"
|
|
Output: "C 1", c2, c3
|
|
|
|
(13 rows)
|
|
|
|
SELECT count(c3) FROM ft1 t1 WHERE t1.c1 = postgres_fdw_abs(t1.c2);
|
|
count
|
|
-------
|
|
9
|
|
(1 row)
|
|
|
|
EXPLAIN (VERBOSE, COSTS OFF)
|
|
SELECT count(c3) FROM ft1 t1 WHERE t1.c1 === t1.c2;
|
|
QUERY PLAN
|
|
--------------------------------------------------------------------------------
|
|
Aggregate
|
|
Output: count(c3)
|
|
-> Foreign Scan on public.ft1 t1
|
|
Output: c3
|
|
Filter: (t1.c1 === t1.c2)
|
|
Node ID: 1
|
|
Remote SQL: SELECT "C 1", c2, c3 FROM "S 1"."T 1"
|
|
|
|
FDW remote plans:
|
|
Node 1: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT "C 1", c2, c3 FROM "S 1"."T 1"
|
|
Seq Scan on "S 1"."T 1"
|
|
Output: "C 1", c2, c3
|
|
|
|
(13 rows)
|
|
|
|
SELECT count(c3) FROM ft1 t1 WHERE t1.c1 === t1.c2;
|
|
count
|
|
-------
|
|
9
|
|
(1 row)
|
|
|
|
-- and both ORDER BY and LIMIT can be shipped
|
|
EXPLAIN (VERBOSE, COSTS OFF)
|
|
SELECT * FROM ft1 t1 WHERE t1.c1 === t1.c2 order by t1.c2 limit 1;
|
|
QUERY PLAN
|
|
-------------------------------------------------------------------------------------------------------------------------------
|
|
Limit
|
|
Output: c1, c2, c3, c4, c5, c6, c7, c8
|
|
-> Foreign Scan on public.ft1 t1
|
|
Output: c1, c2, c3, c4, c5, c6, c7, c8
|
|
Filter: (t1.c1 === t1.c2)
|
|
Node ID: 1
|
|
Remote SQL: SELECT "C 1", c2, c3, c4, c5, c6, c7, c8 FROM "S 1"."T 1" ORDER BY c2 ASC NULLS LAST
|
|
|
|
FDW remote plans:
|
|
Node 1: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT "C 1", c2, c3, c4, c5, c6, c7, c8 FROM "S 1"."T 1" ORDER BY c2 ASC NULLS LAST
|
|
Sort
|
|
Output: "C 1", c2, c3, c4, c5, c6, c7, c8
|
|
Sort Key: "T 1".c2
|
|
-> Seq Scan on "S 1"."T 1"
|
|
Output: "C 1", c2, c3, c4, c5, c6, c7, c8
|
|
|
|
(16 rows)
|
|
|
|
SELECT * FROM ft1 t1 WHERE t1.c1 === t1.c2 order by t1.c2 limit 1;
|
|
c1 | c2 | c3 | c4 | c5 | c6 | c7 | c8
|
|
----+----+-------+------------------------------+--------------------------+----+------------+-----
|
|
1 | 1 | 00001 | Fri Jan 02 00:00:00 1970 PST | Fri Jan 02 00:00:00 1970 | 1 | 1 | foo
|
|
(1 row)
|
|
|
|
-- case when expr
|
|
explain (verbose, costs off) select * from ft1 where case c1 when 1 then 0 end = 0;
|
|
QUERY PLAN
|
|
--------------------------------------------------------------------------------------------------------------------------------------------------------------------
|
|
Foreign Scan on public.ft1
|
|
Output: c1, c2, c3, c4, c5, c6, c7, c8
|
|
Node ID: 1
|
|
Remote SQL: SELECT "C 1", c2, c3, c4, c5, c6, c7, c8 FROM "S 1"."T 1" WHERE (((CASE "C 1" WHEN 1 THEN 0 ELSE NULL::integer END) = 0))
|
|
|
|
FDW remote plans:
|
|
Node 1: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT "C 1", c2, c3, c4, c5, c6, c7, c8 FROM "S 1"."T 1" WHERE (((CASE "C 1" WHEN 1 THEN 0 ELSE NULL::integer END) = 0))
|
|
Seq Scan on "S 1"."T 1"
|
|
Output: "C 1", c2, c3, c4, c5, c6, c7, c8
|
|
Filter: (CASE "T 1"."C 1" WHEN 1 THEN 0 ELSE NULL::integer END = 0)
|
|
|
|
(11 rows)
|
|
|
|
select * from ft1 where case c1 when 1 then 0 end = 0;
|
|
c1 | c2 | c3 | c4 | c5 | c6 | c7 | c8
|
|
----+----+-------+------------------------------+--------------------------+----+------------+-----
|
|
1 | 1 | 00001 | Fri Jan 02 00:00:00 1970 PST | Fri Jan 02 00:00:00 1970 | 1 | 1 | foo
|
|
(1 row)
|
|
|
|
-- ======================================================================================================================================
|
|
-- TEST-MODULE: JOIN queries
|
|
-- --------------------------------------
|
|
-- ======================================================================================================================================
|
|
-- Analyze ft4 and ft5 so that we have better statistics. These tables do not
|
|
-- have use_remote_estimate set.
|
|
ANALYZE ft4;
|
|
ANALYZE ft5;
|
|
-- join two tables
|
|
EXPLAIN (VERBOSE, COSTS OFF)
|
|
SELECT t1.c1, t2.c1 FROM ft1 t1 JOIN ft2 t2 ON (t1.c1 = t2.c1) ORDER BY t1.c3, t1.c1 OFFSET 100 LIMIT 10;
|
|
QUERY PLAN
|
|
---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
|
|
Foreign Scan
|
|
Output: t1.c1, t2.c1, t1.c3
|
|
Node ID: 1
|
|
Relations: (public.ft1 t1) INNER JOIN (public.ft2 t2)
|
|
Remote SQL: SELECT r1."C 1", r2."C 1", r1.c3 FROM ("S 1"."T 1" r1 INNER JOIN "S 1"."T 1" r2 ON (((r1."C 1" = r2."C 1")))) ORDER BY r1.c3 ASC NULLS LAST, r1."C 1" ASC NULLS LAST LIMIT 10::bigint OFFSET 100::bigint
|
|
|
|
FDW remote plans:
|
|
Node 1: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT r1."C 1", r2."C 1", r1.c3 FROM ("S 1"."T 1" r1 INNER JOIN "S 1"."T 1" r2 ON (((r1."C 1" = r2."C 1")))) ORDER BY r1.c3 ASC NULLS LAST, r1."C 1" ASC NULLS LAST LIMIT 10::bigint OFFSET 100::bigint
|
|
Limit
|
|
Output: r1."C 1", r2."C 1", r1.c3
|
|
-> Sort
|
|
Output: r1."C 1", r2."C 1", r1.c3
|
|
Sort Key: r1.c3, r1."C 1"
|
|
-> Hash Join
|
|
Output: r1."C 1", r2."C 1", r1.c3
|
|
Hash Cond: (r1."C 1" = r2."C 1")
|
|
-> Seq Scan on "S 1"."T 1" r1
|
|
Output: r1."C 1", r1.c2, r1.c3, r1.c4, r1.c5, r1.c6, r1.c7, r1.c8
|
|
-> Hash
|
|
Output: r2."C 1"
|
|
-> Seq Scan on "S 1"."T 1" r2
|
|
Output: r2."C 1"
|
|
|
|
(23 rows)
|
|
|
|
SELECT t1.c1, t2.c1 FROM ft1 t1 JOIN ft2 t2 ON (t1.c1 = t2.c1) ORDER BY t1.c3, t1.c1 OFFSET 100 LIMIT 10;
|
|
c1 | c1
|
|
-----+-----
|
|
101 | 101
|
|
102 | 102
|
|
103 | 103
|
|
104 | 104
|
|
105 | 105
|
|
106 | 106
|
|
107 | 107
|
|
108 | 108
|
|
109 | 109
|
|
110 | 110
|
|
(10 rows)
|
|
|
|
-- join three tables
|
|
EXPLAIN (VERBOSE, COSTS OFF)
|
|
SELECT t1.c1, t2.c2, t3.c3 FROM ft1 t1 JOIN ft2 t2 ON (t1.c1 = t2.c1) JOIN ft4 t3 ON (t3.c1 = t1.c1) ORDER BY t1.c3, t1.c1 OFFSET 10 LIMIT 10;
|
|
QUERY PLAN
|
|
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
|
|
Foreign Scan
|
|
Output: t1.c1, t2.c2, t3.c3, t1.c3
|
|
Node ID: 1
|
|
Relations: ((public.ft1 t1) INNER JOIN (public.ft2 t2)) INNER JOIN (public.ft4 t3)
|
|
Remote SQL: SELECT r1."C 1", r2.c2, r4.c3, r1.c3 FROM (("S 1"."T 1" r1 INNER JOIN "S 1"."T 1" r2 ON (((r1."C 1" = r2."C 1")))) INNER JOIN "S 1"."T 3" r4 ON (((r1."C 1" = r4.c1)))) ORDER BY r1.c3 ASC NULLS LAST, r1."C 1" ASC NULLS LAST LIMIT 10::bigint OFFSET 10::bigint
|
|
|
|
FDW remote plans:
|
|
Node 1: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT r1."C 1", r2.c2, r4.c3, r1.c3 FROM (("S 1"."T 1" r1 INNER JOIN "S 1"."T 1" r2 ON (((r1."C 1" = r2."C 1")))) INNER JOIN "S 1"."T 3" r4 ON (((r1."C 1" = r4.c1)))) ORDER BY r1.c3 ASC NULLS LAST, r1."C 1" ASC NULLS LAST LIMIT 10::bigint OFFSET 10::bigint
|
|
Limit
|
|
Output: r1."C 1", r2.c2, r4.c3, r1.c3
|
|
-> Sort
|
|
Output: r1."C 1", r2.c2, r4.c3, r1.c3
|
|
Sort Key: r1.c3, r1."C 1"
|
|
-> Merge Join
|
|
Output: r1."C 1", r2.c2, r4.c3, r1.c3
|
|
Merge Cond: (r1."C 1" = r4.c1)
|
|
-> Merge Join
|
|
Output: r1."C 1", r1.c3, r2.c2, r2."C 1"
|
|
Merge Cond: (r1."C 1" = r2."C 1")
|
|
-> Index Scan using t1_pkey on "S 1"."T 1" r1
|
|
Output: r1."C 1", r1.c2, r1.c3, r1.c4, r1.c5, r1.c6, r1.c7, r1.c8
|
|
-> Index Scan using t1_pkey on "S 1"."T 1" r2
|
|
Output: r2."C 1", r2.c2, r2.c3, r2.c4, r2.c5, r2.c6, r2.c7, r2.c8
|
|
-> Sort
|
|
Output: r4.c3, r4.c1
|
|
Sort Key: r4.c1
|
|
-> Seq Scan on "S 1"."T 3" r4
|
|
Output: r4.c3, r4.c1
|
|
|
|
(29 rows)
|
|
|
|
SELECT t1.c1, t2.c2, t3.c3 FROM ft1 t1 JOIN ft2 t2 ON (t1.c1 = t2.c1) JOIN ft4 t3 ON (t3.c1 = t1.c1) ORDER BY t1.c3, t1.c1 OFFSET 10 LIMIT 10;
|
|
c1 | c2 | c3
|
|
----+----+--------
|
|
22 | 2 | AAA022
|
|
24 | 4 | AAA024
|
|
26 | 6 | AAA026
|
|
28 | 8 | AAA028
|
|
30 | 0 | AAA030
|
|
32 | 2 | AAA032
|
|
34 | 4 | AAA034
|
|
36 | 6 | AAA036
|
|
38 | 8 | AAA038
|
|
40 | 0 | AAA040
|
|
(10 rows)
|
|
|
|
-- left outer join
|
|
EXPLAIN (VERBOSE, COSTS OFF)
|
|
SELECT t1.c1, t2.c1 FROM ft4 t1 LEFT JOIN ft5 t2 ON (t1.c1 = t2.c1) ORDER BY t1.c1, t2.c1 OFFSET 10 LIMIT 10;
|
|
QUERY PLAN
|
|
---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
|
|
Foreign Scan
|
|
Output: t1.c1, t2.c1
|
|
Node ID: 1
|
|
Relations: (public.ft4 t1) LEFT JOIN (public.ft5 t2)
|
|
Remote SQL: SELECT r1.c1, r2.c1 FROM ("S 1"."T 3" r1 LEFT JOIN "S 1"."T 4" r2 ON (((r1.c1 = r2.c1)))) ORDER BY r1.c1 ASC NULLS LAST, r2.c1 ASC NULLS LAST LIMIT 10::bigint OFFSET 10::bigint
|
|
|
|
FDW remote plans:
|
|
Node 1: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT r1.c1, r2.c1 FROM ("S 1"."T 3" r1 LEFT JOIN "S 1"."T 4" r2 ON (((r1.c1 = r2.c1)))) ORDER BY r1.c1 ASC NULLS LAST, r2.c1 ASC NULLS LAST LIMIT 10::bigint OFFSET 10::bigint
|
|
Limit
|
|
Output: r1.c1, r2.c1
|
|
-> Sort
|
|
Output: r1.c1, r2.c1
|
|
Sort Key: r1.c1, r2.c1
|
|
-> Hash Left Join
|
|
Output: r1.c1, r2.c1
|
|
Hash Cond: (r1.c1 = r2.c1)
|
|
-> Seq Scan on "S 1"."T 3" r1
|
|
Output: r1.c1, r1.c2, r1.c3
|
|
-> Hash
|
|
Output: r2.c1
|
|
-> Seq Scan on "S 1"."T 4" r2
|
|
Output: r2.c1
|
|
|
|
(23 rows)
|
|
|
|
SELECT t1.c1, t2.c1 FROM ft4 t1 LEFT JOIN ft5 t2 ON (t1.c1 = t2.c1) ORDER BY t1.c1, t2.c1 OFFSET 10 LIMIT 10;
|
|
c1 | c1
|
|
----+----
|
|
22 |
|
|
24 | 24
|
|
26 |
|
|
28 |
|
|
30 | 30
|
|
32 |
|
|
34 |
|
|
36 | 36
|
|
38 |
|
|
40 |
|
|
(10 rows)
|
|
|
|
-- left outer join three tables
|
|
EXPLAIN (VERBOSE, COSTS OFF)
|
|
SELECT t1.c1, t2.c2, t3.c3 FROM ft2 t1 LEFT JOIN ft2 t2 ON (t1.c1 = t2.c1) LEFT JOIN ft4 t3 ON (t2.c1 = t3.c1) OFFSET 10 LIMIT 10;
|
|
QUERY PLAN
|
|
--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
|
|
Foreign Scan
|
|
Output: t1.c1, t2.c2, t3.c3
|
|
Node ID: 1
|
|
Relations: ((public.ft2 t1) LEFT JOIN (public.ft2 t2)) LEFT JOIN (public.ft4 t3)
|
|
Remote SQL: SELECT r1."C 1", r2.c2, r4.c3 FROM (("S 1"."T 1" r1 LEFT JOIN "S 1"."T 1" r2 ON (((r1."C 1" = r2."C 1")))) LEFT JOIN "S 1"."T 3" r4 ON (((r2."C 1" = r4.c1)))) LIMIT 10::bigint OFFSET 10::bigint
|
|
|
|
FDW remote plans:
|
|
Node 1: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT r1."C 1", r2.c2, r4.c3 FROM (("S 1"."T 1" r1 LEFT JOIN "S 1"."T 1" r2 ON (((r1."C 1" = r2."C 1")))) LEFT JOIN "S 1"."T 3" r4 ON (((r2."C 1" = r4.c1)))) LIMIT 10::bigint OFFSET 10::bigint
|
|
Limit
|
|
Output: r1."C 1", r2.c2, r4.c3
|
|
-> Merge Right Join
|
|
Output: r1."C 1", r2.c2, r4.c3
|
|
Merge Cond: (r2."C 1" = r1."C 1")
|
|
-> Merge Left Join
|
|
Output: r2.c2, r2."C 1", r4.c3
|
|
Merge Cond: (r2."C 1" = r4.c1)
|
|
-> Index Scan using t1_pkey on "S 1"."T 1" r2
|
|
Output: r2."C 1", r2.c2, r2.c3, r2.c4, r2.c5, r2.c6, r2.c7, r2.c8
|
|
-> Index Scan using t3_pkey on "S 1"."T 3" r4
|
|
Output: r4.c1, r4.c2, r4.c3
|
|
-> Index Only Scan using t1_pkey on "S 1"."T 1" r1
|
|
Output: r1."C 1"
|
|
|
|
(23 rows)
|
|
|
|
SELECT t1.c1, t2.c2, t3.c3 FROM ft2 t1 LEFT JOIN ft2 t2 ON (t1.c1 = t2.c1) LEFT JOIN ft4 t3 ON (t2.c1 = t3.c1) OFFSET 10 LIMIT 10;
|
|
c1 | c2 | c3
|
|
----+----+--------
|
|
11 | 1 |
|
|
12 | 2 | AAA012
|
|
13 | 3 |
|
|
14 | 4 | AAA014
|
|
15 | 5 |
|
|
16 | 6 | AAA016
|
|
17 | 7 |
|
|
18 | 8 | AAA018
|
|
19 | 9 |
|
|
20 | 0 | AAA020
|
|
(10 rows)
|
|
|
|
-- left outer join + placement of clauses.
|
|
-- clauses within the nullable side are not pulled up, but top level clause on
|
|
-- non-nullable side is pushed into non-nullable side
|
|
EXPLAIN (VERBOSE, COSTS OFF)
|
|
SELECT t1.c1, t1.c2, t2.c1, t2.c2 FROM ft4 t1 LEFT JOIN (SELECT * FROM ft5 WHERE c1 < 10) t2 ON (t1.c1 = t2.c1) WHERE t1.c1 < 10;
|
|
QUERY PLAN
|
|
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
|
|
Foreign Scan
|
|
Output: t1.c1, t1.c2, ft5.c1, ft5.c2
|
|
Node ID: 1
|
|
Relations: (public.ft4 t1) LEFT JOIN (public.ft5)
|
|
Remote SQL: SELECT r1.c1, r1.c2, r4.c1, r4.c2 FROM ("S 1"."T 3" r1 LEFT JOIN "S 1"."T 4" r4 ON (((r1.c1 = r4.c1)) AND ((r4.c1 < 10)))) WHERE ((r1.c1 < 10))
|
|
|
|
FDW remote plans:
|
|
Node 1: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT r1.c1, r1.c2, r4.c1, r4.c2 FROM ("S 1"."T 3" r1 LEFT JOIN "S 1"."T 4" r4 ON (((r1.c1 = r4.c1)) AND ((r4.c1 < 10)))) WHERE ((r1.c1 < 10))
|
|
Hash Left Join
|
|
Output: r1.c1, r1.c2, r4.c1, r4.c2
|
|
Hash Cond: (r1.c1 = r4.c1)
|
|
-> Seq Scan on "S 1"."T 3" r1
|
|
Output: r1.c1, r1.c2, r1.c3
|
|
Filter: (r1.c1 < 10)
|
|
-> Hash
|
|
Output: r4.c1, r4.c2
|
|
-> Seq Scan on "S 1"."T 4" r4
|
|
Output: r4.c1, r4.c2
|
|
Filter: (r4.c1 < 10)
|
|
|
|
(20 rows)
|
|
|
|
SELECT t1.c1, t1.c2, t2.c1, t2.c2 FROM ft4 t1 LEFT JOIN (SELECT * FROM ft5 WHERE c1 < 10) t2 ON (t1.c1 = t2.c1) WHERE t1.c1 < 10;
|
|
c1 | c2 | c1 | c2
|
|
----+----+----+----
|
|
2 | 3 | |
|
|
4 | 5 | |
|
|
6 | 7 | 6 | 7
|
|
8 | 9 | |
|
|
(4 rows)
|
|
|
|
-- clauses within the nullable side are not pulled up, but the top level clause
|
|
-- on nullable side is not pushed down into nullable side
|
|
EXPLAIN (VERBOSE, COSTS OFF)
|
|
SELECT t1.c1, t1.c2, t2.c1, t2.c2 FROM ft4 t1 LEFT JOIN (SELECT * FROM ft5 WHERE c1 < 10) t2 ON (t1.c1 = t2.c1)
|
|
WHERE (t2.c1 < 10 OR t2.c1 IS NULL) AND t1.c1 < 10;
|
|
QUERY PLAN
|
|
----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
|
|
Foreign Scan
|
|
Output: t1.c1, t1.c2, ft5.c1, ft5.c2
|
|
Node ID: 1
|
|
Relations: (public.ft4 t1) LEFT JOIN (public.ft5)
|
|
Remote SQL: SELECT r1.c1, r1.c2, r4.c1, r4.c2 FROM ("S 1"."T 3" r1 LEFT JOIN "S 1"."T 4" r4 ON (((r1.c1 = r4.c1)) AND ((r4.c1 < 10)))) WHERE (((r4.c1 < 10) OR (r4.c1 IS NULL))) AND ((r1.c1 < 10))
|
|
|
|
FDW remote plans:
|
|
Node 1: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT r1.c1, r1.c2, r4.c1, r4.c2 FROM ("S 1"."T 3" r1 LEFT JOIN "S 1"."T 4" r4 ON (((r1.c1 = r4.c1)) AND ((r4.c1 < 10)))) WHERE (((r4.c1 < 10) OR (r4.c1 IS NULL))) AND ((r1.c1 < 10))
|
|
Hash Left Join
|
|
Output: r1.c1, r1.c2, r4.c1, r4.c2
|
|
Hash Cond: (r1.c1 = r4.c1)
|
|
Filter: ((r4.c1 < 10) OR (r4.c1 IS NULL))
|
|
-> Seq Scan on "S 1"."T 3" r1
|
|
Output: r1.c1, r1.c2, r1.c3
|
|
Filter: (r1.c1 < 10)
|
|
-> Hash
|
|
Output: r4.c1, r4.c2
|
|
-> Seq Scan on "S 1"."T 4" r4
|
|
Output: r4.c1, r4.c2
|
|
Filter: (r4.c1 < 10)
|
|
|
|
(21 rows)
|
|
|
|
SELECT t1.c1, t1.c2, t2.c1, t2.c2 FROM ft4 t1 LEFT JOIN (SELECT * FROM ft5 WHERE c1 < 10) t2 ON (t1.c1 = t2.c1)
|
|
WHERE (t2.c1 < 10 OR t2.c1 IS NULL) AND t1.c1 < 10;
|
|
c1 | c2 | c1 | c2
|
|
----+----+----+----
|
|
2 | 3 | |
|
|
4 | 5 | |
|
|
6 | 7 | 6 | 7
|
|
8 | 9 | |
|
|
(4 rows)
|
|
|
|
-- right outer join
|
|
EXPLAIN (VERBOSE, COSTS OFF)
|
|
SELECT t1.c1, t2.c1 FROM ft5 t1 RIGHT JOIN ft4 t2 ON (t1.c1 = t2.c1) ORDER BY t2.c1, t1.c1 OFFSET 10 LIMIT 10;
|
|
QUERY PLAN
|
|
---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
|
|
Foreign Scan
|
|
Output: t1.c1, t2.c1
|
|
Node ID: 1
|
|
Relations: (public.ft4 t2) LEFT JOIN (public.ft5 t1)
|
|
Remote SQL: SELECT r1.c1, r2.c1 FROM ("S 1"."T 3" r2 LEFT JOIN "S 1"."T 4" r1 ON (((r1.c1 = r2.c1)))) ORDER BY r2.c1 ASC NULLS LAST, r1.c1 ASC NULLS LAST LIMIT 10::bigint OFFSET 10::bigint
|
|
|
|
FDW remote plans:
|
|
Node 1: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT r1.c1, r2.c1 FROM ("S 1"."T 3" r2 LEFT JOIN "S 1"."T 4" r1 ON (((r1.c1 = r2.c1)))) ORDER BY r2.c1 ASC NULLS LAST, r1.c1 ASC NULLS LAST LIMIT 10::bigint OFFSET 10::bigint
|
|
Limit
|
|
Output: r1.c1, r2.c1
|
|
-> Sort
|
|
Output: r1.c1, r2.c1
|
|
Sort Key: r2.c1, r1.c1
|
|
-> Hash Left Join
|
|
Output: r1.c1, r2.c1
|
|
Hash Cond: (r2.c1 = r1.c1)
|
|
-> Seq Scan on "S 1"."T 3" r2
|
|
Output: r2.c1, r2.c2, r2.c3
|
|
-> Hash
|
|
Output: r1.c1
|
|
-> Seq Scan on "S 1"."T 4" r1
|
|
Output: r1.c1
|
|
|
|
(23 rows)
|
|
|
|
SELECT t1.c1, t2.c1 FROM ft5 t1 RIGHT JOIN ft4 t2 ON (t1.c1 = t2.c1) ORDER BY t2.c1, t1.c1 OFFSET 10 LIMIT 10;
|
|
c1 | c1
|
|
----+----
|
|
| 22
|
|
24 | 24
|
|
| 26
|
|
| 28
|
|
30 | 30
|
|
| 32
|
|
| 34
|
|
36 | 36
|
|
| 38
|
|
| 40
|
|
(10 rows)
|
|
|
|
-- right outer join three tables
|
|
EXPLAIN (VERBOSE, COSTS OFF)
|
|
SELECT t1.c1, t2.c2, t3.c3 FROM ft2 t1 RIGHT JOIN ft2 t2 ON (t1.c1 = t2.c1) RIGHT JOIN ft4 t3 ON (t2.c1 = t3.c1) OFFSET 10 LIMIT 10;
|
|
QUERY PLAN
|
|
--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
|
|
Foreign Scan
|
|
Output: t1.c1, t2.c2, t3.c3
|
|
Node ID: 1
|
|
Relations: ((public.ft4 t3) LEFT JOIN (public.ft2 t2)) LEFT JOIN (public.ft2 t1)
|
|
Remote SQL: SELECT r1."C 1", r2.c2, r4.c3 FROM (("S 1"."T 3" r4 LEFT JOIN "S 1"."T 1" r2 ON (((r2."C 1" = r4.c1)))) LEFT JOIN "S 1"."T 1" r1 ON (((r1."C 1" = r2."C 1")))) LIMIT 10::bigint OFFSET 10::bigint
|
|
|
|
FDW remote plans:
|
|
Node 1: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT r1."C 1", r2.c2, r4.c3 FROM (("S 1"."T 3" r4 LEFT JOIN "S 1"."T 1" r2 ON (((r2."C 1" = r4.c1)))) LEFT JOIN "S 1"."T 1" r1 ON (((r1."C 1" = r2."C 1")))) LIMIT 10::bigint OFFSET 10::bigint
|
|
Limit
|
|
Output: r1."C 1", r2.c2, r4.c3
|
|
-> Merge Right Join
|
|
Output: r1."C 1", r2.c2, r4.c3
|
|
Merge Cond: (r2."C 1" = r4.c1)
|
|
-> Merge Left Join
|
|
Output: r2.c2, r2."C 1", r1."C 1"
|
|
Merge Cond: (r2."C 1" = r1."C 1")
|
|
-> Index Scan using t1_pkey on "S 1"."T 1" r2
|
|
Output: r2."C 1", r2.c2, r2.c3, r2.c4, r2.c5, r2.c6, r2.c7, r2.c8
|
|
-> Index Only Scan using t1_pkey on "S 1"."T 1" r1
|
|
Output: r1."C 1"
|
|
-> Sort
|
|
Output: r4.c3, r4.c1
|
|
Sort Key: r4.c1
|
|
-> Seq Scan on "S 1"."T 3" r4
|
|
Output: r4.c3, r4.c1
|
|
|
|
(26 rows)
|
|
|
|
SELECT t1.c1, t2.c2, t3.c3 FROM ft2 t1 RIGHT JOIN ft2 t2 ON (t1.c1 = t2.c1) RIGHT JOIN ft4 t3 ON (t2.c1 = t3.c1) OFFSET 10 LIMIT 10;
|
|
c1 | c2 | c3
|
|
----+----+--------
|
|
22 | 2 | AAA022
|
|
24 | 4 | AAA024
|
|
26 | 6 | AAA026
|
|
28 | 8 | AAA028
|
|
30 | 0 | AAA030
|
|
32 | 2 | AAA032
|
|
34 | 4 | AAA034
|
|
36 | 6 | AAA036
|
|
38 | 8 | AAA038
|
|
40 | 0 | AAA040
|
|
(10 rows)
|
|
|
|
-- full outer join
|
|
EXPLAIN (VERBOSE, COSTS OFF)
|
|
SELECT t1.c1, t2.c1 FROM ft4 t1 FULL JOIN ft5 t2 ON (t1.c1 = t2.c1) ORDER BY t1.c1, t2.c1 OFFSET 45 LIMIT 10;
|
|
QUERY PLAN
|
|
---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
|
|
Foreign Scan
|
|
Output: t1.c1, t2.c1
|
|
Node ID: 1
|
|
Relations: (public.ft4 t1) FULL JOIN (public.ft5 t2)
|
|
Remote SQL: SELECT r1.c1, r2.c1 FROM ("S 1"."T 3" r1 FULL JOIN "S 1"."T 4" r2 ON (((r1.c1 = r2.c1)))) ORDER BY r1.c1 ASC NULLS LAST, r2.c1 ASC NULLS LAST LIMIT 10::bigint OFFSET 45::bigint
|
|
|
|
FDW remote plans:
|
|
Node 1: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT r1.c1, r2.c1 FROM ("S 1"."T 3" r1 FULL JOIN "S 1"."T 4" r2 ON (((r1.c1 = r2.c1)))) ORDER BY r1.c1 ASC NULLS LAST, r2.c1 ASC NULLS LAST LIMIT 10::bigint OFFSET 45::bigint
|
|
Limit
|
|
Output: r1.c1, r2.c1
|
|
-> Sort
|
|
Output: r1.c1, r2.c1
|
|
Sort Key: r1.c1, r2.c1
|
|
-> Hash Full Join
|
|
Output: r1.c1, r2.c1
|
|
Hash Cond: (r1.c1 = r2.c1)
|
|
-> Seq Scan on "S 1"."T 3" r1
|
|
Output: r1.c1, r1.c2, r1.c3
|
|
-> Hash
|
|
Output: r2.c1
|
|
-> Seq Scan on "S 1"."T 4" r2
|
|
Output: r2.c1
|
|
|
|
(23 rows)
|
|
|
|
SELECT t1.c1, t2.c1 FROM ft4 t1 FULL JOIN ft5 t2 ON (t1.c1 = t2.c1) ORDER BY t1.c1, t2.c1 OFFSET 45 LIMIT 10;
|
|
c1 | c1
|
|
-----+----
|
|
92 |
|
|
94 |
|
|
96 | 96
|
|
98 |
|
|
100 |
|
|
| 3
|
|
| 9
|
|
| 15
|
|
| 21
|
|
| 27
|
|
(10 rows)
|
|
|
|
-- full outer join with restrictions on the joining relations
|
|
-- a. the joining relations are both base relations
|
|
EXPLAIN (VERBOSE, COSTS OFF)
|
|
SELECT t1.c1, t2.c1 FROM (SELECT c1 FROM ft4 WHERE c1 between 50 and 60) t1 FULL JOIN (SELECT c1 FROM ft5 WHERE c1 between 50 and 60) t2 ON (t1.c1 = t2.c1) ORDER BY t1.c1, t2.c1;
|
|
QUERY PLAN
|
|
----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
|
|
Foreign Scan
|
|
Output: ft4.c1, ft5.c1
|
|
Node ID: 1
|
|
Relations: (public.ft4) FULL JOIN (public.ft5)
|
|
Remote SQL: SELECT s4.c1, s5.c1 FROM ((SELECT c1 FROM "S 1"."T 3" WHERE ((c1 >= 50)) AND ((c1 <= 60))) s4(c1) FULL JOIN (SELECT c1 FROM "S 1"."T 4" WHERE ((c1 >= 50)) AND ((c1 <= 60))) s5(c1) ON (((s4.c1 = s5.c1)))) ORDER BY s4.c1 ASC NULLS LAST, s5.c1 ASC NULLS LAST
|
|
|
|
FDW remote plans:
|
|
Node 1: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT s4.c1, s5.c1 FROM ((SELECT c1 FROM "S 1"."T 3" WHERE ((c1 >= 50)) AND ((c1 <= 60))) s4(c1) FULL JOIN (SELECT c1 FROM "S 1"."T 4" WHERE ((c1 >= 50)) AND ((c1 <= 60))) s5(c1) ON (((s4.c1 = s5.c1)))) ORDER BY s4.c1 ASC NULLS LAST, s5.c1 ASC NULLS LAST
|
|
Sort
|
|
Output: "T 3".c1, "T 4".c1
|
|
Sort Key: "T 3".c1, "T 4".c1
|
|
-> Hash Full Join
|
|
Output: "T 3".c1, "T 4".c1
|
|
Hash Cond: ("T 3".c1 = "T 4".c1)
|
|
-> Seq Scan on "S 1"."T 3"
|
|
Output: "T 3".c1, "T 3".c2, "T 3".c3
|
|
Filter: (("T 3".c1 >= 50) AND ("T 3".c1 <= 60))
|
|
-> Hash
|
|
Output: "T 4".c1
|
|
-> Seq Scan on "S 1"."T 4"
|
|
Output: "T 4".c1
|
|
Filter: (("T 4".c1 >= 50) AND ("T 4".c1 <= 60))
|
|
|
|
(23 rows)
|
|
|
|
SELECT t1.c1, t2.c1 FROM (SELECT c1 FROM ft4 WHERE c1 between 50 and 60) t1 FULL JOIN (SELECT c1 FROM ft5 WHERE c1 between 50 and 60) t2 ON (t1.c1 = t2.c1) ORDER BY t1.c1, t2.c1;
|
|
c1 | c1
|
|
----+----
|
|
50 |
|
|
52 |
|
|
54 | 54
|
|
56 |
|
|
58 |
|
|
60 | 60
|
|
| 51
|
|
| 57
|
|
(8 rows)
|
|
|
|
EXPLAIN (VERBOSE, COSTS OFF)
|
|
SELECT 1 FROM (SELECT c1 FROM ft4 WHERE c1 between 50 and 60) t1 FULL JOIN (SELECT c1 FROM ft5 WHERE c1 between 50 and 60) t2 ON (TRUE) OFFSET 10 LIMIT 10;
|
|
QUERY PLAN
|
|
----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
|
|
Foreign Scan
|
|
Output: 1
|
|
Node ID: 1
|
|
Relations: (public.ft4) FULL JOIN (public.ft5)
|
|
Remote SQL: SELECT NULL FROM ((SELECT NULL FROM "S 1"."T 3" WHERE ((c1 >= 50)) AND ((c1 <= 60))) s4 FULL JOIN (SELECT NULL FROM "S 1"."T 4" WHERE ((c1 >= 50)) AND ((c1 <= 60))) s5 ON (TRUE)) LIMIT 10::bigint OFFSET 10::bigint
|
|
|
|
FDW remote plans:
|
|
Node 1: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT NULL FROM ((SELECT NULL FROM "S 1"."T 3" WHERE ((c1 >= 50)) AND ((c1 <= 60))) s4 FULL JOIN (SELECT NULL FROM "S 1"."T 4" WHERE ((c1 >= 50)) AND ((c1 <= 60))) s5 ON (TRUE)) LIMIT 10::bigint OFFSET 10::bigint
|
|
Limit
|
|
Output: (NULL::text)
|
|
-> Subquery Scan on subquery
|
|
Output: NULL::text
|
|
-> Result
|
|
Output: (NULL::text), (NULL::text)
|
|
-> Append
|
|
-> Nested Loop Left Join
|
|
Output: (NULL::text), (NULL::text)
|
|
-> Seq Scan on "S 1"."T 3"
|
|
Output: NULL::text
|
|
Filter: (("S 1"."T 3".c1 >= 50) AND ("S 1"."T 3".c1 <= 60))
|
|
-> Materialize
|
|
Output: (NULL::text)
|
|
-> Seq Scan on "S 1"."T 4"
|
|
Output: NULL::text
|
|
Filter: (("S 1"."T 4".c1 >= 50) AND ("S 1"."T 4".c1 <= 60))
|
|
-> Nested Loop Left Anti Full Join
|
|
Output: (NULL::text), (NULL::text)
|
|
-> Seq Scan on "S 1"."T 4"
|
|
Output: NULL::text
|
|
Filter: (("S 1"."T 4".c1 >= 50) AND ("S 1"."T 4".c1 <= 60))
|
|
-> Materialize
|
|
Output: (NULL::text)
|
|
-> Seq Scan on "S 1"."T 3"
|
|
Output: NULL::text
|
|
Filter: (("S 1"."T 3".c1 >= 50) AND ("S 1"."T 3".c1 <= 60))
|
|
|
|
(36 rows)
|
|
|
|
SELECT 1 FROM (SELECT c1 FROM ft4 WHERE c1 between 50 and 60) t1 FULL JOIN (SELECT c1 FROM ft5 WHERE c1 between 50 and 60) t2 ON (TRUE) OFFSET 10 LIMIT 10;
|
|
?column?
|
|
----------
|
|
1
|
|
1
|
|
1
|
|
1
|
|
1
|
|
1
|
|
1
|
|
1
|
|
1
|
|
1
|
|
(10 rows)
|
|
|
|
EXPLAIN (VERBOSE, COSTS OFF)
|
|
SELECT count(*) FROM (SELECT c1 FROM ft4 WHERE c1 between 50 and 60) t1 FULL JOIN (SELECT c1 FROM ft5 WHERE c1 between 50 and 60) t2 ON (TRUE) OFFSET 10 LIMIT 2;
|
|
QUERY PLAN
|
|
-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
|
|
Limit
|
|
Output: (count(*))
|
|
-> Aggregate
|
|
Output: count(*)
|
|
-> Foreign Scan
|
|
Node ID: 1
|
|
Relations: (public.ft4) FULL JOIN (public.ft5)
|
|
Remote SQL: SELECT NULL FROM ((SELECT NULL FROM "S 1"."T 3" WHERE ((c1 >= 50)) AND ((c1 <= 60))) s4 FULL JOIN (SELECT NULL FROM "S 1"."T 4" WHERE ((c1 >= 50)) AND ((c1 <= 60))) s5 ON (TRUE))
|
|
|
|
FDW remote plans:
|
|
Node 1: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT NULL FROM ((SELECT NULL FROM "S 1"."T 3" WHERE ((c1 >= 50)) AND ((c1 <= 60))) s4 FULL JOIN (SELECT NULL FROM "S 1"."T 4" WHERE ((c1 >= 50)) AND ((c1 <= 60))) s5 ON (TRUE))
|
|
Subquery Scan on subquery
|
|
Output: NULL::text
|
|
-> Result
|
|
Output: (NULL::text), (NULL::text)
|
|
-> Append
|
|
-> Nested Loop Left Join
|
|
Output: (NULL::text), (NULL::text)
|
|
-> Seq Scan on "S 1"."T 3"
|
|
Output: NULL::text
|
|
Filter: (("S 1"."T 3".c1 >= 50) AND ("S 1"."T 3".c1 <= 60))
|
|
-> Materialize
|
|
Output: (NULL::text)
|
|
-> Seq Scan on "S 1"."T 4"
|
|
Output: NULL::text
|
|
Filter: (("S 1"."T 4".c1 >= 50) AND ("S 1"."T 4".c1 <= 60))
|
|
-> Nested Loop Left Anti Full Join
|
|
Output: (NULL::text), (NULL::text)
|
|
-> Seq Scan on "S 1"."T 4"
|
|
Output: NULL::text
|
|
Filter: (("S 1"."T 4".c1 >= 50) AND ("S 1"."T 4".c1 <= 60))
|
|
-> Materialize
|
|
Output: (NULL::text)
|
|
-> Seq Scan on "S 1"."T 3"
|
|
Output: NULL::text
|
|
Filter: (("S 1"."T 3".c1 >= 50) AND ("S 1"."T 3".c1 <= 60))
|
|
|
|
(37 rows)
|
|
|
|
SELECT count(*) FROM (SELECT c1 FROM ft4 WHERE c1 between 50 and 60) t1 FULL JOIN (SELECT c1 FROM ft5 WHERE c1 between 50 and 60) t2 ON (TRUE) OFFSET 10 LIMIT 2;
|
|
count
|
|
-------
|
|
(0 rows)
|
|
|
|
-- b. one of the joining relations is a base relation and the other is a join
|
|
-- relation
|
|
EXPLAIN (VERBOSE, COSTS OFF)
|
|
SELECT t1.c1, ss.a, ss.b FROM (SELECT c1 FROM ft4 WHERE c1 between 50 and 60) t1 FULL JOIN (SELECT t2.c1, t3.c1 FROM ft4 t2 LEFT JOIN ft5 t3 ON (t2.c1 = t3.c1) WHERE (t2.c1 between 50 and 60)) ss(a, b) ON (t1.c1 = ss.a) ORDER BY t1.c1, ss.a, ss.b;
|
|
QUERY PLAN
|
|
--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
|
|
Sort
|
|
Output: ft4.c1, t2.c1, t3.c1
|
|
Sort Key: ft4.c1, t2.c1, t3.c1
|
|
-> Foreign Scan
|
|
Output: ft4.c1, t2.c1, t3.c1
|
|
Node ID: 1
|
|
Relations: (public.ft4) FULL JOIN ((public.ft4 t2) LEFT JOIN (public.ft5 t3))
|
|
Remote SQL: SELECT s4.c1, s8.c1, s8.c2 FROM ((SELECT c1 FROM "S 1"."T 3" WHERE ((c1 >= 50)) AND ((c1 <= 60))) s4(c1) FULL JOIN (SELECT r5.c1, r6.c1 FROM ("S 1"."T 3" r5 LEFT JOIN "S 1"."T 4" r6 ON (((r5.c1 = r6.c1)))) WHERE ((r5.c1 >= 50)) AND ((r5.c1 <= 60))) s8(c1, c2) ON (((s4.c1 = s8.c1))))
|
|
|
|
FDW remote plans:
|
|
Node 1: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT s4.c1, s8.c1, s8.c2 FROM ((SELECT c1 FROM "S 1"."T 3" WHERE ((c1 >= 50)) AND ((c1 <= 60))) s4(c1) FULL JOIN (SELECT r5.c1, r6.c1 FROM ("S 1"."T 3" r5 LEFT JOIN "S 1"."T 4" r6 ON (((r5.c1 = r6.c1)))) WHERE ((r5.c1 >= 50)) AND ((r5.c1 <= 60))) s8(c1, c2) ON (((s4.c1 = s8.c1))))
|
|
Hash Full Join
|
|
Output: "T 3".c1, r5.c1, r6.c1
|
|
Hash Cond: ("T 3".c1 = r5.c1)
|
|
-> Seq Scan on "S 1"."T 3"
|
|
Output: "T 3".c1, "T 3".c2, "T 3".c3
|
|
Filter: (("T 3".c1 >= 50) AND ("T 3".c1 <= 60))
|
|
-> Hash
|
|
Output: r5.c1, r6.c1
|
|
-> Hash Right Join
|
|
Output: r5.c1, r6.c1
|
|
Hash Cond: (r6.c1 = r5.c1)
|
|
-> Seq Scan on "S 1"."T 4" r6
|
|
Output: r6.c1, r6.c2, r6.c3
|
|
-> Hash
|
|
Output: r5.c1
|
|
-> Seq Scan on "S 1"."T 3" r5
|
|
Output: r5.c1
|
|
Filter: ((r5.c1 >= 50) AND (r5.c1 <= 60))
|
|
|
|
(30 rows)
|
|
|
|
SELECT t1.c1, ss.a, ss.b FROM (SELECT c1 FROM ft4 WHERE c1 between 50 and 60) t1 FULL JOIN (SELECT t2.c1, t3.c1 FROM ft4 t2 LEFT JOIN ft5 t3 ON (t2.c1 = t3.c1) WHERE (t2.c1 between 50 and 60)) ss(a, b) ON (t1.c1 = ss.a) ORDER BY t1.c1, ss.a, ss.b;
|
|
c1 | a | b
|
|
----+----+----
|
|
50 | 50 |
|
|
52 | 52 |
|
|
54 | 54 | 54
|
|
56 | 56 |
|
|
58 | 58 |
|
|
60 | 60 | 60
|
|
(6 rows)
|
|
|
|
-- c. test deparsing the remote query as nested subqueries
|
|
EXPLAIN (VERBOSE, COSTS OFF)
|
|
SELECT t1.c1, ss.a, ss.b FROM (SELECT c1 FROM ft4 WHERE c1 between 50 and 60) t1 FULL JOIN (SELECT t2.c1, t3.c1 FROM (SELECT c1 FROM ft4 WHERE c1 between 50 and 60) t2 FULL JOIN (SELECT c1 FROM ft5 WHERE c1 between 50 and 60) t3 ON (t2.c1 = t3.c1) WHERE t2.c1 IS NULL OR t2.c1 IS NOT NULL) ss(a, b) ON (t1.c1 = ss.a) ORDER BY t1.c1, ss.a, ss.b;
|
|
QUERY PLAN
|
|
-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
|
|
Foreign Scan
|
|
Output: public.ft4.c1, public.ft4.c1, ft5.c1
|
|
Node ID: 1
|
|
Relations: (public.ft4) FULL JOIN ((public.ft4) FULL JOIN (public.ft5))
|
|
Remote SQL: SELECT s4.c1, s10.c1, s10.c2 FROM ((SELECT c1 FROM "S 1"."T 3" WHERE ((c1 >= 50)) AND ((c1 <= 60))) s4(c1) FULL JOIN (SELECT s8.c1, s9.c1 FROM ((SELECT c1 FROM "S 1"."T 3" WHERE ((c1 >= 50)) AND ((c1 <= 60))) s8(c1) FULL JOIN (SELECT c1 FROM "S 1"."T 4" WHERE ((c1 >= 50)) AND ((c1 <= 60))) s9(c1) ON (((s8.c1 = s9.c1)))) WHERE (((s8.c1 IS NULL) OR (s8.c1 IS NOT NULL)))) s10(c1, c2) ON (((s4.c1 = s10.c1)))) ORDER BY s4.c1 ASC NULLS LAST, s10.c1 ASC NULLS LAST, s10.c2 ASC NULLS LAST
|
|
|
|
FDW remote plans:
|
|
Node 1: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT s4.c1, s10.c1, s10.c2 FROM ((SELECT c1 FROM "S 1"."T 3" WHERE ((c1 >= 50)) AND ((c1 <= 60))) s4(c1) FULL JOIN (SELECT s8.c1, s9.c1 FROM ((SELECT c1 FROM "S 1"."T 3" WHERE ((c1 >= 50)) AND ((c1 <= 60))) s8(c1) FULL JOIN (SELECT c1 FROM "S 1"."T 4" WHERE ((c1 >= 50)) AND ((c1 <= 60))) s9(c1) ON (((s8.c1 = s9.c1)))) WHERE (((s8.c1 IS NULL) OR (s8.c1 IS NOT NULL)))) s10(c1, c2) ON (((s4.c1 = s10.c1)))) ORDER BY s4.c1 ASC NULLS LAST, s10.c1 ASC NULLS LAST, s10.c2 ASC NULLS LAST
|
|
Sort
|
|
Output: "S 1"."T 3".c1, "S 1"."T 3".c1, "T 4".c1
|
|
Sort Key: "S 1"."T 3".c1, "S 1"."T 3".c1, "T 4".c1
|
|
-> Hash Full Join
|
|
Output: "S 1"."T 3".c1, "S 1"."T 3".c1, "T 4".c1
|
|
Hash Cond: ("S 1"."T 3".c1 = "S 1"."T 3".c1)
|
|
-> Hash Full Join
|
|
Output: "S 1"."T 3".c1, "T 4".c1
|
|
Hash Cond: ("S 1"."T 3".c1 = "T 4".c1)
|
|
Filter: (("S 1"."T 3".c1 IS NULL) OR ("S 1"."T 3".c1 IS NOT NULL))
|
|
-> Seq Scan on "S 1"."T 3"
|
|
Output: "S 1"."T 3".c1, "S 1"."T 3".c2, "S 1"."T 3".c3
|
|
Filter: (("S 1"."T 3".c1 >= 50) AND ("S 1"."T 3".c1 <= 60))
|
|
-> Hash
|
|
Output: "T 4".c1
|
|
-> Seq Scan on "S 1"."T 4"
|
|
Output: "T 4".c1
|
|
Filter: (("T 4".c1 >= 50) AND ("T 4".c1 <= 60))
|
|
-> Hash
|
|
Output: "S 1"."T 3".c1
|
|
-> Seq Scan on "S 1"."T 3"
|
|
Output: "S 1"."T 3".c1
|
|
Filter: (("S 1"."T 3".c1 >= 50) AND ("S 1"."T 3".c1 <= 60))
|
|
|
|
(32 rows)
|
|
|
|
SELECT t1.c1, ss.a, ss.b FROM (SELECT c1 FROM ft4 WHERE c1 between 50 and 60) t1 FULL JOIN (SELECT t2.c1, t3.c1 FROM (SELECT c1 FROM ft4 WHERE c1 between 50 and 60) t2 FULL JOIN (SELECT c1 FROM ft5 WHERE c1 between 50 and 60) t3 ON (t2.c1 = t3.c1) WHERE t2.c1 IS NULL OR t2.c1 IS NOT NULL) ss(a, b) ON (t1.c1 = ss.a) ORDER BY t1.c1, ss.a, ss.b;
|
|
c1 | a | b
|
|
----+----+----
|
|
50 | 50 |
|
|
52 | 52 |
|
|
54 | 54 | 54
|
|
56 | 56 |
|
|
58 | 58 |
|
|
60 | 60 | 60
|
|
| | 51
|
|
| | 57
|
|
(8 rows)
|
|
|
|
-- d. test deparsing rowmarked relations as subqueries
|
|
EXPLAIN (VERBOSE, COSTS OFF)
|
|
SELECT t1.c1, ss.a, ss.b FROM (SELECT c1 FROM "S 1"."T 3" WHERE c1 = 50) t1 INNER JOIN (SELECT t2.c1, t3.c1 FROM (SELECT c1 FROM ft4 WHERE c1 between 50 and 60) t2 FULL JOIN (SELECT c1 FROM ft5 WHERE c1 between 50 and 60) t3 ON (t2.c1 = t3.c1) WHERE t2.c1 IS NULL OR t2.c1 IS NOT NULL) ss(a, b) ON (TRUE) ORDER BY t1.c1, ss.a, ss.b FOR UPDATE OF t1;
|
|
QUERY PLAN
|
|
--------------------------------------------------------------------------------------------------------------------
|
|
Sort
|
|
Output: "T 3".c1, ft4.c1, ft5.c1, "T 3".ctid, ft4.*, ft5.*
|
|
Sort Key: ft4.c1, ft5.c1
|
|
-> LockRows
|
|
Output: "T 3".c1, ft4.c1, ft5.c1, "T 3".ctid, ft4.*, ft5.*
|
|
-> Nested Loop
|
|
Output: "T 3".c1, ft4.c1, ft5.c1, "T 3".ctid, ft4.*, ft5.*
|
|
-> Index Scan using t3_pkey on "S 1"."T 3"
|
|
Output: "T 3".c1, "T 3".ctid
|
|
Index Cond: ("T 3".c1 = 50)
|
|
-> Hash Full Join
|
|
Output: ft4.c1, ft4.*, ft5.c1, ft5.*
|
|
Hash Cond: (ft4.c1 = ft5.c1)
|
|
Filter: ((ft4.c1 IS NULL) OR (ft4.c1 IS NOT NULL))
|
|
-> Foreign Scan on public.ft4
|
|
Output: ft4.c1, ft4.*
|
|
Node ID: 1
|
|
Remote SQL: SELECT c1, c2, c3 FROM "S 1"."T 3" WHERE ((c1 >= 50)) AND ((c1 <= 60))
|
|
-> Hash
|
|
Output: ft5.c1, ft5.*
|
|
-> Foreign Scan on public.ft5
|
|
Output: ft5.c1, ft5.*
|
|
Node ID: 2
|
|
Remote SQL: SELECT c1, c2, c3 FROM "S 1"."T 4" WHERE ((c1 >= 50)) AND ((c1 <= 60))
|
|
|
|
FDW remote plans:
|
|
Node 1: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT c1, c2, c3 FROM "S 1"."T 3" WHERE ((c1 >= 50)) AND ((c1 <= 60))
|
|
Seq Scan on "S 1"."T 3"
|
|
Output: c1, c2, c3
|
|
Filter: (("T 3".c1 >= 50) AND ("T 3".c1 <= 60))
|
|
Node 2: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT c1, c2, c3 FROM "S 1"."T 4" WHERE ((c1 >= 50)) AND ((c1 <= 60))
|
|
Seq Scan on "S 1"."T 4"
|
|
Output: c1, c2, c3
|
|
Filter: (("T 4".c1 >= 50) AND ("T 4".c1 <= 60))
|
|
|
|
(35 rows)
|
|
|
|
SELECT t1.c1, ss.a, ss.b FROM (SELECT c1 FROM "S 1"."T 3" WHERE c1 = 50) t1 INNER JOIN (SELECT t2.c1, t3.c1 FROM (SELECT c1 FROM ft4 WHERE c1 between 50 and 60) t2 FULL JOIN (SELECT c1 FROM ft5 WHERE c1 between 50 and 60) t3 ON (t2.c1 = t3.c1) WHERE t2.c1 IS NULL OR t2.c1 IS NOT NULL) ss(a, b) ON (TRUE) ORDER BY t1.c1, ss.a, ss.b FOR UPDATE OF t1;
|
|
c1 | a | b
|
|
----+----+----
|
|
50 | 50 |
|
|
50 | 52 |
|
|
50 | 54 | 54
|
|
50 | 56 |
|
|
50 | 58 |
|
|
50 | 60 | 60
|
|
50 | | 51
|
|
50 | | 57
|
|
(8 rows)
|
|
|
|
-- full outer join + inner join
|
|
EXPLAIN (VERBOSE, COSTS OFF)
|
|
SELECT t1.c1, t2.c1, t3.c1 FROM ft4 t1 INNER JOIN ft5 t2 ON (t1.c1 = t2.c1 + 1 and t1.c1 between 50 and 60) FULL JOIN ft4 t3 ON (t2.c1 = t3.c1) ORDER BY t1.c1, t2.c1, t3.c1 LIMIT 10;
|
|
QUERY PLAN
|
|
-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
|
|
Foreign Scan
|
|
Output: t1.c1, t2.c1, t3.c1
|
|
Node ID: 1
|
|
Relations: ((public.ft4 t1) INNER JOIN (public.ft5 t2)) FULL JOIN (public.ft4 t3)
|
|
Remote SQL: SELECT r1.c1, r2.c1, r4.c1 FROM (("S 1"."T 3" r1 INNER JOIN "S 1"."T 4" r2 ON (((r1.c1 = (r2.c1 + 1))) AND (((r2.c1 + 1) >= 50)) AND (((r2.c1 + 1) <= 60)) AND ((r1.c1 >= 50)) AND ((r1.c1 <= 60)))) FULL JOIN "S 1"."T 3" r4 ON (((r2.c1 = r4.c1)))) ORDER BY r1.c1 ASC NULLS LAST, r2.c1 ASC NULLS LAST, r4.c1 ASC NULLS LAST LIMIT 10::bigint
|
|
|
|
FDW remote plans:
|
|
Node 1: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT r1.c1, r2.c1, r4.c1 FROM (("S 1"."T 3" r1 INNER JOIN "S 1"."T 4" r2 ON (((r1.c1 = (r2.c1 + 1))) AND (((r2.c1 + 1) >= 50)) AND (((r2.c1 + 1) <= 60)) AND ((r1.c1 >= 50)) AND ((r1.c1 <= 60)))) FULL JOIN "S 1"."T 3" r4 ON (((r2.c1 = r4.c1)))) ORDER BY r1.c1 ASC NULLS LAST, r2.c1 ASC NULLS LAST, r4.c1 ASC NULLS LAST LIMIT 10::bigint
|
|
Limit
|
|
Output: r1.c1, r2.c1, r4.c1
|
|
-> Sort
|
|
Output: r1.c1, r2.c1, r4.c1
|
|
Sort Key: r1.c1, r2.c1, r4.c1
|
|
-> Hash Full Join
|
|
Output: r1.c1, r2.c1, r4.c1
|
|
Hash Cond: (r4.c1 = r2.c1)
|
|
-> Seq Scan on "S 1"."T 3" r4
|
|
Output: r4.c1, r4.c2, r4.c3
|
|
-> Hash
|
|
Output: r1.c1, r2.c1
|
|
-> Hash Join
|
|
Output: r1.c1, r2.c1
|
|
Hash Cond: (r1.c1 = (r2.c1 + 1))
|
|
-> Seq Scan on "S 1"."T 3" r1
|
|
Output: r1.c1, r1.c2, r1.c3
|
|
Filter: ((r1.c1 >= 50) AND (r1.c1 <= 60))
|
|
-> Hash
|
|
Output: r2.c1
|
|
-> Seq Scan on "S 1"."T 4" r2
|
|
Output: r2.c1
|
|
Filter: (((r2.c1 + 1) >= 50) AND ((r2.c1 + 1) <= 60))
|
|
|
|
(32 rows)
|
|
|
|
SELECT t1.c1, t2.c1, t3.c1 FROM ft4 t1 INNER JOIN ft5 t2 ON (t1.c1 = t2.c1 + 1 and t1.c1 between 50 and 60) FULL JOIN ft4 t3 ON (t2.c1 = t3.c1) ORDER BY t1.c1, t2.c1, t3.c1 LIMIT 10;
|
|
c1 | c1 | c1
|
|
----+----+----
|
|
52 | 51 |
|
|
58 | 57 |
|
|
| | 2
|
|
| | 4
|
|
| | 6
|
|
| | 8
|
|
| | 10
|
|
| | 12
|
|
| | 14
|
|
| | 16
|
|
(10 rows)
|
|
|
|
-- full outer join three tables
|
|
EXPLAIN (VERBOSE, COSTS OFF)
|
|
SELECT t1.c1, t2.c2, t3.c3 FROM ft2 t1 FULL JOIN ft2 t2 ON (t1.c1 = t2.c1) FULL JOIN ft4 t3 ON (t2.c1 = t3.c1) OFFSET 10 LIMIT 10;
|
|
QUERY PLAN
|
|
--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
|
|
Foreign Scan
|
|
Output: t1.c1, t2.c2, t3.c3
|
|
Node ID: 1
|
|
Relations: ((public.ft2 t1) FULL JOIN (public.ft2 t2)) FULL JOIN (public.ft4 t3)
|
|
Remote SQL: SELECT r1."C 1", r2.c2, r4.c3 FROM (("S 1"."T 1" r1 FULL JOIN "S 1"."T 1" r2 ON (((r1."C 1" = r2."C 1")))) FULL JOIN "S 1"."T 3" r4 ON (((r2."C 1" = r4.c1)))) LIMIT 10::bigint OFFSET 10::bigint
|
|
|
|
FDW remote plans:
|
|
Node 1: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT r1."C 1", r2.c2, r4.c3 FROM (("S 1"."T 1" r1 FULL JOIN "S 1"."T 1" r2 ON (((r1."C 1" = r2."C 1")))) FULL JOIN "S 1"."T 3" r4 ON (((r2."C 1" = r4.c1)))) LIMIT 10::bigint OFFSET 10::bigint
|
|
Limit
|
|
Output: r1."C 1", r2.c2, r4.c3
|
|
-> Hash Full Join
|
|
Output: r1."C 1", r2.c2, r4.c3
|
|
Hash Cond: (r2."C 1" = r4.c1)
|
|
-> Merge Full Join
|
|
Output: r1."C 1", r2.c2, r2."C 1"
|
|
Merge Cond: (r1."C 1" = r2."C 1")
|
|
-> Index Only Scan using t1_pkey on "S 1"."T 1" r1
|
|
Output: r1."C 1"
|
|
-> Index Scan using t1_pkey on "S 1"."T 1" r2
|
|
Output: r2."C 1", r2.c2, r2.c3, r2.c4, r2.c5, r2.c6, r2.c7, r2.c8
|
|
-> Hash
|
|
Output: r4.c3, r4.c1
|
|
-> Seq Scan on "S 1"."T 3" r4
|
|
Output: r4.c3, r4.c1
|
|
|
|
(25 rows)
|
|
|
|
SELECT t1.c1, t2.c2, t3.c3 FROM ft2 t1 FULL JOIN ft2 t2 ON (t1.c1 = t2.c1) FULL JOIN ft4 t3 ON (t2.c1 = t3.c1) OFFSET 10 LIMIT 10;
|
|
c1 | c2 | c3
|
|
----+----+--------
|
|
11 | 1 |
|
|
12 | 2 | AAA012
|
|
13 | 3 |
|
|
14 | 4 | AAA014
|
|
15 | 5 |
|
|
16 | 6 | AAA016
|
|
17 | 7 |
|
|
18 | 8 | AAA018
|
|
19 | 9 |
|
|
20 | 0 | AAA020
|
|
(10 rows)
|
|
|
|
-- full outer join + right outer join
|
|
EXPLAIN (VERBOSE, COSTS OFF)
|
|
SELECT t1.c1, t2.c2, t3.c3 FROM ft2 t1 FULL JOIN ft2 t2 ON (t1.c1 = t2.c1) RIGHT JOIN ft4 t3 ON (t2.c1 = t3.c1) OFFSET 10 LIMIT 10;
|
|
QUERY PLAN
|
|
--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
|
|
Foreign Scan
|
|
Output: t1.c1, t2.c2, t3.c3
|
|
Node ID: 1
|
|
Relations: ((public.ft4 t3) LEFT JOIN (public.ft2 t2)) LEFT JOIN (public.ft2 t1)
|
|
Remote SQL: SELECT r1."C 1", r2.c2, r4.c3 FROM (("S 1"."T 3" r4 LEFT JOIN "S 1"."T 1" r2 ON (((r2."C 1" = r4.c1)))) LEFT JOIN "S 1"."T 1" r1 ON (((r1."C 1" = r2."C 1")))) LIMIT 10::bigint OFFSET 10::bigint
|
|
|
|
FDW remote plans:
|
|
Node 1: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT r1."C 1", r2.c2, r4.c3 FROM (("S 1"."T 3" r4 LEFT JOIN "S 1"."T 1" r2 ON (((r2."C 1" = r4.c1)))) LEFT JOIN "S 1"."T 1" r1 ON (((r1."C 1" = r2."C 1")))) LIMIT 10::bigint OFFSET 10::bigint
|
|
Limit
|
|
Output: r1."C 1", r2.c2, r4.c3
|
|
-> Merge Right Join
|
|
Output: r1."C 1", r2.c2, r4.c3
|
|
Merge Cond: (r2."C 1" = r4.c1)
|
|
-> Merge Left Join
|
|
Output: r2.c2, r2."C 1", r1."C 1"
|
|
Merge Cond: (r2."C 1" = r1."C 1")
|
|
-> Index Scan using t1_pkey on "S 1"."T 1" r2
|
|
Output: r2."C 1", r2.c2, r2.c3, r2.c4, r2.c5, r2.c6, r2.c7, r2.c8
|
|
-> Index Only Scan using t1_pkey on "S 1"."T 1" r1
|
|
Output: r1."C 1"
|
|
-> Sort
|
|
Output: r4.c3, r4.c1
|
|
Sort Key: r4.c1
|
|
-> Seq Scan on "S 1"."T 3" r4
|
|
Output: r4.c3, r4.c1
|
|
|
|
(26 rows)
|
|
|
|
SELECT t1.c1, t2.c2, t3.c3 FROM ft2 t1 FULL JOIN ft2 t2 ON (t1.c1 = t2.c1) RIGHT JOIN ft4 t3 ON (t2.c1 = t3.c1) OFFSET 10 LIMIT 10;
|
|
c1 | c2 | c3
|
|
----+----+--------
|
|
22 | 2 | AAA022
|
|
24 | 4 | AAA024
|
|
26 | 6 | AAA026
|
|
28 | 8 | AAA028
|
|
30 | 0 | AAA030
|
|
32 | 2 | AAA032
|
|
34 | 4 | AAA034
|
|
36 | 6 | AAA036
|
|
38 | 8 | AAA038
|
|
40 | 0 | AAA040
|
|
(10 rows)
|
|
|
|
-- right outer join + full outer join
|
|
EXPLAIN (VERBOSE, COSTS OFF)
|
|
SELECT t1.c1, t2.c2, t3.c3 FROM ft2 t1 RIGHT JOIN ft2 t2 ON (t1.c1 = t2.c1) FULL JOIN ft4 t3 ON (t2.c1 = t3.c1) OFFSET 10 LIMIT 10;
|
|
QUERY PLAN
|
|
--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
|
|
Foreign Scan
|
|
Output: t1.c1, t2.c2, t3.c3
|
|
Node ID: 1
|
|
Relations: ((public.ft2 t2) LEFT JOIN (public.ft2 t1)) FULL JOIN (public.ft4 t3)
|
|
Remote SQL: SELECT r1."C 1", r2.c2, r4.c3 FROM (("S 1"."T 1" r2 LEFT JOIN "S 1"."T 1" r1 ON (((r1."C 1" = r2."C 1")))) FULL JOIN "S 1"."T 3" r4 ON (((r2."C 1" = r4.c1)))) LIMIT 10::bigint OFFSET 10::bigint
|
|
|
|
FDW remote plans:
|
|
Node 1: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT r1."C 1", r2.c2, r4.c3 FROM (("S 1"."T 1" r2 LEFT JOIN "S 1"."T 1" r1 ON (((r1."C 1" = r2."C 1")))) FULL JOIN "S 1"."T 3" r4 ON (((r2."C 1" = r4.c1)))) LIMIT 10::bigint OFFSET 10::bigint
|
|
Limit
|
|
Output: r1."C 1", r2.c2, r4.c3
|
|
-> Merge Full Join
|
|
Output: r1."C 1", r2.c2, r4.c3
|
|
Merge Cond: (r2."C 1" = r4.c1)
|
|
-> Merge Left Join
|
|
Output: r2.c2, r2."C 1", r1."C 1"
|
|
Merge Cond: (r2."C 1" = r1."C 1")
|
|
-> Index Scan using t1_pkey on "S 1"."T 1" r2
|
|
Output: r2."C 1", r2.c2, r2.c3, r2.c4, r2.c5, r2.c6, r2.c7, r2.c8
|
|
-> Index Only Scan using t1_pkey on "S 1"."T 1" r1
|
|
Output: r1."C 1"
|
|
-> Index Scan using t3_pkey on "S 1"."T 3" r4
|
|
Output: r4.c1, r4.c2, r4.c3
|
|
|
|
(23 rows)
|
|
|
|
SELECT t1.c1, t2.c2, t3.c3 FROM ft2 t1 RIGHT JOIN ft2 t2 ON (t1.c1 = t2.c1) FULL JOIN ft4 t3 ON (t2.c1 = t3.c1) OFFSET 10 LIMIT 10;
|
|
c1 | c2 | c3
|
|
----+----+--------
|
|
11 | 1 |
|
|
12 | 2 | AAA012
|
|
13 | 3 |
|
|
14 | 4 | AAA014
|
|
15 | 5 |
|
|
16 | 6 | AAA016
|
|
17 | 7 |
|
|
18 | 8 | AAA018
|
|
19 | 9 |
|
|
20 | 0 | AAA020
|
|
(10 rows)
|
|
|
|
-- full outer join + left outer join
|
|
EXPLAIN (VERBOSE, COSTS OFF)
|
|
SELECT t1.c1, t2.c2, t3.c3 FROM ft2 t1 FULL JOIN ft2 t2 ON (t1.c1 = t2.c1) LEFT JOIN ft4 t3 ON (t2.c1 = t3.c1) OFFSET 10 LIMIT 10;
|
|
QUERY PLAN
|
|
--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
|
|
Foreign Scan
|
|
Output: t1.c1, t2.c2, t3.c3
|
|
Node ID: 1
|
|
Relations: ((public.ft2 t1) FULL JOIN (public.ft2 t2)) LEFT JOIN (public.ft4 t3)
|
|
Remote SQL: SELECT r1."C 1", r2.c2, r4.c3 FROM (("S 1"."T 1" r1 FULL JOIN "S 1"."T 1" r2 ON (((r1."C 1" = r2."C 1")))) LEFT JOIN "S 1"."T 3" r4 ON (((r2."C 1" = r4.c1)))) LIMIT 10::bigint OFFSET 10::bigint
|
|
|
|
FDW remote plans:
|
|
Node 1: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT r1."C 1", r2.c2, r4.c3 FROM (("S 1"."T 1" r1 FULL JOIN "S 1"."T 1" r2 ON (((r1."C 1" = r2."C 1")))) LEFT JOIN "S 1"."T 3" r4 ON (((r2."C 1" = r4.c1)))) LIMIT 10::bigint OFFSET 10::bigint
|
|
Limit
|
|
Output: r1."C 1", r2.c2, r4.c3
|
|
-> Hash Left Join
|
|
Output: r1."C 1", r2.c2, r4.c3
|
|
Hash Cond: (r2."C 1" = r4.c1)
|
|
-> Merge Full Join
|
|
Output: r1."C 1", r2.c2, r2."C 1"
|
|
Merge Cond: (r1."C 1" = r2."C 1")
|
|
-> Index Only Scan using t1_pkey on "S 1"."T 1" r1
|
|
Output: r1."C 1"
|
|
-> Index Scan using t1_pkey on "S 1"."T 1" r2
|
|
Output: r2."C 1", r2.c2, r2.c3, r2.c4, r2.c5, r2.c6, r2.c7, r2.c8
|
|
-> Hash
|
|
Output: r4.c3, r4.c1
|
|
-> Seq Scan on "S 1"."T 3" r4
|
|
Output: r4.c3, r4.c1
|
|
|
|
(25 rows)
|
|
|
|
SELECT t1.c1, t2.c2, t3.c3 FROM ft2 t1 FULL JOIN ft2 t2 ON (t1.c1 = t2.c1) LEFT JOIN ft4 t3 ON (t2.c1 = t3.c1) OFFSET 10 LIMIT 10;
|
|
c1 | c2 | c3
|
|
----+----+--------
|
|
11 | 1 |
|
|
12 | 2 | AAA012
|
|
13 | 3 |
|
|
14 | 4 | AAA014
|
|
15 | 5 |
|
|
16 | 6 | AAA016
|
|
17 | 7 |
|
|
18 | 8 | AAA018
|
|
19 | 9 |
|
|
20 | 0 | AAA020
|
|
(10 rows)
|
|
|
|
-- left outer join + full outer join
|
|
EXPLAIN (VERBOSE, COSTS OFF)
|
|
SELECT t1.c1, t2.c2, t3.c3 FROM ft2 t1 LEFT JOIN ft2 t2 ON (t1.c1 = t2.c1) FULL JOIN ft4 t3 ON (t2.c1 = t3.c1) OFFSET 10 LIMIT 10;
|
|
QUERY PLAN
|
|
--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
|
|
Foreign Scan
|
|
Output: t1.c1, t2.c2, t3.c3
|
|
Node ID: 1
|
|
Relations: ((public.ft2 t1) LEFT JOIN (public.ft2 t2)) FULL JOIN (public.ft4 t3)
|
|
Remote SQL: SELECT r1."C 1", r2.c2, r4.c3 FROM (("S 1"."T 1" r1 LEFT JOIN "S 1"."T 1" r2 ON (((r1."C 1" = r2."C 1")))) FULL JOIN "S 1"."T 3" r4 ON (((r2."C 1" = r4.c1)))) LIMIT 10::bigint OFFSET 10::bigint
|
|
|
|
FDW remote plans:
|
|
Node 1: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT r1."C 1", r2.c2, r4.c3 FROM (("S 1"."T 1" r1 LEFT JOIN "S 1"."T 1" r2 ON (((r1."C 1" = r2."C 1")))) FULL JOIN "S 1"."T 3" r4 ON (((r2."C 1" = r4.c1)))) LIMIT 10::bigint OFFSET 10::bigint
|
|
Limit
|
|
Output: r1."C 1", r2.c2, r4.c3
|
|
-> Hash Full Join
|
|
Output: r1."C 1", r2.c2, r4.c3
|
|
Hash Cond: (r2."C 1" = r4.c1)
|
|
-> Merge Left Join
|
|
Output: r1."C 1", r2.c2, r2."C 1"
|
|
Merge Cond: (r1."C 1" = r2."C 1")
|
|
-> Index Only Scan using t1_pkey on "S 1"."T 1" r1
|
|
Output: r1."C 1"
|
|
-> Index Scan using t1_pkey on "S 1"."T 1" r2
|
|
Output: r2."C 1", r2.c2, r2.c3, r2.c4, r2.c5, r2.c6, r2.c7, r2.c8
|
|
-> Hash
|
|
Output: r4.c3, r4.c1
|
|
-> Seq Scan on "S 1"."T 3" r4
|
|
Output: r4.c3, r4.c1
|
|
|
|
(25 rows)
|
|
|
|
SELECT t1.c1, t2.c2, t3.c3 FROM ft2 t1 LEFT JOIN ft2 t2 ON (t1.c1 = t2.c1) FULL JOIN ft4 t3 ON (t2.c1 = t3.c1) OFFSET 10 LIMIT 10;
|
|
c1 | c2 | c3
|
|
----+----+--------
|
|
11 | 1 |
|
|
12 | 2 | AAA012
|
|
13 | 3 |
|
|
14 | 4 | AAA014
|
|
15 | 5 |
|
|
16 | 6 | AAA016
|
|
17 | 7 |
|
|
18 | 8 | AAA018
|
|
19 | 9 |
|
|
20 | 0 | AAA020
|
|
(10 rows)
|
|
|
|
SET enable_memoize TO off; --nspt
|
|
ERROR: unrecognized configuration parameter "enable_memoize"
|
|
-- right outer join + left outer join
|
|
EXPLAIN (VERBOSE, COSTS OFF)
|
|
SELECT t1.c1, t2.c2, t3.c3 FROM ft2 t1 RIGHT JOIN ft2 t2 ON (t1.c1 = t2.c1) LEFT JOIN ft4 t3 ON (t2.c1 = t3.c1) OFFSET 10 LIMIT 10;
|
|
QUERY PLAN
|
|
--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
|
|
Foreign Scan
|
|
Output: t1.c1, t2.c2, t3.c3
|
|
Node ID: 1
|
|
Relations: ((public.ft2 t2) LEFT JOIN (public.ft2 t1)) LEFT JOIN (public.ft4 t3)
|
|
Remote SQL: SELECT r1."C 1", r2.c2, r4.c3 FROM (("S 1"."T 1" r2 LEFT JOIN "S 1"."T 1" r1 ON (((r1."C 1" = r2."C 1")))) LEFT JOIN "S 1"."T 3" r4 ON (((r2."C 1" = r4.c1)))) LIMIT 10::bigint OFFSET 10::bigint
|
|
|
|
FDW remote plans:
|
|
Node 1: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT r1."C 1", r2.c2, r4.c3 FROM (("S 1"."T 1" r2 LEFT JOIN "S 1"."T 1" r1 ON (((r1."C 1" = r2."C 1")))) LEFT JOIN "S 1"."T 3" r4 ON (((r2."C 1" = r4.c1)))) LIMIT 10::bigint OFFSET 10::bigint
|
|
Limit
|
|
Output: r1."C 1", r2.c2, r4.c3
|
|
-> Merge Left Join
|
|
Output: r1."C 1", r2.c2, r4.c3
|
|
Merge Cond: (r2."C 1" = r4.c1)
|
|
-> Merge Left Join
|
|
Output: r2.c2, r2."C 1", r1."C 1"
|
|
Merge Cond: (r2."C 1" = r1."C 1")
|
|
-> Index Scan using t1_pkey on "S 1"."T 1" r2
|
|
Output: r2."C 1", r2.c2, r2.c3, r2.c4, r2.c5, r2.c6, r2.c7, r2.c8
|
|
-> Index Only Scan using t1_pkey on "S 1"."T 1" r1
|
|
Output: r1."C 1"
|
|
-> Index Scan using t3_pkey on "S 1"."T 3" r4
|
|
Output: r4.c1, r4.c2, r4.c3
|
|
|
|
(23 rows)
|
|
|
|
SELECT t1.c1, t2.c2, t3.c3 FROM ft2 t1 RIGHT JOIN ft2 t2 ON (t1.c1 = t2.c1) LEFT JOIN ft4 t3 ON (t2.c1 = t3.c1) OFFSET 10 LIMIT 10;
|
|
c1 | c2 | c3
|
|
----+----+--------
|
|
11 | 1 |
|
|
12 | 2 | AAA012
|
|
13 | 3 |
|
|
14 | 4 | AAA014
|
|
15 | 5 |
|
|
16 | 6 | AAA016
|
|
17 | 7 |
|
|
18 | 8 | AAA018
|
|
19 | 9 |
|
|
20 | 0 | AAA020
|
|
(10 rows)
|
|
|
|
RESET enable_memoize; --nspt
|
|
ERROR: unrecognized configuration parameter "enable_memoize"
|
|
-- left outer join + right outer join
|
|
EXPLAIN (VERBOSE, COSTS OFF)
|
|
SELECT t1.c1, t2.c2, t3.c3 FROM ft2 t1 LEFT JOIN ft2 t2 ON (t1.c1 = t2.c1) RIGHT JOIN ft4 t3 ON (t2.c1 = t3.c1) OFFSET 10 LIMIT 10;
|
|
QUERY PLAN
|
|
---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
|
|
Foreign Scan
|
|
Output: t1.c1, t2.c2, t3.c3
|
|
Node ID: 1
|
|
Relations: (public.ft4 t3) LEFT JOIN ((public.ft2 t1) INNER JOIN (public.ft2 t2))
|
|
Remote SQL: SELECT r1."C 1", r2.c2, r4.c3 FROM ("S 1"."T 3" r4 LEFT JOIN ("S 1"."T 1" r1 INNER JOIN "S 1"."T 1" r2 ON (((r1."C 1" = r2."C 1")))) ON (((r2."C 1" = r4.c1)))) LIMIT 10::bigint OFFSET 10::bigint
|
|
|
|
FDW remote plans:
|
|
Node 1: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT r1."C 1", r2.c2, r4.c3 FROM ("S 1"."T 3" r4 LEFT JOIN ("S 1"."T 1" r1 INNER JOIN "S 1"."T 1" r2 ON (((r1."C 1" = r2."C 1")))) ON (((r2."C 1" = r4.c1)))) LIMIT 10::bigint OFFSET 10::bigint
|
|
Limit
|
|
Output: r1."C 1", r2.c2, r4.c3
|
|
-> Merge Right Join
|
|
Output: r1."C 1", r2.c2, r4.c3
|
|
Merge Cond: (r2."C 1" = r4.c1)
|
|
-> Merge Join
|
|
Output: r1."C 1", r2.c2, r2."C 1"
|
|
Merge Cond: (r1."C 1" = r2."C 1")
|
|
-> Index Only Scan using t1_pkey on "S 1"."T 1" r1
|
|
Output: r1."C 1"
|
|
-> Index Scan using t1_pkey on "S 1"."T 1" r2
|
|
Output: r2."C 1", r2.c2, r2.c3, r2.c4, r2.c5, r2.c6, r2.c7, r2.c8
|
|
-> Sort
|
|
Output: r4.c3, r4.c1
|
|
Sort Key: r4.c1
|
|
-> Seq Scan on "S 1"."T 3" r4
|
|
Output: r4.c3, r4.c1
|
|
|
|
(26 rows)
|
|
|
|
SELECT t1.c1, t2.c2, t3.c3 FROM ft2 t1 LEFT JOIN ft2 t2 ON (t1.c1 = t2.c1) RIGHT JOIN ft4 t3 ON (t2.c1 = t3.c1) OFFSET 10 LIMIT 10;
|
|
c1 | c2 | c3
|
|
----+----+--------
|
|
22 | 2 | AAA022
|
|
24 | 4 | AAA024
|
|
26 | 6 | AAA026
|
|
28 | 8 | AAA028
|
|
30 | 0 | AAA030
|
|
32 | 2 | AAA032
|
|
34 | 4 | AAA034
|
|
36 | 6 | AAA036
|
|
38 | 8 | AAA038
|
|
40 | 0 | AAA040
|
|
(10 rows)
|
|
|
|
-- full outer join + WHERE clause, only matched rows
|
|
EXPLAIN (VERBOSE, COSTS OFF)
|
|
SELECT t1.c1, t2.c1 FROM ft4 t1 FULL JOIN ft5 t2 ON (t1.c1 = t2.c1) WHERE (t1.c1 = t2.c1 OR t1.c1 IS NULL) ORDER BY t1.c1, t2.c1 OFFSET 10 LIMIT 10;
|
|
QUERY PLAN
|
|
---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
|
|
Limit
|
|
Output: t1.c1, t2.c1
|
|
-> Sort
|
|
Output: t1.c1, t2.c1
|
|
Sort Key: t1.c1, t2.c1
|
|
-> Foreign Scan
|
|
Output: t1.c1, t2.c1
|
|
Node ID: 1
|
|
Relations: (public.ft4 t1) FULL JOIN (public.ft5 t2)
|
|
Remote SQL: SELECT r1.c1, r2.c1 FROM ("S 1"."T 3" r1 FULL JOIN "S 1"."T 4" r2 ON (((r1.c1 = r2.c1)))) WHERE (((r1.c1 = r2.c1) OR (r1.c1 IS NULL)))
|
|
|
|
FDW remote plans:
|
|
Node 1: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT r1.c1, r2.c1 FROM ("S 1"."T 3" r1 FULL JOIN "S 1"."T 4" r2 ON (((r1.c1 = r2.c1)))) WHERE (((r1.c1 = r2.c1) OR (r1.c1 IS NULL)))
|
|
Hash Full Join
|
|
Output: r1.c1, r2.c1
|
|
Hash Cond: (r1.c1 = r2.c1)
|
|
Filter: ((r1.c1 = r2.c1) OR (r1.c1 IS NULL))
|
|
-> Seq Scan on "S 1"."T 3" r1
|
|
Output: r1.c1, r1.c2, r1.c3
|
|
-> Hash
|
|
Output: r2.c1
|
|
-> Seq Scan on "S 1"."T 4" r2
|
|
Output: r2.c1
|
|
|
|
(24 rows)
|
|
|
|
SELECT t1.c1, t2.c1 FROM ft4 t1 FULL JOIN ft5 t2 ON (t1.c1 = t2.c1) WHERE (t1.c1 = t2.c1 OR t1.c1 IS NULL) ORDER BY t1.c1, t2.c1 OFFSET 10 LIMIT 10;
|
|
c1 | c1
|
|
----+----
|
|
66 | 66
|
|
72 | 72
|
|
78 | 78
|
|
84 | 84
|
|
90 | 90
|
|
96 | 96
|
|
| 3
|
|
| 9
|
|
| 15
|
|
| 21
|
|
(10 rows)
|
|
|
|
-- full outer join + WHERE clause with shippable extensions set
|
|
EXPLAIN (VERBOSE, COSTS OFF)
|
|
SELECT t1.c1, t2.c2, t1.c3 FROM ft1 t1 FULL JOIN ft2 t2 ON (t1.c1 = t2.c1) WHERE postgres_fdw_abs(t1.c1) > 0 OFFSET 10 LIMIT 10;
|
|
QUERY PLAN
|
|
----------------------------------------------------------------------------------------------------------------------------------------------------
|
|
Limit
|
|
Output: t1.c1, t2.c2, t1.c3
|
|
-> Foreign Scan
|
|
Output: t1.c1, t2.c2, t1.c3
|
|
Filter: (postgres_fdw_abs(t1.c1) > 0)
|
|
Node ID: 1
|
|
Relations: (public.ft1 t1) FULL JOIN (public.ft2 t2)
|
|
Remote SQL: SELECT r1."C 1", r1.c3, r2.c2 FROM ("S 1"."T 1" r1 FULL JOIN "S 1"."T 1" r2 ON (((r1."C 1" = r2."C 1"))))
|
|
|
|
FDW remote plans:
|
|
Node 1: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT r1."C 1", r1.c3, r2.c2 FROM ("S 1"."T 1" r1 FULL JOIN "S 1"."T 1" r2 ON (((r1."C 1" = r2."C 1"))))
|
|
Hash Full Join
|
|
Output: r1."C 1", r1.c3, r2.c2
|
|
Hash Cond: (r1."C 1" = r2."C 1")
|
|
-> Seq Scan on "S 1"."T 1" r1
|
|
Output: r1."C 1", r1.c2, r1.c3, r1.c4, r1.c5, r1.c6, r1.c7, r1.c8
|
|
-> Hash
|
|
Output: r2.c2, r2."C 1"
|
|
-> Seq Scan on "S 1"."T 1" r2
|
|
Output: r2.c2, r2."C 1"
|
|
|
|
(21 rows)
|
|
|
|
ALTER SERVER loopback OPTIONS (DROP extensions); --nspt
|
|
ERROR: option "extensions" not found
|
|
-- full outer join + WHERE clause with shippable extensions not set
|
|
EXPLAIN (VERBOSE, COSTS OFF)
|
|
SELECT t1.c1, t2.c2, t1.c3 FROM ft1 t1 FULL JOIN ft2 t2 ON (t1.c1 = t2.c1) WHERE postgres_fdw_abs(t1.c1) > 0 OFFSET 10 LIMIT 10;
|
|
QUERY PLAN
|
|
----------------------------------------------------------------------------------------------------------------------------------------------------
|
|
Limit
|
|
Output: t1.c1, t2.c2, t1.c3
|
|
-> Foreign Scan
|
|
Output: t1.c1, t2.c2, t1.c3
|
|
Filter: (postgres_fdw_abs(t1.c1) > 0)
|
|
Node ID: 1
|
|
Relations: (public.ft1 t1) FULL JOIN (public.ft2 t2)
|
|
Remote SQL: SELECT r1."C 1", r1.c3, r2.c2 FROM ("S 1"."T 1" r1 FULL JOIN "S 1"."T 1" r2 ON (((r1."C 1" = r2."C 1"))))
|
|
|
|
FDW remote plans:
|
|
Node 1: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT r1."C 1", r1.c3, r2.c2 FROM ("S 1"."T 1" r1 FULL JOIN "S 1"."T 1" r2 ON (((r1."C 1" = r2."C 1"))))
|
|
Hash Full Join
|
|
Output: r1."C 1", r1.c3, r2.c2
|
|
Hash Cond: (r1."C 1" = r2."C 1")
|
|
-> Seq Scan on "S 1"."T 1" r1
|
|
Output: r1."C 1", r1.c2, r1.c3, r1.c4, r1.c5, r1.c6, r1.c7, r1.c8
|
|
-> Hash
|
|
Output: r2.c2, r2."C 1"
|
|
-> Seq Scan on "S 1"."T 1" r2
|
|
Output: r2.c2, r2."C 1"
|
|
|
|
(21 rows)
|
|
|
|
ALTER SERVER loopback OPTIONS (ADD extensions 'postgres_fdw'); --nspt
|
|
ERROR: invalid option "extensions"
|
|
HINT: Valid options in this context are: service, connect_timeout, dbname, host, remote_nodename, hostaddr, port, localhost, localport, application_name, fencedUdfRPCMode, keepalives, keepalives_idle, keepalives_interval, keepalives_count, tcp_user_timeout, rw_timeout, sslmode, sslcompression, sslcert, sslkey, sslrootcert, sslcrl, requirepeer, krbsrvname, prototype, connection_info, connectionExtraInfo, target_session_attrs, use_remote_estimate, fdw_startup_cost, fdw_tuple_cost, updatable
|
|
-- join two tables with FOR UPDATE clause
|
|
-- tests whole-row reference for row marks
|
|
EXPLAIN (VERBOSE, COSTS OFF)
|
|
SELECT t1.c1, t2.c1 FROM ft1 t1 JOIN ft2 t2 ON (t1.c1 = t2.c1) ORDER BY t1.c3, t1.c1 OFFSET 100 LIMIT 10 FOR UPDATE OF t1;
|
|
QUERY PLAN
|
|
---------------------------------------------------------------------------------------------------------------
|
|
Limit
|
|
Output: t1.c1, t2.c1, t1.c3, t1.*, t2.*
|
|
-> Sort
|
|
Output: t1.c1, t2.c1, t1.c3, t1.*, t2.*
|
|
Sort Key: t1.c3, t1.c1
|
|
-> LockRows
|
|
Output: t1.c1, t2.c1, t1.c3, t1.*, t2.*
|
|
-> Hash Join
|
|
Output: t1.c1, t2.c1, t1.c3, t1.*, t2.*
|
|
Hash Cond: (t1.c1 = t2.c1)
|
|
-> Foreign Scan on public.ft1 t1
|
|
Output: t1.c1, t1.c3, t1.*
|
|
Node ID: 1
|
|
Remote SQL: SELECT "C 1", c2, c3, c4, c5, c6, c7, c8 FROM "S 1"."T 1" FOR UPDATE
|
|
-> Hash
|
|
Output: t2.c1, t2.*
|
|
-> Foreign Scan on public.ft2 t2
|
|
Output: t2.c1, t2.*
|
|
Node ID: 2
|
|
Remote SQL: SELECT "C 1", c2, c3, c4, c5, c6, c7, c8 FROM "S 1"."T 1"
|
|
|
|
FDW remote plans:
|
|
Node 1: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT "C 1", c2, c3, c4, c5, c6, c7, c8 FROM "S 1"."T 1" FOR UPDATE
|
|
LockRows
|
|
Output: "C 1", c2, c3, c4, c5, c6, c7, c8, ctid
|
|
-> Seq Scan on "S 1"."T 1"
|
|
Output: "C 1", c2, c3, c4, c5, c6, c7, c8, ctid
|
|
Node 2: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT "C 1", c2, c3, c4, c5, c6, c7, c8 FROM "S 1"."T 1"
|
|
Seq Scan on "S 1"."T 1"
|
|
Output: "C 1", c2, c3, c4, c5, c6, c7, c8
|
|
|
|
(31 rows)
|
|
|
|
SELECT t1.c1, t2.c1 FROM ft1 t1 JOIN ft2 t2 ON (t1.c1 = t2.c1) ORDER BY t1.c3, t1.c1 OFFSET 100 LIMIT 10 FOR UPDATE OF t1;
|
|
c1 | c1
|
|
-----+-----
|
|
101 | 101
|
|
102 | 102
|
|
103 | 103
|
|
104 | 104
|
|
105 | 105
|
|
106 | 106
|
|
107 | 107
|
|
108 | 108
|
|
109 | 109
|
|
110 | 110
|
|
(10 rows)
|
|
|
|
EXPLAIN (VERBOSE, COSTS OFF)
|
|
SELECT t1.c1, t2.c1 FROM ft1 t1 JOIN ft2 t2 ON (t1.c1 = t2.c1) ORDER BY t1.c3, t1.c1 OFFSET 100 LIMIT 10 FOR UPDATE;
|
|
QUERY PLAN
|
|
------------------------------------------------------------------------------------------------------------------
|
|
Limit
|
|
Output: t1.c1, t2.c1, t1.c3, t1.*, t2.*
|
|
-> Sort
|
|
Output: t1.c1, t2.c1, t1.c3, t1.*, t2.*
|
|
Sort Key: t1.c3, t1.c1
|
|
-> LockRows
|
|
Output: t1.c1, t2.c1, t1.c3, t1.*, t2.*
|
|
-> Hash Join
|
|
Output: t1.c1, t2.c1, t1.c3, t1.*, t2.*
|
|
Hash Cond: (t2.c1 = t1.c1)
|
|
-> Foreign Scan on public.ft2 t2
|
|
Output: t2.c1, t2.*
|
|
Node ID: 1
|
|
Remote SQL: SELECT "C 1", c2, c3, c4, c5, c6, c7, c8 FROM "S 1"."T 1" FOR UPDATE
|
|
-> Hash
|
|
Output: t1.c1, t1.c3, t1.*
|
|
-> Foreign Scan on public.ft1 t1
|
|
Output: t1.c1, t1.c3, t1.*
|
|
Node ID: 2
|
|
Remote SQL: SELECT "C 1", c2, c3, c4, c5, c6, c7, c8 FROM "S 1"."T 1" FOR UPDATE
|
|
|
|
FDW remote plans:
|
|
Node 1: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT "C 1", c2, c3, c4, c5, c6, c7, c8 FROM "S 1"."T 1" FOR UPDATE
|
|
LockRows
|
|
Output: "C 1", c2, c3, c4, c5, c6, c7, c8, ctid
|
|
-> Seq Scan on "S 1"."T 1"
|
|
Output: "C 1", c2, c3, c4, c5, c6, c7, c8, ctid
|
|
Node 2: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT "C 1", c2, c3, c4, c5, c6, c7, c8 FROM "S 1"."T 1" FOR UPDATE
|
|
LockRows
|
|
Output: "C 1", c2, c3, c4, c5, c6, c7, c8, ctid
|
|
-> Seq Scan on "S 1"."T 1"
|
|
Output: "C 1", c2, c3, c4, c5, c6, c7, c8, ctid
|
|
|
|
(33 rows)
|
|
|
|
SELECT t1.c1, t2.c1 FROM ft1 t1 JOIN ft2 t2 ON (t1.c1 = t2.c1) ORDER BY t1.c3, t1.c1 OFFSET 100 LIMIT 10 FOR UPDATE;
|
|
c1 | c1
|
|
-----+-----
|
|
101 | 101
|
|
102 | 102
|
|
103 | 103
|
|
104 | 104
|
|
105 | 105
|
|
106 | 106
|
|
107 | 107
|
|
108 | 108
|
|
109 | 109
|
|
110 | 110
|
|
(10 rows)
|
|
|
|
-- join two tables with FOR SHARE clause
|
|
EXPLAIN (VERBOSE, COSTS OFF)
|
|
SELECT t1.c1, t2.c1 FROM ft1 t1 JOIN ft2 t2 ON (t1.c1 = t2.c1) ORDER BY t1.c3, t1.c1 OFFSET 100 LIMIT 10 FOR SHARE OF t1;
|
|
QUERY PLAN
|
|
--------------------------------------------------------------------------------------------------------------
|
|
Limit
|
|
Output: t1.c1, t2.c1, t1.c3, t1.*, t2.*
|
|
-> Sort
|
|
Output: t1.c1, t2.c1, t1.c3, t1.*, t2.*
|
|
Sort Key: t1.c3, t1.c1
|
|
-> LockRows
|
|
Output: t1.c1, t2.c1, t1.c3, t1.*, t2.*
|
|
-> Hash Join
|
|
Output: t1.c1, t2.c1, t1.c3, t1.*, t2.*
|
|
Hash Cond: (t1.c1 = t2.c1)
|
|
-> Foreign Scan on public.ft1 t1
|
|
Output: t1.c1, t1.c3, t1.*
|
|
Node ID: 1
|
|
Remote SQL: SELECT "C 1", c2, c3, c4, c5, c6, c7, c8 FROM "S 1"."T 1" FOR SHARE
|
|
-> Hash
|
|
Output: t2.c1, t2.*
|
|
-> Foreign Scan on public.ft2 t2
|
|
Output: t2.c1, t2.*
|
|
Node ID: 2
|
|
Remote SQL: SELECT "C 1", c2, c3, c4, c5, c6, c7, c8 FROM "S 1"."T 1"
|
|
|
|
FDW remote plans:
|
|
Node 1: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT "C 1", c2, c3, c4, c5, c6, c7, c8 FROM "S 1"."T 1" FOR SHARE
|
|
LockRows
|
|
Output: "C 1", c2, c3, c4, c5, c6, c7, c8, ctid
|
|
-> Seq Scan on "S 1"."T 1"
|
|
Output: "C 1", c2, c3, c4, c5, c6, c7, c8, ctid
|
|
Node 2: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT "C 1", c2, c3, c4, c5, c6, c7, c8 FROM "S 1"."T 1"
|
|
Seq Scan on "S 1"."T 1"
|
|
Output: "C 1", c2, c3, c4, c5, c6, c7, c8
|
|
|
|
(31 rows)
|
|
|
|
SELECT t1.c1, t2.c1 FROM ft1 t1 JOIN ft2 t2 ON (t1.c1 = t2.c1) ORDER BY t1.c3, t1.c1 OFFSET 100 LIMIT 10 FOR SHARE OF t1;
|
|
c1 | c1
|
|
-----+-----
|
|
101 | 101
|
|
102 | 102
|
|
103 | 103
|
|
104 | 104
|
|
105 | 105
|
|
106 | 106
|
|
107 | 107
|
|
108 | 108
|
|
109 | 109
|
|
110 | 110
|
|
(10 rows)
|
|
|
|
EXPLAIN (VERBOSE, COSTS OFF)
|
|
SELECT t1.c1, t2.c1 FROM ft1 t1 JOIN ft2 t2 ON (t1.c1 = t2.c1) ORDER BY t1.c3, t1.c1 OFFSET 100 LIMIT 10 FOR SHARE;
|
|
QUERY PLAN
|
|
-----------------------------------------------------------------------------------------------------------------
|
|
Limit
|
|
Output: t1.c1, t2.c1, t1.c3, t1.*, t2.*
|
|
-> Sort
|
|
Output: t1.c1, t2.c1, t1.c3, t1.*, t2.*
|
|
Sort Key: t1.c3, t1.c1
|
|
-> LockRows
|
|
Output: t1.c1, t2.c1, t1.c3, t1.*, t2.*
|
|
-> Hash Join
|
|
Output: t1.c1, t2.c1, t1.c3, t1.*, t2.*
|
|
Hash Cond: (t2.c1 = t1.c1)
|
|
-> Foreign Scan on public.ft2 t2
|
|
Output: t2.c1, t2.*
|
|
Node ID: 1
|
|
Remote SQL: SELECT "C 1", c2, c3, c4, c5, c6, c7, c8 FROM "S 1"."T 1" FOR SHARE
|
|
-> Hash
|
|
Output: t1.c1, t1.c3, t1.*
|
|
-> Foreign Scan on public.ft1 t1
|
|
Output: t1.c1, t1.c3, t1.*
|
|
Node ID: 2
|
|
Remote SQL: SELECT "C 1", c2, c3, c4, c5, c6, c7, c8 FROM "S 1"."T 1" FOR SHARE
|
|
|
|
FDW remote plans:
|
|
Node 1: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT "C 1", c2, c3, c4, c5, c6, c7, c8 FROM "S 1"."T 1" FOR SHARE
|
|
LockRows
|
|
Output: "C 1", c2, c3, c4, c5, c6, c7, c8, ctid
|
|
-> Seq Scan on "S 1"."T 1"
|
|
Output: "C 1", c2, c3, c4, c5, c6, c7, c8, ctid
|
|
Node 2: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT "C 1", c2, c3, c4, c5, c6, c7, c8 FROM "S 1"."T 1" FOR SHARE
|
|
LockRows
|
|
Output: "C 1", c2, c3, c4, c5, c6, c7, c8, ctid
|
|
-> Seq Scan on "S 1"."T 1"
|
|
Output: "C 1", c2, c3, c4, c5, c6, c7, c8, ctid
|
|
|
|
(33 rows)
|
|
|
|
SELECT t1.c1, t2.c1 FROM ft1 t1 JOIN ft2 t2 ON (t1.c1 = t2.c1) ORDER BY t1.c3, t1.c1 OFFSET 100 LIMIT 10 FOR SHARE;
|
|
c1 | c1
|
|
-----+-----
|
|
101 | 101
|
|
102 | 102
|
|
103 | 103
|
|
104 | 104
|
|
105 | 105
|
|
106 | 106
|
|
107 | 107
|
|
108 | 108
|
|
109 | 109
|
|
110 | 110
|
|
(10 rows)
|
|
|
|
-- join in CTE
|
|
EXPLAIN (VERBOSE, COSTS OFF)
|
|
WITH t (c1_1, c1_3, c2_1) AS MATERIALIZED (SELECT t1.c1, t1.c3, t2.c1 FROM ft1 t1 JOIN ft2 t2 ON (t1.c1 = t2.c1)) SELECT c1_1, c2_1 FROM t ORDER BY c1_3, c1_1 OFFSET 100 LIMIT 10;
|
|
QUERY PLAN
|
|
--------------------------------------------------------------------------------------------------------------------------------------------------------
|
|
Limit
|
|
Output: t.c1_1, t.c2_1, t.c1_3
|
|
CTE t
|
|
-> Foreign Scan
|
|
Output: t1.c1, t1.c3, t2.c1
|
|
Node ID: 1
|
|
Relations: (public.ft1 t1) INNER JOIN (public.ft2 t2)
|
|
Remote SQL: SELECT r1."C 1", r1.c3, r2."C 1" FROM ("S 1"."T 1" r1 INNER JOIN "S 1"."T 1" r2 ON (((r1."C 1" = r2."C 1"))))
|
|
-> Sort
|
|
Output: t.c1_1, t.c2_1, t.c1_3
|
|
Sort Key: t.c1_3, t.c1_1
|
|
-> CTE Scan on t
|
|
Output: t.c1_1, t.c2_1, t.c1_3
|
|
|
|
FDW remote plans:
|
|
Node 1: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT r1."C 1", r1.c3, r2."C 1" FROM ("S 1"."T 1" r1 INNER JOIN "S 1"."T 1" r2 ON (((r1."C 1" = r2."C 1"))))
|
|
Hash Join
|
|
Output: r1."C 1", r1.c3, r2."C 1"
|
|
Hash Cond: (r1."C 1" = r2."C 1")
|
|
-> Seq Scan on "S 1"."T 1" r1
|
|
Output: r1."C 1", r1.c2, r1.c3, r1.c4, r1.c5, r1.c6, r1.c7, r1.c8
|
|
-> Hash
|
|
Output: r2."C 1"
|
|
-> Seq Scan on "S 1"."T 1" r2
|
|
Output: r2."C 1"
|
|
|
|
(26 rows)
|
|
|
|
WITH t (c1_1, c1_3, c2_1) AS MATERIALIZED (SELECT t1.c1, t1.c3, t2.c1 FROM ft1 t1 JOIN ft2 t2 ON (t1.c1 = t2.c1)) SELECT c1_1, c2_1 FROM t ORDER BY c1_3, c1_1 OFFSET 100 LIMIT 10;
|
|
c1_1 | c2_1
|
|
------+------
|
|
101 | 101
|
|
102 | 102
|
|
103 | 103
|
|
104 | 104
|
|
105 | 105
|
|
106 | 106
|
|
107 | 107
|
|
108 | 108
|
|
109 | 109
|
|
110 | 110
|
|
(10 rows)
|
|
|
|
-- ctid with whole-row reference, currently, does not support system column
|
|
EXPLAIN (VERBOSE, COSTS OFF)
|
|
SELECT t1.ctid, t1, t2, t1.c1 FROM ft1 t1 JOIN ft2 t2 ON (t1.c1 = t2.c1) ORDER BY t1.c3, t1.c1 OFFSET 100 LIMIT 10;
|
|
ERROR: column t1.ctid does not exist
|
|
LINE 2: SELECT t1.ctid, t1, t2, t1.c1 FROM ft1 t1 JOIN ft2 t2 ON (t1...
|
|
^
|
|
CONTEXT: referenced column: ctid
|
|
-- SEMI JOIN, not pushed down
|
|
EXPLAIN (VERBOSE, COSTS OFF)
|
|
SELECT t1.c1 FROM ft1 t1 WHERE EXISTS (SELECT 1 FROM ft2 t2 WHERE t1.c1 = t2.c1) ORDER BY t1.c1 OFFSET 100 LIMIT 10;
|
|
QUERY PLAN
|
|
------------------------------------------------------------------------
|
|
Limit
|
|
Output: t1.c1
|
|
-> Sort
|
|
Output: t1.c1
|
|
Sort Key: t1.c1
|
|
-> Hash Semi Join
|
|
Output: t1.c1
|
|
Hash Cond: (t1.c1 = t2.c1)
|
|
-> Foreign Scan on public.ft1 t1
|
|
Output: t1.c1
|
|
Node ID: 1
|
|
Remote SQL: SELECT "C 1" FROM "S 1"."T 1"
|
|
-> Hash
|
|
Output: t2.c1
|
|
-> Foreign Scan on public.ft2 t2
|
|
Output: t2.c1
|
|
Node ID: 2
|
|
Remote SQL: SELECT "C 1" FROM "S 1"."T 1"
|
|
|
|
FDW remote plans:
|
|
Node 1: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT "C 1" FROM "S 1"."T 1"
|
|
Seq Scan on "S 1"."T 1"
|
|
Output: "C 1"
|
|
Node 2: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT "C 1" FROM "S 1"."T 1"
|
|
Seq Scan on "S 1"."T 1"
|
|
Output: "C 1"
|
|
|
|
(27 rows)
|
|
|
|
SELECT t1.c1 FROM ft1 t1 WHERE EXISTS (SELECT 1 FROM ft2 t2 WHERE t1.c1 = t2.c1) ORDER BY t1.c1 OFFSET 100 LIMIT 10;
|
|
c1
|
|
-----
|
|
101
|
|
102
|
|
103
|
|
104
|
|
105
|
|
106
|
|
107
|
|
108
|
|
109
|
|
110
|
|
(10 rows)
|
|
|
|
-- ANTI JOIN, not pushed down
|
|
EXPLAIN (VERBOSE, COSTS OFF)
|
|
SELECT t1.c1 FROM ft1 t1 WHERE NOT EXISTS (SELECT 1 FROM ft2 t2 WHERE t1.c1 = t2.c2) ORDER BY t1.c1 OFFSET 100 LIMIT 10;
|
|
QUERY PLAN
|
|
------------------------------------------------------------------------------------------------------
|
|
Limit
|
|
Output: t1.c1
|
|
-> Merge Anti Join
|
|
Output: t1.c1
|
|
Merge Cond: (t1.c1 = t2.c2)
|
|
-> Foreign Scan on public.ft1 t1
|
|
Output: t1.c1
|
|
Node ID: 1
|
|
Remote SQL: SELECT "C 1" FROM "S 1"."T 1" ORDER BY "C 1" ASC NULLS LAST
|
|
-> Materialize
|
|
Output: t2.c2
|
|
-> Foreign Scan on public.ft2 t2
|
|
Output: t2.c2
|
|
Node ID: 2
|
|
Remote SQL: SELECT c2 FROM "S 1"."T 1" ORDER BY c2 ASC NULLS LAST
|
|
|
|
FDW remote plans:
|
|
Node 1: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT "C 1" FROM "S 1"."T 1" ORDER BY "C 1" ASC NULLS LAST
|
|
[Bypass]
|
|
Index Only Scan using t1_pkey on "S 1"."T 1"
|
|
Output: "C 1"
|
|
Node 2: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT c2 FROM "S 1"."T 1" ORDER BY c2 ASC NULLS LAST
|
|
Sort
|
|
Output: c2
|
|
Sort Key: "T 1".c2
|
|
-> Seq Scan on "S 1"."T 1"
|
|
Output: c2
|
|
|
|
(28 rows)
|
|
|
|
SELECT t1.c1 FROM ft1 t1 WHERE NOT EXISTS (SELECT 1 FROM ft2 t2 WHERE t1.c1 = t2.c2) ORDER BY t1.c1 OFFSET 100 LIMIT 10;
|
|
c1
|
|
-----
|
|
110
|
|
111
|
|
112
|
|
113
|
|
114
|
|
115
|
|
116
|
|
117
|
|
118
|
|
119
|
|
(10 rows)
|
|
|
|
-- CROSS JOIN can be pushed down
|
|
EXPLAIN (VERBOSE, COSTS OFF)
|
|
SELECT t1.c1, t2.c1 FROM ft1 t1 CROSS JOIN ft2 t2 ORDER BY t1.c1, t2.c1 OFFSET 100 LIMIT 10;
|
|
QUERY PLAN
|
|
----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
|
|
Foreign Scan
|
|
Output: t1.c1, t2.c1
|
|
Node ID: 1
|
|
Relations: (public.ft1 t1) INNER JOIN (public.ft2 t2)
|
|
Remote SQL: SELECT r1."C 1", r2."C 1" FROM ("S 1"."T 1" r1 INNER JOIN "S 1"."T 1" r2 ON (TRUE)) ORDER BY r1."C 1" ASC NULLS LAST, r2."C 1" ASC NULLS LAST LIMIT 10::bigint OFFSET 100::bigint
|
|
|
|
FDW remote plans:
|
|
Node 1: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT r1."C 1", r2."C 1" FROM ("S 1"."T 1" r1 INNER JOIN "S 1"."T 1" r2 ON (TRUE)) ORDER BY r1."C 1" ASC NULLS LAST, r2."C 1" ASC NULLS LAST LIMIT 10::bigint OFFSET 100::bigint
|
|
Limit
|
|
Output: r1."C 1", r2."C 1"
|
|
-> Sort
|
|
Output: r1."C 1", r2."C 1"
|
|
Sort Key: r1."C 1", r2."C 1"
|
|
-> Nested Loop
|
|
Output: r1."C 1", r2."C 1"
|
|
-> Seq Scan on "S 1"."T 1" r1
|
|
Output: r1."C 1", r1.c2, r1.c3, r1.c4, r1.c5, r1.c6, r1.c7, r1.c8
|
|
-> Materialize
|
|
Output: r2."C 1"
|
|
-> Seq Scan on "S 1"."T 1" r2
|
|
Output: r2."C 1"
|
|
|
|
(22 rows)
|
|
|
|
SELECT t1.c1, t2.c1 FROM ft1 t1 CROSS JOIN ft2 t2 ORDER BY t1.c1, t2.c1 OFFSET 100 LIMIT 10;
|
|
c1 | c1
|
|
----+-----
|
|
1 | 101
|
|
1 | 102
|
|
1 | 103
|
|
1 | 104
|
|
1 | 105
|
|
1 | 106
|
|
1 | 107
|
|
1 | 108
|
|
1 | 109
|
|
1 | 110
|
|
(10 rows)
|
|
|
|
-- different server, not pushed down. No result expected.
|
|
EXPLAIN (VERBOSE, COSTS OFF)
|
|
SELECT t1.c1, t2.c1 FROM ft5 t1 JOIN ft6 t2 ON (t1.c1 = t2.c1) ORDER BY t1.c1, t2.c1 OFFSET 100 LIMIT 10;
|
|
QUERY PLAN
|
|
------------------------------------------------------------------------------------------------
|
|
Limit
|
|
Output: t1.c1, t2.c1
|
|
-> Merge Join
|
|
Output: t1.c1, t2.c1
|
|
Merge Cond: (t1.c1 = t2.c1)
|
|
-> Foreign Scan on public.ft5 t1
|
|
Output: t1.c1
|
|
Node ID: 1
|
|
Remote SQL: SELECT c1 FROM "S 1"."T 4" ORDER BY c1 ASC NULLS LAST
|
|
-> Materialize
|
|
Output: t2.c1
|
|
-> Foreign Scan on public.ft6 t2
|
|
Output: t2.c1
|
|
Node ID: 2
|
|
Remote SQL: SELECT c1 FROM "S 1"."T 4" ORDER BY c1 ASC NULLS LAST
|
|
|
|
FDW remote plans:
|
|
Node 1: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT c1 FROM "S 1"."T 4" ORDER BY c1 ASC NULLS LAST
|
|
Sort
|
|
Output: c1
|
|
Sort Key: "T 4".c1
|
|
-> Seq Scan on "S 1"."T 4"
|
|
Output: c1
|
|
Node 2: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT c1 FROM "S 1"."T 4" ORDER BY c1 ASC NULLS LAST
|
|
Sort
|
|
Output: c1
|
|
Sort Key: "T 4".c1
|
|
-> Seq Scan on "S 1"."T 4"
|
|
Output: c1
|
|
|
|
(30 rows)
|
|
|
|
SELECT t1.c1, t2.c1 FROM ft5 t1 JOIN ft6 t2 ON (t1.c1 = t2.c1) ORDER BY t1.c1, t2.c1 OFFSET 100 LIMIT 10;
|
|
c1 | c1
|
|
----+----
|
|
(0 rows)
|
|
|
|
-- unsafe join conditions (c8 has a UDT), not pushed down. Practically a CROSS
|
|
-- JOIN since c8 in both tables has same value.
|
|
EXPLAIN (VERBOSE, COSTS OFF)
|
|
SELECT t1.c1, t2.c1 FROM ft1 t1 LEFT JOIN ft2 t2 ON (t1.c8 = t2.c8) ORDER BY t1.c1, t2.c1 OFFSET 100 LIMIT 10;
|
|
QUERY PLAN
|
|
----------------------------------------------------------------------------
|
|
Limit
|
|
Output: t1.c1, t2.c1
|
|
-> Sort
|
|
Output: t1.c1, t2.c1
|
|
Sort Key: t1.c1, t2.c1
|
|
-> Hash Left Join
|
|
Output: t1.c1, t2.c1
|
|
Hash Cond: (t1.c8 = t2.c8)
|
|
-> Foreign Scan on public.ft1 t1
|
|
Output: t1.c1, t1.c8
|
|
Node ID: 1
|
|
Remote SQL: SELECT "C 1", c8 FROM "S 1"."T 1"
|
|
-> Hash
|
|
Output: t2.c1, t2.c8
|
|
-> Foreign Scan on public.ft2 t2
|
|
Output: t2.c1, t2.c8
|
|
Node ID: 2
|
|
Remote SQL: SELECT "C 1", c8 FROM "S 1"."T 1"
|
|
|
|
FDW remote plans:
|
|
Node 1: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT "C 1", c8 FROM "S 1"."T 1"
|
|
Seq Scan on "S 1"."T 1"
|
|
Output: "C 1", c8
|
|
Node 2: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT "C 1", c8 FROM "S 1"."T 1"
|
|
Seq Scan on "S 1"."T 1"
|
|
Output: "C 1", c8
|
|
|
|
(27 rows)
|
|
|
|
SELECT t1.c1, t2.c1 FROM ft1 t1 LEFT JOIN ft2 t2 ON (t1.c8 = t2.c8) ORDER BY t1.c1, t2.c1 OFFSET 100 LIMIT 10;
|
|
c1 | c1
|
|
----+-----
|
|
1 | 101
|
|
1 | 102
|
|
1 | 103
|
|
1 | 104
|
|
1 | 105
|
|
1 | 106
|
|
1 | 107
|
|
1 | 108
|
|
1 | 109
|
|
1 | 110
|
|
(10 rows)
|
|
|
|
-- unsafe conditions on one side (c8 has a UDT), not pushed down.
|
|
EXPLAIN (VERBOSE, COSTS OFF)
|
|
SELECT t1.c1, t2.c1 FROM ft1 t1 LEFT JOIN ft2 t2 ON (t1.c1 = t2.c1) WHERE t1.c8 = 'foo' ORDER BY t1.c3, t1.c1 OFFSET 100 LIMIT 10;
|
|
QUERY PLAN
|
|
--------------------------------------------------------------------------------
|
|
Limit
|
|
Output: t1.c1, t2.c1, t1.c3
|
|
-> Sort
|
|
Output: t1.c1, t2.c1, t1.c3
|
|
Sort Key: t1.c3, t1.c1
|
|
-> Hash Left Join
|
|
Output: t1.c1, t2.c1, t1.c3
|
|
Hash Cond: (t1.c1 = t2.c1)
|
|
-> Foreign Scan on public.ft1 t1
|
|
Output: t1.c1, t1.c3
|
|
Filter: (t1.c8 = 'foo'::user_enum)
|
|
Node ID: 1
|
|
Remote SQL: SELECT "C 1", c3, c8 FROM "S 1"."T 1"
|
|
-> Hash
|
|
Output: t2.c1
|
|
-> Foreign Scan on public.ft2 t2
|
|
Output: t2.c1
|
|
Node ID: 2
|
|
Remote SQL: SELECT "C 1" FROM "S 1"."T 1"
|
|
|
|
FDW remote plans:
|
|
Node 1: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT "C 1", c3, c8 FROM "S 1"."T 1"
|
|
Seq Scan on "S 1"."T 1"
|
|
Output: "C 1", c3, c8
|
|
Node 2: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT "C 1" FROM "S 1"."T 1"
|
|
Seq Scan on "S 1"."T 1"
|
|
Output: "C 1"
|
|
|
|
(28 rows)
|
|
|
|
SELECT t1.c1, t2.c1 FROM ft1 t1 LEFT JOIN ft2 t2 ON (t1.c1 = t2.c1) WHERE t1.c8 = 'foo' ORDER BY t1.c3, t1.c1 OFFSET 100 LIMIT 10;
|
|
c1 | c1
|
|
-----+-----
|
|
101 | 101
|
|
102 | 102
|
|
103 | 103
|
|
104 | 104
|
|
105 | 105
|
|
106 | 106
|
|
107 | 107
|
|
108 | 108
|
|
109 | 109
|
|
110 | 110
|
|
(10 rows)
|
|
|
|
-- join where unsafe to pushdown condition in WHERE clause has a column not
|
|
-- in the SELECT clause. In this test unsafe clause needs to have column
|
|
-- references from both joining sides so that the clause is not pushed down
|
|
-- into one of the joining sides.
|
|
EXPLAIN (VERBOSE, COSTS OFF)
|
|
SELECT t1.c1, t2.c1 FROM ft1 t1 JOIN ft2 t2 ON (t1.c1 = t2.c1) WHERE t1.c8 = t2.c8 ORDER BY t1.c3, t1.c1 OFFSET 100 LIMIT 10;
|
|
QUERY PLAN
|
|
----------------------------------------------------------------------------------------------------------------------------------------------------------------------
|
|
Limit
|
|
Output: t1.c1, t2.c1, t1.c3
|
|
-> Sort
|
|
Output: t1.c1, t2.c1, t1.c3
|
|
Sort Key: t1.c3, t1.c1
|
|
-> Foreign Scan
|
|
Output: t1.c1, t2.c1, t1.c3
|
|
Filter: (t1.c8 = t2.c8)
|
|
Node ID: 1
|
|
Relations: (public.ft1 t1) INNER JOIN (public.ft2 t2)
|
|
Remote SQL: SELECT r1."C 1", r1.c3, r2."C 1", r1.c8, r2.c8 FROM ("S 1"."T 1" r1 INNER JOIN "S 1"."T 1" r2 ON (((r1."C 1" = r2."C 1"))))
|
|
|
|
FDW remote plans:
|
|
Node 1: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT r1."C 1", r1.c3, r2."C 1", r1.c8, r2.c8 FROM ("S 1"."T 1" r1 INNER JOIN "S 1"."T 1" r2 ON (((r1."C 1" = r2."C 1"))))
|
|
Hash Join
|
|
Output: r1."C 1", r1.c3, r2."C 1", r1.c8, r2.c8
|
|
Hash Cond: (r1."C 1" = r2."C 1")
|
|
-> Seq Scan on "S 1"."T 1" r1
|
|
Output: r1."C 1", r1.c2, r1.c3, r1.c4, r1.c5, r1.c6, r1.c7, r1.c8
|
|
-> Hash
|
|
Output: r2."C 1", r2.c8
|
|
-> Seq Scan on "S 1"."T 1" r2
|
|
Output: r2."C 1", r2.c8
|
|
|
|
(24 rows)
|
|
|
|
SELECT t1.c1, t2.c1 FROM ft1 t1 JOIN ft2 t2 ON (t1.c1 = t2.c1) WHERE t1.c8 = t2.c8 ORDER BY t1.c3, t1.c1 OFFSET 100 LIMIT 10;
|
|
c1 | c1
|
|
-----+-----
|
|
101 | 101
|
|
102 | 102
|
|
103 | 103
|
|
104 | 104
|
|
105 | 105
|
|
106 | 106
|
|
107 | 107
|
|
108 | 108
|
|
109 | 109
|
|
110 | 110
|
|
(10 rows)
|
|
|
|
-- Aggregate after UNION, for testing setrefs
|
|
EXPLAIN (VERBOSE, COSTS OFF)
|
|
SELECT t1c1, avg(t1c1 + t2c1) FROM (SELECT t1.c1, t2.c1 FROM ft1 t1 JOIN ft2 t2 ON (t1.c1 = t2.c1) UNION SELECT t1.c1, t2.c1 FROM ft1 t1 JOIN ft2 t2 ON (t1.c1 = t2.c1)) AS t (t1c1, t2c1) GROUP BY t1c1 ORDER BY t1c1 OFFSET 100 LIMIT 10;
|
|
QUERY PLAN
|
|
----------------------------------------------------------------------------------------------------------------------------------------------------
|
|
Limit
|
|
Output: t1.c1, (avg((t1.c1 + t2.c1)))
|
|
-> Sort
|
|
Output: t1.c1, (avg((t1.c1 + t2.c1)))
|
|
Sort Key: t1.c1
|
|
-> HashAggregate
|
|
Output: t1.c1, avg((t1.c1 + t2.c1))
|
|
Group By Key: t1.c1
|
|
-> HashAggregate
|
|
Output: t1.c1, t2.c1
|
|
Group By Key: t1.c1, t2.c1
|
|
-> Append
|
|
-> Foreign Scan
|
|
Output: t1.c1, t2.c1
|
|
Node ID: 1
|
|
Relations: (public.ft1 t1) INNER JOIN (public.ft2 t2)
|
|
Remote SQL: SELECT r1."C 1", r2."C 1" FROM ("S 1"."T 1" r1 INNER JOIN "S 1"."T 1" r2 ON (((r1."C 1" = r2."C 1"))))
|
|
-> Foreign Scan
|
|
Output: t1.c1, t2.c1
|
|
Node ID: 2
|
|
Relations: (public.ft1 t1) INNER JOIN (public.ft2 t2)
|
|
Remote SQL: SELECT r1."C 1", r2."C 1" FROM ("S 1"."T 1" r1 INNER JOIN "S 1"."T 1" r2 ON (((r1."C 1" = r2."C 1"))))
|
|
|
|
FDW remote plans:
|
|
Node 1: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT r1."C 1", r2."C 1" FROM ("S 1"."T 1" r1 INNER JOIN "S 1"."T 1" r2 ON (((r1."C 1" = r2."C 1"))))
|
|
Hash Join
|
|
Output: r1."C 1", r2."C 1"
|
|
Hash Cond: (r1."C 1" = r2."C 1")
|
|
-> Seq Scan on "S 1"."T 1" r1
|
|
Output: r1."C 1", r1.c2, r1.c3, r1.c4, r1.c5, r1.c6, r1.c7, r1.c8
|
|
-> Hash
|
|
Output: r2."C 1"
|
|
-> Seq Scan on "S 1"."T 1" r2
|
|
Output: r2."C 1"
|
|
Node 2: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT r1."C 1", r2."C 1" FROM ("S 1"."T 1" r1 INNER JOIN "S 1"."T 1" r2 ON (((r1."C 1" = r2."C 1"))))
|
|
Hash Join
|
|
Output: r1."C 1", r2."C 1"
|
|
Hash Cond: (r1."C 1" = r2."C 1")
|
|
-> Seq Scan on "S 1"."T 1" r1
|
|
Output: r1."C 1", r1.c2, r1.c3, r1.c4, r1.c5, r1.c6, r1.c7, r1.c8
|
|
-> Hash
|
|
Output: r2."C 1"
|
|
-> Seq Scan on "S 1"."T 1" r2
|
|
Output: r2."C 1"
|
|
|
|
(45 rows)
|
|
|
|
SELECT t1c1, avg(t1c1 + t2c1) FROM (SELECT t1.c1, t2.c1 FROM ft1 t1 JOIN ft2 t2 ON (t1.c1 = t2.c1) UNION SELECT t1.c1, t2.c1 FROM ft1 t1 JOIN ft2 t2 ON (t1.c1 = t2.c1)) AS t (t1c1, t2c1) GROUP BY t1c1 ORDER BY t1c1 OFFSET 100 LIMIT 10;
|
|
t1c1 | avg
|
|
------+----------------------
|
|
101 | 202.0000000000000000
|
|
102 | 204.0000000000000000
|
|
103 | 206.0000000000000000
|
|
104 | 208.0000000000000000
|
|
105 | 210.0000000000000000
|
|
106 | 212.0000000000000000
|
|
107 | 214.0000000000000000
|
|
108 | 216.0000000000000000
|
|
109 | 218.0000000000000000
|
|
110 | 220.0000000000000000
|
|
(10 rows)
|
|
|
|
-- join with lateral reference
|
|
EXPLAIN (VERBOSE, COSTS OFF) -- openGauss not support LATERAL
|
|
SELECT t1."C 1" FROM "S 1"."T 1" t1, LATERAL (SELECT DISTINCT t2.c1, t3.c1 FROM ft1 t2, ft2 t3 WHERE t2.c1 = t3.c1 AND t2.c2 = t1.c2) q ORDER BY t1."C 1" OFFSET 10 LIMIT 10;
|
|
ERROR: syntax error at or near "SELECT"
|
|
LINE 2: SELECT t1."C 1" FROM "S 1"."T 1" t1, LATERAL (SELECT DISTINC...
|
|
^
|
|
SELECT t1."C 1" FROM "S 1"."T 1" t1, LATERAL (SELECT DISTINCT t2.c1, t3.c1 FROM ft1 t2, ft2 t3 WHERE t2.c1 = t3.c1 AND t2.c2 = t1.c2) q ORDER BY t1."C 1" OFFSET 10 LIMIT 10;
|
|
ERROR: syntax error at or near "SELECT"
|
|
LINE 1: SELECT t1."C 1" FROM "S 1"."T 1" t1, LATERAL (SELECT DISTINC...
|
|
^
|
|
-- non-Var items in targetlist of the nullable rel of a join preventing
|
|
-- push-down in some cases
|
|
-- unable to push {ft1, ft2}
|
|
EXPLAIN (VERBOSE, COSTS OFF)
|
|
SELECT q.a, ft2.c1 FROM (SELECT 13 FROM ft1 WHERE c1 = 13) q(a) RIGHT JOIN ft2 ON (q.a = ft2.c1) WHERE ft2.c1 BETWEEN 10 AND 15;
|
|
QUERY PLAN
|
|
------------------------------------------------------------------------------------------------------------------------------------------------
|
|
Nested Loop Left Join
|
|
Output: (13), ft2.c1
|
|
Join Filter: (13 = ft2.c1)
|
|
-> Foreign Scan on public.ft2
|
|
Output: ft2.c1
|
|
Node ID: 1
|
|
Remote SQL: SELECT "C 1" FROM "S 1"."T 1" WHERE (("C 1" >= 10)) AND (("C 1" <= 15)) ORDER BY "C 1" ASC NULLS LAST
|
|
-> Materialize
|
|
Output: (13)
|
|
-> Foreign Scan on public.ft1
|
|
Output: 13
|
|
Node ID: 2
|
|
Remote SQL: SELECT NULL FROM "S 1"."T 1" WHERE (("C 1" = 13))
|
|
|
|
FDW remote plans:
|
|
Node 1: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT "C 1" FROM "S 1"."T 1" WHERE (("C 1" >= 10)) AND (("C 1" <= 15)) ORDER BY "C 1" ASC NULLS LAST
|
|
[Bypass]
|
|
Index Only Scan using t1_pkey on "S 1"."T 1"
|
|
Output: "C 1"
|
|
Index Cond: (("T 1"."C 1" >= 10) AND ("T 1"."C 1" <= 15))
|
|
Node 2: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT NULL FROM "S 1"."T 1" WHERE (("C 1" = 13))
|
|
Index Only Scan using t1_pkey on "S 1"."T 1"
|
|
Output: NULL::text
|
|
Index Cond: ("T 1"."C 1" = 13)
|
|
|
|
(25 rows)
|
|
|
|
SELECT q.a, ft2.c1 FROM (SELECT 13 FROM ft1 WHERE c1 = 13) q(a) RIGHT JOIN ft2 ON (q.a = ft2.c1) WHERE ft2.c1 BETWEEN 10 AND 15;
|
|
a | c1
|
|
----+----
|
|
| 10
|
|
| 11
|
|
| 12
|
|
13 | 13
|
|
| 14
|
|
| 15
|
|
(6 rows)
|
|
|
|
-- ok to push {ft1, ft2} but not {ft1, ft2, ft4}
|
|
EXPLAIN (VERBOSE, COSTS OFF)
|
|
SELECT ft4.c1, q.* FROM ft4 LEFT JOIN (SELECT 13, ft1.c1, ft2.c1 FROM ft1 RIGHT JOIN ft2 ON (ft1.c1 = ft2.c1) WHERE ft1.c1 = 12) q(a, b, c) ON (ft4.c1 = q.b) WHERE ft4.c1 BETWEEN 10 AND 15;
|
|
QUERY PLAN
|
|
--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
|
|
Nested Loop Left Join
|
|
Output: ft4.c1, (13), ft1.c1, ft2.c1
|
|
Join Filter: (ft4.c1 = ft1.c1)
|
|
-> Foreign Scan on public.ft4
|
|
Output: ft4.c1
|
|
Node ID: 1
|
|
Remote SQL: SELECT c1 FROM "S 1"."T 3" WHERE ((c1 >= 10)) AND ((c1 <= 15))
|
|
-> Materialize
|
|
Output: ft1.c1, ft2.c1, (13)
|
|
-> Foreign Scan
|
|
Output: ft1.c1, ft2.c1, 13
|
|
Node ID: 2
|
|
Relations: (public.ft1) INNER JOIN (public.ft2)
|
|
Remote SQL: SELECT r4."C 1", r5."C 1" FROM ("S 1"."T 1" r4 INNER JOIN "S 1"."T 1" r5 ON (((r5."C 1" = 12)) AND ((r4."C 1" = 12)))) ORDER BY r4."C 1" ASC NULLS LAST
|
|
|
|
FDW remote plans:
|
|
Node 1: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT c1 FROM "S 1"."T 3" WHERE ((c1 >= 10)) AND ((c1 <= 15))
|
|
Seq Scan on "S 1"."T 3"
|
|
Output: c1
|
|
Filter: (("T 3".c1 >= 10) AND ("T 3".c1 <= 15))
|
|
Node 2: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT r4."C 1", r5."C 1" FROM ("S 1"."T 1" r4 INNER JOIN "S 1"."T 1" r5 ON (((r5."C 1" = 12)) AND ((r4."C 1" = 12)))) ORDER BY r4."C 1" ASC NULLS LAST
|
|
Nested Loop
|
|
Output: r4."C 1", r5."C 1"
|
|
-> Index Only Scan using t1_pkey on "S 1"."T 1" r4
|
|
Output: r4."C 1"
|
|
Index Cond: (r4."C 1" = 12)
|
|
-> Index Only Scan using t1_pkey on "S 1"."T 1" r5
|
|
Output: r5."C 1"
|
|
Index Cond: (r5."C 1" = 12)
|
|
|
|
(30 rows)
|
|
|
|
SELECT ft4.c1, q.* FROM ft4 LEFT JOIN (SELECT 13, ft1.c1, ft2.c1 FROM ft1 RIGHT JOIN ft2 ON (ft1.c1 = ft2.c1) WHERE ft1.c1 = 12) q(a, b, c) ON (ft4.c1 = q.b) WHERE ft4.c1 BETWEEN 10 AND 15;
|
|
c1 | a | b | c
|
|
----+----+----+----
|
|
10 | | |
|
|
12 | 13 | 12 | 12
|
|
14 | | |
|
|
(3 rows)
|
|
|
|
-- join with nullable side with some columns with null values
|
|
UPDATE ft5 SET c3 = null where c1 % 9 = 0;
|
|
EXPLAIN (VERBOSE, COSTS OFF)
|
|
SELECT ft5, ft5.c1, ft5.c2, ft5.c3, ft4.c1, ft4.c2 FROM ft5 left join ft4 on ft5.c1 = ft4.c1 WHERE ft4.c1 BETWEEN 10 and 30 ORDER BY ft5.c1, ft4.c1;
|
|
QUERY PLAN
|
|
----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
|
|
Foreign Scan
|
|
Output: ft5.*, ft5.c1, ft5.c2, ft5.c3, ft4.c1, ft4.c2
|
|
Node ID: 1
|
|
Relations: (public.ft5) INNER JOIN (public.ft4)
|
|
Remote SQL: SELECT CASE WHEN (r1.*)::text IS NOT NULL THEN ROW(r1.c1, r1.c2, r1.c3) END, r1.c1, r1.c2, r1.c3, r2.c1, r2.c2 FROM ("S 1"."T 4" r1 INNER JOIN "S 1"."T 3" r2 ON (((r1.c1 = r2.c1)) AND ((r2.c1 >= 10)) AND ((r2.c1 <= 30)) AND ((r1.c1 >= 10)) AND ((r1.c1 <= 30)))) ORDER BY r1.c1 ASC NULLS LAST
|
|
|
|
FDW remote plans:
|
|
Node 1: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT CASE WHEN (r1.*)::text IS NOT NULL THEN ROW(r1.c1, r1.c2, r1.c3) END, r1.c1, r1.c2, r1.c3, r2.c1, r2.c2 FROM ("S 1"."T 4" r1 INNER JOIN "S 1"."T 3" r2 ON (((r1.c1 = r2.c1)) AND ((r2.c1 >= 10)) AND ((r2.c1 <= 30)) AND ((r1.c1 >= 10)) AND ((r1.c1 <= 30)))) ORDER BY r1.c1 ASC NULLS LAST
|
|
Sort
|
|
Output: (CASE WHEN ((r1.*)::text IS NOT NULL) THEN ROW(r1.c1, r1.c2, r1.c3) ELSE NULL::record END), r1.c1, r1.c2, r1.c3, r2.c1, r2.c2
|
|
Sort Key: r1.c1
|
|
-> Hash Join
|
|
Output: CASE WHEN ((r1.*)::text IS NOT NULL) THEN ROW(r1.c1, r1.c2, r1.c3) ELSE NULL::record END, r1.c1, r1.c2, r1.c3, r2.c1, r2.c2
|
|
Hash Cond: (r2.c1 = r1.c1)
|
|
-> Seq Scan on "S 1"."T 3" r2
|
|
Output: r2.c1, r2.c2, r2.c3
|
|
Filter: ((r2.c1 >= 10) AND (r2.c1 <= 30))
|
|
-> Hash
|
|
Output: r1.*, r1.c1, r1.c2, r1.c3
|
|
-> Seq Scan on "S 1"."T 4" r1
|
|
Output: r1.*, r1.c1, r1.c2, r1.c3
|
|
Filter: ((r1.c1 >= 10) AND (r1.c1 <= 30))
|
|
|
|
(23 rows)
|
|
|
|
SELECT ft5, ft5.c1, ft5.c2, ft5.c3, ft4.c1, ft4.c2 FROM ft5 left join ft4 on ft5.c1 = ft4.c1 WHERE ft4.c1 BETWEEN 10 and 30 ORDER BY ft5.c1, ft4.c1;
|
|
ft5 | c1 | c2 | c3 | c1 | c2
|
|
----------------+----+----+--------+----+----
|
|
(12,13,AAA012) | 12 | 13 | AAA012 | 12 | 13
|
|
(18,19,) | 18 | 19 | | 18 | 19
|
|
(24,25,AAA024) | 24 | 25 | AAA024 | 24 | 25
|
|
(30,31,AAA030) | 30 | 31 | AAA030 | 30 | 31
|
|
(4 rows)
|
|
|
|
-- multi-way join involving multiple merge joins
|
|
-- (this case used to have EPQ-related planning problems)
|
|
CREATE TABLE local_tbl (c1 int NOT NULL, c2 int NOT NULL, c3 text, CONSTRAINT local_tbl_pkey PRIMARY KEY (c1));
|
|
NOTICE: CREATE TABLE / PRIMARY KEY will create implicit index "local_tbl_pkey" for table "local_tbl"
|
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INSERT INTO local_tbl SELECT id, id % 10, to_char(id, 'FM0000') FROM generate_series(1, 1000) id;
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ANALYZE local_tbl;
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SET enable_nestloop TO false;
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SET enable_hashjoin TO false;
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EXPLAIN (VERBOSE, COSTS OFF)
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SELECT * FROM ft1, ft2, ft4, ft5, local_tbl WHERE ft1.c1 = ft2.c1 AND ft1.c2 = ft4.c1
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AND ft1.c2 = ft5.c1 AND ft1.c2 = local_tbl.c1 AND ft1.c1 < 100 AND ft2.c1 < 100 FOR UPDATE;
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QUERY PLAN
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--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
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LockRows
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Output: ft1.c1, ft1.c2, ft1.c3, ft1.c4, ft1.c5, ft1.c6, ft1.c7, ft1.c8, ft2.c1, ft2.c2, ft2.c3, ft2.c4, ft2.c5, ft2.c6, ft2.c7, ft2.c8, ft4.c1, ft4.c2, ft4.c3, ft5.c1, ft5.c2, ft5.c3, local_tbl.c1, local_tbl.c2, local_tbl.c3, local_tbl.ctid, ft1.*, ft2.*, ft4.*, ft5.*
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-> Merge Join
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Output: ft1.c1, ft1.c2, ft1.c3, ft1.c4, ft1.c5, ft1.c6, ft1.c7, ft1.c8, ft2.c1, ft2.c2, ft2.c3, ft2.c4, ft2.c5, ft2.c6, ft2.c7, ft2.c8, ft4.c1, ft4.c2, ft4.c3, ft5.c1, ft5.c2, ft5.c3, local_tbl.c1, local_tbl.c2, local_tbl.c3, local_tbl.ctid, ft1.*, ft2.*, ft4.*, ft5.*
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Merge Cond: (ft2.c1 = ft1.c1)
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-> Foreign Scan on public.ft2
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Output: ft2.c1, ft2.c2, ft2.c3, ft2.c4, ft2.c5, ft2.c6, ft2.c7, ft2.c8, ft2.*
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Node ID: 1
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Remote SQL: SELECT "C 1", c2, c3, c4, c5, c6, c7, c8 FROM "S 1"."T 1" WHERE (("C 1" < 100)) ORDER BY "C 1" ASC NULLS LAST FOR UPDATE
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-> Sort
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Output: ft1.c1, ft1.c2, ft1.c3, ft1.c4, ft1.c5, ft1.c6, ft1.c7, ft1.c8, ft1.*, ft4.c1, ft4.c2, ft4.c3, ft4.*, ft5.c1, ft5.c2, ft5.c3, ft5.*, local_tbl.c1, local_tbl.c2, local_tbl.c3, local_tbl.ctid
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Sort Key: ft1.c1
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-> Merge Join
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Output: ft1.c1, ft1.c2, ft1.c3, ft1.c4, ft1.c5, ft1.c6, ft1.c7, ft1.c8, ft1.*, ft4.c1, ft4.c2, ft4.c3, ft4.*, ft5.c1, ft5.c2, ft5.c3, ft5.*, local_tbl.c1, local_tbl.c2, local_tbl.c3, local_tbl.ctid
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Merge Cond: (ft4.c1 = ft1.c2)
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-> Merge Join
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Output: ft4.c1, ft4.c2, ft4.c3, ft4.*, ft5.c1, ft5.c2, ft5.c3, ft5.*, local_tbl.c1, local_tbl.c2, local_tbl.c3, local_tbl.ctid
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Merge Cond: (ft4.c1 = local_tbl.c1)
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-> Merge Join
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Output: ft4.c1, ft4.c2, ft4.c3, ft4.*, ft5.c1, ft5.c2, ft5.c3, ft5.*
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Merge Cond: (ft4.c1 = ft5.c1)
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-> Sort
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Output: ft4.c1, ft4.c2, ft4.c3, ft4.*
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Sort Key: ft4.c1
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-> Foreign Scan on public.ft4
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Output: ft4.c1, ft4.c2, ft4.c3, ft4.*
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Node ID: 2
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Remote SQL: SELECT c1, c2, c3 FROM "S 1"."T 3" FOR UPDATE
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-> Sort
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Output: ft5.c1, ft5.c2, ft5.c3, ft5.*
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Sort Key: ft5.c1
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-> Foreign Scan on public.ft5
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Output: ft5.c1, ft5.c2, ft5.c3, ft5.*
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Node ID: 3
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Remote SQL: SELECT c1, c2, c3 FROM "S 1"."T 4" FOR UPDATE
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-> Index Scan using local_tbl_pkey on public.local_tbl
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Output: local_tbl.c1, local_tbl.c2, local_tbl.c3, local_tbl.ctid
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-> Sort
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Output: ft1.c1, ft1.c2, ft1.c3, ft1.c4, ft1.c5, ft1.c6, ft1.c7, ft1.c8, ft1.*
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Sort Key: ft1.c2
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-> Foreign Scan on public.ft1
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Output: ft1.c1, ft1.c2, ft1.c3, ft1.c4, ft1.c5, ft1.c6, ft1.c7, ft1.c8, ft1.*
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Node ID: 4
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Remote SQL: SELECT "C 1", c2, c3, c4, c5, c6, c7, c8 FROM "S 1"."T 1" WHERE (("C 1" < 100)) FOR UPDATE
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FDW remote plans:
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Node 1: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT "C 1", c2, c3, c4, c5, c6, c7, c8 FROM "S 1"."T 1" WHERE (("C 1" < 100)) ORDER BY "C 1" ASC NULLS LAST FOR UPDATE
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[Bypass]
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LockRows
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Output: "C 1", c2, c3, c4, c5, c6, c7, c8, ctid
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-> Index Scan using t1_pkey on "S 1"."T 1"
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Output: "C 1", c2, c3, c4, c5, c6, c7, c8, ctid
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Index Cond: ("T 1"."C 1" < 100)
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Node 2: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT c1, c2, c3 FROM "S 1"."T 3" FOR UPDATE
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LockRows
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Output: c1, c2, c3, ctid
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-> Seq Scan on "S 1"."T 3"
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Output: c1, c2, c3, ctid
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Node 3: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT c1, c2, c3 FROM "S 1"."T 4" FOR UPDATE
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LockRows
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Output: c1, c2, c3, ctid
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-> Seq Scan on "S 1"."T 4"
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Output: c1, c2, c3, ctid
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Node 4: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT "C 1", c2, c3, c4, c5, c6, c7, c8 FROM "S 1"."T 1" WHERE (("C 1" < 100)) FOR UPDATE
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[Bypass]
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LockRows
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Output: "C 1", c2, c3, c4, c5, c6, c7, c8, ctid
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-> Index Scan using t1_pkey on "S 1"."T 1"
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Output: "C 1", c2, c3, c4, c5, c6, c7, c8, ctid
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Index Cond: ("T 1"."C 1" < 100)
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(71 rows)
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SELECT * FROM ft1, ft2, ft4, ft5, local_tbl WHERE ft1.c1 = ft2.c1 AND ft1.c2 = ft4.c1
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AND ft1.c2 = ft5.c1 AND ft1.c2 = local_tbl.c1 AND ft1.c1 < 100 AND ft2.c1 < 100 FOR UPDATE;
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c1 | c2 | c3 | c4 | c5 | c6 | c7 | c8 | c1 | c2 | c3 | c4 | c5 | c6 | c7 | c8 | c1 | c2 | c3 | c1 | c2 | c3 | c1 | c2 | c3
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----+----+-------+------------------------------+--------------------------+----+------------+-----+----+----+-------+------------------------------+--------------------------+----+------------+-----+----+----+--------+----+----+--------+----+----+------
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6 | 6 | 00006 | Wed Jan 07 00:00:00 1970 PST | Wed Jan 07 00:00:00 1970 | 6 | 6 | foo | 6 | 6 | 00006 | Wed Jan 07 00:00:00 1970 PST | Wed Jan 07 00:00:00 1970 | 6 | 6 | foo | 6 | 7 | AAA006 | 6 | 7 | AAA006 | 6 | 6 | 0006
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16 | 6 | 00016 | Sat Jan 17 00:00:00 1970 PST | Sat Jan 17 00:00:00 1970 | 6 | 6 | foo | 16 | 6 | 00016 | Sat Jan 17 00:00:00 1970 PST | Sat Jan 17 00:00:00 1970 | 6 | 6 | foo | 6 | 7 | AAA006 | 6 | 7 | AAA006 | 6 | 6 | 0006
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26 | 6 | 00026 | Tue Jan 27 00:00:00 1970 PST | Tue Jan 27 00:00:00 1970 | 6 | 6 | foo | 26 | 6 | 00026 | Tue Jan 27 00:00:00 1970 PST | Tue Jan 27 00:00:00 1970 | 6 | 6 | foo | 6 | 7 | AAA006 | 6 | 7 | AAA006 | 6 | 6 | 0006
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36 | 6 | 00036 | Fri Feb 06 00:00:00 1970 PST | Fri Feb 06 00:00:00 1970 | 6 | 6 | foo | 36 | 6 | 00036 | Fri Feb 06 00:00:00 1970 PST | Fri Feb 06 00:00:00 1970 | 6 | 6 | foo | 6 | 7 | AAA006 | 6 | 7 | AAA006 | 6 | 6 | 0006
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46 | 6 | 00046 | Mon Feb 16 00:00:00 1970 PST | Mon Feb 16 00:00:00 1970 | 6 | 6 | foo | 46 | 6 | 00046 | Mon Feb 16 00:00:00 1970 PST | Mon Feb 16 00:00:00 1970 | 6 | 6 | foo | 6 | 7 | AAA006 | 6 | 7 | AAA006 | 6 | 6 | 0006
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56 | 6 | 00056 | Thu Feb 26 00:00:00 1970 PST | Thu Feb 26 00:00:00 1970 | 6 | 6 | foo | 56 | 6 | 00056 | Thu Feb 26 00:00:00 1970 PST | Thu Feb 26 00:00:00 1970 | 6 | 6 | foo | 6 | 7 | AAA006 | 6 | 7 | AAA006 | 6 | 6 | 0006
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66 | 6 | 00066 | Sun Mar 08 00:00:00 1970 PST | Sun Mar 08 00:00:00 1970 | 6 | 6 | foo | 66 | 6 | 00066 | Sun Mar 08 00:00:00 1970 PST | Sun Mar 08 00:00:00 1970 | 6 | 6 | foo | 6 | 7 | AAA006 | 6 | 7 | AAA006 | 6 | 6 | 0006
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76 | 6 | 00076 | Wed Mar 18 00:00:00 1970 PST | Wed Mar 18 00:00:00 1970 | 6 | 6 | foo | 76 | 6 | 00076 | Wed Mar 18 00:00:00 1970 PST | Wed Mar 18 00:00:00 1970 | 6 | 6 | foo | 6 | 7 | AAA006 | 6 | 7 | AAA006 | 6 | 6 | 0006
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86 | 6 | 00086 | Sat Mar 28 00:00:00 1970 PST | Sat Mar 28 00:00:00 1970 | 6 | 6 | foo | 86 | 6 | 00086 | Sat Mar 28 00:00:00 1970 PST | Sat Mar 28 00:00:00 1970 | 6 | 6 | foo | 6 | 7 | AAA006 | 6 | 7 | AAA006 | 6 | 6 | 0006
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96 | 6 | 00096 | Tue Apr 07 00:00:00 1970 PST | Tue Apr 07 00:00:00 1970 | 6 | 6 | foo | 96 | 6 | 00096 | Tue Apr 07 00:00:00 1970 PST | Tue Apr 07 00:00:00 1970 | 6 | 6 | foo | 6 | 7 | AAA006 | 6 | 7 | AAA006 | 6 | 6 | 0006
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(10 rows)
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RESET enable_nestloop;
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RESET enable_hashjoin;
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DROP TABLE local_tbl;
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-- check join pushdown in situations where multiple userids are involved
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CREATE ROLE regress_view_owner sysadmin password 'QWERT@12345';
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CREATE USER MAPPING FOR regress_view_owner SERVER loopback;
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GRANT SELECT ON ft4 TO regress_view_owner;
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GRANT SELECT ON ft5 TO regress_view_owner;
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CREATE VIEW v4 AS SELECT * FROM ft4;
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CREATE VIEW v5 AS SELECT * FROM ft5;
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ALTER VIEW v5 OWNER TO regress_view_owner;
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EXPLAIN (VERBOSE, COSTS OFF)
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SELECT t1.c1, t2.c2 FROM v4 t1 LEFT JOIN v5 t2 ON (t1.c1 = t2.c1) ORDER BY t1.c1, t2.c1 OFFSET 10 LIMIT 10; -- can't be pushed down, different view owners
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QUERY PLAN
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-------------------------------------------------------------------------
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Limit
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Output: ft4.c1, ft5.c2, ft5.c1
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-> Sort
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Output: ft4.c1, ft5.c2, ft5.c1
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Sort Key: ft4.c1, ft5.c1
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-> Hash Left Join
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Output: ft4.c1, ft5.c2, ft5.c1
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Hash Cond: (ft4.c1 = ft5.c1)
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-> Foreign Scan on public.ft4
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Output: ft4.c1
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Node ID: 1
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Remote SQL: SELECT c1 FROM "S 1"."T 3"
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-> Hash
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Output: ft5.c2, ft5.c1
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-> Foreign Scan on public.ft5
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Output: ft5.c2, ft5.c1
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Node ID: 2
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Remote SQL: SELECT c1, c2 FROM "S 1"."T 4"
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FDW remote plans:
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Node 1: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT c1 FROM "S 1"."T 3"
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Seq Scan on "S 1"."T 3"
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Output: c1
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Node 2: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT c1, c2 FROM "S 1"."T 4"
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Seq Scan on "S 1"."T 4"
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Output: c1, c2
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(27 rows)
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SELECT t1.c1, t2.c2 FROM v4 t1 LEFT JOIN v5 t2 ON (t1.c1 = t2.c1) ORDER BY t1.c1, t2.c1 OFFSET 10 LIMIT 10;
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c1 | c2
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----+----
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22 |
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24 | 25
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26 |
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28 |
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30 | 31
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32 |
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34 |
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36 | 37
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38 |
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40 |
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(10 rows)
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ALTER VIEW v4 OWNER TO regress_view_owner;
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EXPLAIN (VERBOSE, COSTS OFF)
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SELECT t1.c1, t2.c2 FROM v4 t1 LEFT JOIN v5 t2 ON (t1.c1 = t2.c1) ORDER BY t1.c1, t2.c1 OFFSET 10 LIMIT 10; -- can be pushed down
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QUERY PLAN
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----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
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Foreign Scan
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Output: ft4.c1, ft5.c2, ft5.c1
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Node ID: 1
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Relations: (public.ft4) LEFT JOIN (public.ft5)
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Remote SQL: SELECT r6.c1, r9.c2, r9.c1 FROM ("S 1"."T 3" r6 LEFT JOIN "S 1"."T 4" r9 ON (((r6.c1 = r9.c1)))) ORDER BY r6.c1 ASC NULLS LAST, r9.c1 ASC NULLS LAST LIMIT 10::bigint OFFSET 10::bigint
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|
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FDW remote plans:
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Node 1: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT r6.c1, r9.c2, r9.c1 FROM ("S 1"."T 3" r6 LEFT JOIN "S 1"."T 4" r9 ON (((r6.c1 = r9.c1)))) ORDER BY r6.c1 ASC NULLS LAST, r9.c1 ASC NULLS LAST LIMIT 10::bigint OFFSET 10::bigint
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Limit
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Output: r6.c1, r9.c2, r9.c1
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-> Sort
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Output: r6.c1, r9.c2, r9.c1
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Sort Key: r6.c1, r9.c1
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-> Hash Left Join
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Output: r6.c1, r9.c2, r9.c1
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Hash Cond: (r6.c1 = r9.c1)
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-> Seq Scan on "S 1"."T 3" r6
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Output: r6.c1, r6.c2, r6.c3
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-> Hash
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Output: r9.c2, r9.c1
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-> Seq Scan on "S 1"."T 4" r9
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Output: r9.c2, r9.c1
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(23 rows)
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SELECT t1.c1, t2.c2 FROM v4 t1 LEFT JOIN v5 t2 ON (t1.c1 = t2.c1) ORDER BY t1.c1, t2.c1 OFFSET 10 LIMIT 10;
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c1 | c2
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----+----
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22 |
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24 | 25
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26 |
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28 |
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30 | 31
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32 |
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34 |
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36 | 37
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38 |
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40 |
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(10 rows)
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EXPLAIN (VERBOSE, COSTS OFF)
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SELECT t1.c1, t2.c2 FROM v4 t1 LEFT JOIN ft5 t2 ON (t1.c1 = t2.c1) ORDER BY t1.c1, t2.c1 OFFSET 10 LIMIT 10; -- can't be pushed down, view owner not current user
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QUERY PLAN
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-------------------------------------------------------------------------
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Limit
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Output: ft4.c1, t2.c2, t2.c1
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-> Sort
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Output: ft4.c1, t2.c2, t2.c1
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Sort Key: ft4.c1, t2.c1
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-> Hash Left Join
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Output: ft4.c1, t2.c2, t2.c1
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Hash Cond: (ft4.c1 = t2.c1)
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-> Foreign Scan on public.ft4
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Output: ft4.c1
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Node ID: 1
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Remote SQL: SELECT c1 FROM "S 1"."T 3"
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-> Hash
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Output: t2.c2, t2.c1
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-> Foreign Scan on public.ft5 t2
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Output: t2.c2, t2.c1
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Node ID: 2
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Remote SQL: SELECT c1, c2 FROM "S 1"."T 4"
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FDW remote plans:
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Node 1: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT c1 FROM "S 1"."T 3"
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Seq Scan on "S 1"."T 3"
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Output: c1
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Node 2: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT c1, c2 FROM "S 1"."T 4"
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Seq Scan on "S 1"."T 4"
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Output: c1, c2
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(27 rows)
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SELECT t1.c1, t2.c2 FROM v4 t1 LEFT JOIN ft5 t2 ON (t1.c1 = t2.c1) ORDER BY t1.c1, t2.c1 OFFSET 10 LIMIT 10;
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c1 | c2
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----+----
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22 |
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24 | 25
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26 |
|
|
28 |
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30 | 31
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32 |
|
|
34 |
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36 | 37
|
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38 |
|
|
40 |
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(10 rows)
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ALTER VIEW v4 OWNER TO regress_view_owner;
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-- PlaceHolder
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explain(verbose, costs off) select * from ft1 t1 left join (select c1, case when c2 is not null then 1 else 0 end as cc from ft2) t2 on t1.c1 = t2.c1;
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QUERY PLAN
|
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------------------------------------------------------------------------------------------------------------------------------
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Hash Left Join
|
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Output: t1.c1, t1.c2, t1.c3, t1.c4, t1.c5, t1.c6, t1.c7, t1.c8, ft2.c1, (CASE WHEN (ft2.c2 IS NOT NULL) THEN 1 ELSE 0 END)
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Hash Cond: (t1.c1 = ft2.c1)
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-> Foreign Scan on public.ft1 t1
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Output: t1.c1, t1.c2, t1.c3, t1.c4, t1.c5, t1.c6, t1.c7, t1.c8
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Node ID: 1
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Remote SQL: SELECT "C 1", c2, c3, c4, c5, c6, c7, c8 FROM "S 1"."T 1"
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-> Hash
|
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Output: ft2.c1, (CASE WHEN (ft2.c2 IS NOT NULL) THEN 1 ELSE 0 END)
|
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-> Foreign Scan on public.ft2
|
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Output: ft2.c1, CASE WHEN (ft2.c2 IS NOT NULL) THEN 1 ELSE 0 END
|
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Node ID: 2
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Remote SQL: SELECT "C 1", c2 FROM "S 1"."T 1"
|
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|
|
FDW remote plans:
|
|
Node 1: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT "C 1", c2, c3, c4, c5, c6, c7, c8 FROM "S 1"."T 1"
|
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Seq Scan on "S 1"."T 1"
|
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Output: "C 1", c2, c3, c4, c5, c6, c7, c8
|
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Node 2: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT "C 1", c2 FROM "S 1"."T 1"
|
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Seq Scan on "S 1"."T 1"
|
|
Output: "C 1", c2
|
|
|
|
(22 rows)
|
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|
|
-- cleanup
|
|
DROP OWNED BY regress_view_owner;
|
|
DROP ROLE regress_view_owner;
|
|
-- ======================================================================================================================================
|
|
-- TEST-MODULE: Aggregate and grouping queries
|
|
-- --------------------------------------
|
|
-- openGauss not support filter
|
|
-- ======================================================================================================================================
|
|
-- Simple aggregates
|
|
explain (verbose, costs off)
|
|
select count(c6), sum(c1), avg(c1), min(c2), max(c1), stddev(c2), sum(c1) * (random() <= 1)::int as sum2 from ft1 where c2 < 5 group by c2 order by 1, 2;
|
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QUERY PLAN
|
|
----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
|
|
Foreign Scan
|
|
Output: (count(c6)), (sum(c1)), (avg(c1)), (min(c2)), (max(c1)), (stddev(c2)), ((sum(c1)) * ((random() <= 1::double precision))::integer), c2
|
|
Node ID: 1
|
|
Relations: Aggregate on (public.ft1)
|
|
Remote SQL: SELECT count(c6), sum("C 1"), avg("C 1"), min(c2), max("C 1"), stddev(c2), c2 FROM "S 1"."T 1" WHERE ((c2 < 5)) GROUP BY 7 ORDER BY count(c6) ASC NULLS LAST, sum("C 1") ASC NULLS LAST
|
|
|
|
FDW remote plans:
|
|
Node 1: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT count(c6), sum("C 1"), avg("C 1"), min(c2), max("C 1"), stddev(c2), c2 FROM "S 1"."T 1" WHERE ((c2 < 5)) GROUP BY 7 ORDER BY count(c6) ASC NULLS LAST, sum("C 1") ASC NULLS LAST
|
|
Sort
|
|
Output: (count(c6)), (sum("C 1")), (avg("C 1")), (min(c2)), (max("C 1")), (stddev(c2)), c2
|
|
Sort Key: (count("T 1".c6)), (sum("T 1"."C 1"))
|
|
-> HashAggregate
|
|
Output: count(c6), sum("C 1"), avg("C 1"), min(c2), max("C 1"), stddev(c2), c2
|
|
Group By Key: "T 1".c2
|
|
-> Seq Scan on "S 1"."T 1"
|
|
Output: c2, c6, "C 1"
|
|
Filter: ("T 1".c2 < 5)
|
|
|
|
(18 rows)
|
|
|
|
select count(c6), sum(c1), avg(c1), min(c2), max(c1), stddev(c2), sum(c1) * (random() <= 1)::int as sum2 from ft1 where c2 < 5 group by c2 order by 1, 2;
|
|
count | sum | avg | min | max | stddev | sum2
|
|
-------+-------+----------------------+-----+------+--------+-------
|
|
100 | 49600 | 496.0000000000000000 | 1 | 991 | 0 | 49600
|
|
100 | 49700 | 497.0000000000000000 | 2 | 992 | 0 | 49700
|
|
100 | 49800 | 498.0000000000000000 | 3 | 993 | 0 | 49800
|
|
100 | 49900 | 499.0000000000000000 | 4 | 994 | 0 | 49900
|
|
100 | 50500 | 505.0000000000000000 | 0 | 1000 | 0 | 50500
|
|
(5 rows)
|
|
|
|
explain (verbose, costs off)
|
|
select count(c6), sum(c1), avg(c1), min(c2), max(c1), stddev(c2), sum(c1) * (random() <= 1)::int as sum2 from ft1 where c2 < 5 group by c2 order by 1, 2 limit 1;
|
|
QUERY PLAN
|
|
--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
|
|
Foreign Scan
|
|
Output: (count(c6)), (sum(c1)), (avg(c1)), (min(c2)), (max(c1)), (stddev(c2)), ((sum(c1)) * ((random() <= 1::double precision))::integer), c2
|
|
Node ID: 1
|
|
Relations: Aggregate on (public.ft1)
|
|
Remote SQL: SELECT count(c6), sum("C 1"), avg("C 1"), min(c2), max("C 1"), stddev(c2), c2 FROM "S 1"."T 1" WHERE ((c2 < 5)) GROUP BY 7 ORDER BY count(c6) ASC NULLS LAST, sum("C 1") ASC NULLS LAST LIMIT 1::bigint
|
|
|
|
FDW remote plans:
|
|
Node 1: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT count(c6), sum("C 1"), avg("C 1"), min(c2), max("C 1"), stddev(c2), c2 FROM "S 1"."T 1" WHERE ((c2 < 5)) GROUP BY 7 ORDER BY count(c6) ASC NULLS LAST, sum("C 1") ASC NULLS LAST LIMIT 1::bigint
|
|
Limit
|
|
Output: (count(c6)), (sum("C 1")), (avg("C 1")), (min(c2)), (max("C 1")), (stddev(c2)), c2
|
|
-> Sort
|
|
Output: (count(c6)), (sum("C 1")), (avg("C 1")), (min(c2)), (max("C 1")), (stddev(c2)), c2
|
|
Sort Key: (count("T 1".c6)), (sum("T 1"."C 1"))
|
|
-> HashAggregate
|
|
Output: count(c6), sum("C 1"), avg("C 1"), min(c2), max("C 1"), stddev(c2), c2
|
|
Group By Key: "T 1".c2
|
|
-> Seq Scan on "S 1"."T 1"
|
|
Output: c2, c6, "C 1"
|
|
Filter: ("T 1".c2 < 5)
|
|
|
|
(20 rows)
|
|
|
|
select count(c6), sum(c1), avg(c1), min(c2), max(c1), stddev(c2), sum(c1) * (random() <= 1)::int as sum2 from ft1 where c2 < 5 group by c2 order by 1, 2 limit 1;
|
|
count | sum | avg | min | max | stddev | sum2
|
|
-------+-------+----------------------+-----+-----+--------+-------
|
|
100 | 49600 | 496.0000000000000000 | 1 | 991 | 0 | 49600
|
|
(1 row)
|
|
|
|
-- Aggregate is not pushed down as aggregation contains random()
|
|
explain (verbose, costs off)
|
|
select sum(c1 * (random() <= 1)::int) as sum, avg(c1) from ft1;
|
|
QUERY PLAN
|
|
-----------------------------------------------------------------------------
|
|
Aggregate
|
|
Output: sum((c1 * ((random() <= 1::double precision))::integer)), avg(c1)
|
|
-> Foreign Scan on public.ft1
|
|
Output: c1
|
|
Node ID: 1
|
|
Remote SQL: SELECT "C 1" FROM "S 1"."T 1"
|
|
|
|
FDW remote plans:
|
|
Node 1: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT "C 1" FROM "S 1"."T 1"
|
|
Seq Scan on "S 1"."T 1"
|
|
Output: "C 1"
|
|
|
|
(12 rows)
|
|
|
|
-- Aggregate over join query
|
|
explain (verbose, costs off)
|
|
select count(*), sum(t1.c1), avg(t2.c1) from ft1 t1 inner join ft1 t2 on (t1.c2 = t2.c2) where t1.c2 = 6;
|
|
QUERY PLAN
|
|
-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------
|
|
Foreign Scan
|
|
Output: (count(*)), (sum(t1.c1)), (avg(t2.c1))
|
|
Node ID: 1
|
|
Relations: Aggregate on ((public.ft1 t1) INNER JOIN (public.ft1 t2))
|
|
Remote SQL: SELECT count(*), sum(r1."C 1"), avg(r2."C 1") FROM ("S 1"."T 1" r1 INNER JOIN "S 1"."T 1" r2 ON (((r2.c2 = 6)) AND ((r1.c2 = 6))))
|
|
|
|
FDW remote plans:
|
|
Node 1: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT count(*), sum(r1."C 1"), avg(r2."C 1") FROM ("S 1"."T 1" r1 INNER JOIN "S 1"."T 1" r2 ON (((r2.c2 = 6)) AND ((r1.c2 = 6))))
|
|
Aggregate
|
|
Output: count(*), sum(r1."C 1"), avg(r2."C 1")
|
|
-> Nested Loop
|
|
Output: r1."C 1", r2."C 1"
|
|
-> Seq Scan on "S 1"."T 1" r1
|
|
Output: r1."C 1", r1.c2, r1.c3, r1.c4, r1.c5, r1.c6, r1.c7, r1.c8
|
|
Filter: (r1.c2 = 6)
|
|
-> Materialize
|
|
Output: r2."C 1"
|
|
-> Seq Scan on "S 1"."T 1" r2
|
|
Output: r2."C 1"
|
|
Filter: (r2.c2 = 6)
|
|
|
|
(21 rows)
|
|
|
|
select count(*), sum(t1.c1), avg(t2.c1) from ft1 t1 inner join ft1 t2 on (t1.c2 = t2.c2) where t1.c2 = 6;
|
|
count | sum | avg
|
|
-------+---------+----------------------
|
|
10000 | 5010000 | 501.0000000000000000
|
|
(1 row)
|
|
|
|
-- Not pushed down due to local conditions present in underneath input rel
|
|
explain (verbose, costs off)
|
|
select sum(t1.c1), count(t2.c1) from ft1 t1 inner join ft2 t2 on (t1.c1 = t2.c1) where ((t1.c1 * t2.c1)/(t1.c1 * t2.c1)) * random() <= 1;
|
|
QUERY PLAN
|
|
-------------------------------------------------------------------------------------------------------------------------------------------------
|
|
Aggregate
|
|
Output: sum(t1.c1), count(t2.c1)
|
|
-> Foreign Scan
|
|
Output: t1.c1, t2.c1
|
|
Filter: ((((t1.c1 * t2.c1) / (t1.c1 * t2.c1)) * random()) <= 1::double precision)
|
|
Node ID: 1
|
|
Relations: (public.ft1 t1) INNER JOIN (public.ft2 t2)
|
|
Remote SQL: SELECT r1."C 1", r2."C 1" FROM ("S 1"."T 1" r1 INNER JOIN "S 1"."T 1" r2 ON (((r1."C 1" = r2."C 1"))))
|
|
|
|
FDW remote plans:
|
|
Node 1: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT r1."C 1", r2."C 1" FROM ("S 1"."T 1" r1 INNER JOIN "S 1"."T 1" r2 ON (((r1."C 1" = r2."C 1"))))
|
|
Hash Join
|
|
Output: r1."C 1", r2."C 1"
|
|
Hash Cond: (r1."C 1" = r2."C 1")
|
|
-> Seq Scan on "S 1"."T 1" r1
|
|
Output: r1."C 1", r1.c2, r1.c3, r1.c4, r1.c5, r1.c6, r1.c7, r1.c8
|
|
-> Hash
|
|
Output: r2."C 1"
|
|
-> Seq Scan on "S 1"."T 1" r2
|
|
Output: r2."C 1"
|
|
|
|
(21 rows)
|
|
|
|
-- GROUP BY clause having expressions
|
|
explain (verbose, costs off)
|
|
select c2/2, sum(c2) * (c2/2) from ft1 group by c2/2 order by c2/2;
|
|
QUERY PLAN
|
|
---------------------------------------------------------------------------------------------------------------------------------------------
|
|
Foreign Scan
|
|
Output: ((c2 / 2)), (((sum(c2))::double precision * (c2 / 2)))
|
|
Node ID: 1
|
|
Relations: Aggregate on (public.ft1)
|
|
Remote SQL: SELECT (c2 / 2), (sum(c2) * (c2 / 2)) FROM "S 1"."T 1" GROUP BY 1 ORDER BY (c2 / 2) ASC NULLS LAST
|
|
|
|
FDW remote plans:
|
|
Node 1: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT (c2 / 2), (sum(c2) * (c2 / 2)) FROM "S 1"."T 1" GROUP BY 1 ORDER BY (c2 / 2) ASC NULLS LAST
|
|
Sort
|
|
Output: ((c2 / 2)), (((sum(c2))::double precision * ((c2 / 2))))
|
|
Sort Key: (("T 1".c2 / 2))
|
|
-> HashAggregate
|
|
Output: ((c2 / 2)), ((sum(c2))::double precision * ((c2 / 2)))
|
|
Group By Key: ("T 1".c2 / 2)
|
|
-> Seq Scan on "S 1"."T 1"
|
|
Output: (c2 / 2), c2
|
|
|
|
(17 rows)
|
|
|
|
select c2/2, sum(c2) * (c2/2) from ft1 group by c2/2 order by c2/2;
|
|
?column? | ?column?
|
|
----------+----------
|
|
0 | 0
|
|
.5 | 50
|
|
1 | 200
|
|
1.5 | 450
|
|
2 | 800
|
|
2.5 | 1250
|
|
3 | 1800
|
|
3.5 | 2450
|
|
4 | 3200
|
|
4.5 | 4050
|
|
(10 rows)
|
|
|
|
-- Aggregates in subquery are pushed down.
|
|
explain (verbose, costs off)
|
|
select count(x.a), sum(x.a) from (select c2 a, sum(c1) b from ft1 group by c2, sqrt(c1) order by 1, 2) x;
|
|
QUERY PLAN
|
|
------------------------------------------------------------------------------------------------------------------------------------------------------------------
|
|
Aggregate
|
|
Output: count(ft1.c2), sum(ft1.c2)
|
|
-> Foreign Scan
|
|
Output: ft1.c2, (sum(ft1.c1)), (sqrt((ft1.c1)::double precision))
|
|
Node ID: 1
|
|
Relations: Aggregate on (public.ft1)
|
|
Remote SQL: SELECT c2, sum("C 1"), sqrt("C 1") FROM "S 1"."T 1" GROUP BY 1, 3 ORDER BY c2 ASC NULLS LAST, sum("C 1") ASC NULLS LAST
|
|
|
|
FDW remote plans:
|
|
Node 1: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT c2, sum("C 1"), sqrt("C 1") FROM "S 1"."T 1" GROUP BY 1, 3 ORDER BY c2 ASC NULLS LAST, sum("C 1") ASC NULLS LAST
|
|
Sort
|
|
Output: c2, (sum("C 1")), (sqrt(("C 1")::double precision))
|
|
Sort Key: "T 1".c2, (sum("T 1"."C 1"))
|
|
-> HashAggregate
|
|
Output: c2, sum("C 1"), (sqrt(("C 1")::double precision))
|
|
Group By Key: "T 1".c2, sqrt(("T 1"."C 1")::double precision)
|
|
-> Seq Scan on "S 1"."T 1"
|
|
Output: c2, sqrt(("C 1")::double precision), "C 1"
|
|
|
|
(19 rows)
|
|
|
|
select count(x.a), sum(x.a) from (select c2 a, sum(c1) b from ft1 group by c2, sqrt(c1) order by 1, 2) x;
|
|
count | sum
|
|
-------+------
|
|
1000 | 4500
|
|
(1 row)
|
|
|
|
-- Aggregate is still pushed down by taking unshippable expression out
|
|
explain (verbose, costs off)
|
|
select c2 * (random() <= 1)::int as sum1, sum(c1) * c2 as sum2 from ft1 group by c2 order by 1, 2;
|
|
QUERY PLAN
|
|
-------------------------------------------------------------------------------------------------
|
|
Sort
|
|
Output: ((c2 * ((random() <= 1::double precision))::integer)), ((sum(c1) * c2)), c2
|
|
Sort Key: ((ft1.c2 * ((random() <= 1::double precision))::integer)), ((sum(ft1.c1) * ft1.c2))
|
|
-> HashAggregate
|
|
Output: (c2 * ((random() <= 1::double precision))::integer), (sum(c1) * c2), c2
|
|
Group By Key: ft1.c2
|
|
-> Foreign Scan on public.ft1
|
|
Output: c2, c1
|
|
Node ID: 1
|
|
Remote SQL: SELECT "C 1", c2 FROM "S 1"."T 1"
|
|
|
|
FDW remote plans:
|
|
Node 1: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT "C 1", c2 FROM "S 1"."T 1"
|
|
Seq Scan on "S 1"."T 1"
|
|
Output: "C 1", c2
|
|
|
|
(16 rows)
|
|
|
|
select c2 * (random() <= 1)::int as sum1, sum(c1) * c2 as sum2 from ft1 group by c2 order by 1, 2;
|
|
sum1 | sum2
|
|
------+--------
|
|
0 | 0
|
|
1 | 49600
|
|
2 | 99400
|
|
3 | 149400
|
|
4 | 199600
|
|
5 | 250000
|
|
6 | 300600
|
|
7 | 351400
|
|
8 | 402400
|
|
9 | 453600
|
|
(10 rows)
|
|
|
|
-- Aggregate with unshippable GROUP BY clause are not pushed
|
|
explain (verbose, costs off)
|
|
select c2 * (random() <= 1)::int as c2 from ft2 group by c2 * (random() <= 1)::int order by 1;
|
|
QUERY PLAN
|
|
-----------------------------------------------------------------------------
|
|
Group
|
|
Output: ((c2 * ((random() <= 1::double precision))::integer))
|
|
Group By Key: ((ft2.c2 * ((random() <= 1::double precision))::integer))
|
|
-> Sort
|
|
Output: ((c2 * ((random() <= 1::double precision))::integer))
|
|
Sort Key: ((ft2.c2 * ((random() <= 1::double precision))::integer))
|
|
-> Foreign Scan on public.ft2
|
|
Output: (c2 * ((random() <= 1::double precision))::integer)
|
|
Node ID: 1
|
|
Remote SQL: SELECT c2 FROM "S 1"."T 1"
|
|
|
|
FDW remote plans:
|
|
Node 1: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT c2 FROM "S 1"."T 1"
|
|
Seq Scan on "S 1"."T 1"
|
|
Output: c2
|
|
|
|
(16 rows)
|
|
|
|
-- GROUP BY clause in various forms, cardinal, alias and constant expression
|
|
explain (verbose, costs off)
|
|
select count(c2) w, c2 x, 5 y, 7.0 z from ft1 group by 2, y, 9.0::int order by 2;
|
|
QUERY PLAN
|
|
---------------------------------------------------------------------------------------------------------------------------------------
|
|
Foreign Scan
|
|
Output: (count(c2)), c2, (5), (7.0), (9)
|
|
Node ID: 1
|
|
Relations: Aggregate on (public.ft1)
|
|
Remote SQL: SELECT count(c2), c2, 5, 7.0, 9 FROM "S 1"."T 1" GROUP BY 2, 3, 5 ORDER BY c2 ASC NULLS LAST
|
|
|
|
FDW remote plans:
|
|
Node 1: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT count(c2), c2, 5, 7.0, 9 FROM "S 1"."T 1" GROUP BY 2, 3, 5 ORDER BY c2 ASC NULLS LAST
|
|
Sort
|
|
Output: (count(c2)), c2, (5), (7.0), (9)
|
|
Sort Key: "T 1".c2
|
|
-> HashAggregate
|
|
Output: count(c2), c2, (5), 7.0, (9)
|
|
Group By Key: "T 1".c2, 5, 9
|
|
-> Seq Scan on "S 1"."T 1"
|
|
Output: c2, 5, 9
|
|
|
|
(17 rows)
|
|
|
|
select count(c2) w, c2 x, 5 y, 7.0 z from ft1 group by 2, y, 9.0::int order by 2;
|
|
w | x | y | z
|
|
-----+---+---+-----
|
|
100 | 0 | 5 | 7.0
|
|
100 | 1 | 5 | 7.0
|
|
100 | 2 | 5 | 7.0
|
|
100 | 3 | 5 | 7.0
|
|
100 | 4 | 5 | 7.0
|
|
100 | 5 | 5 | 7.0
|
|
100 | 6 | 5 | 7.0
|
|
100 | 7 | 5 | 7.0
|
|
100 | 8 | 5 | 7.0
|
|
100 | 9 | 5 | 7.0
|
|
(10 rows)
|
|
|
|
-- GROUP BY clause referring to same column multiple times
|
|
-- Also, ORDER BY contains an aggregate function
|
|
explain (verbose, costs off)
|
|
select c2, c2 from ft1 where c2 > 6 group by 1, 2 order by sum(c1);
|
|
QUERY PLAN
|
|
-------------------------------------------------------------------------------------------------------------------------------------------------------
|
|
Foreign Scan
|
|
Output: c2, c2, (sum(c1))
|
|
Node ID: 1
|
|
Relations: Aggregate on (public.ft1)
|
|
Remote SQL: SELECT c2, c2, sum("C 1") FROM "S 1"."T 1" WHERE ((c2 > 6)) GROUP BY 1, 2 ORDER BY sum("C 1") ASC NULLS LAST
|
|
|
|
FDW remote plans:
|
|
Node 1: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT c2, c2, sum("C 1") FROM "S 1"."T 1" WHERE ((c2 > 6)) GROUP BY 1, 2 ORDER BY sum("C 1") ASC NULLS LAST
|
|
Sort
|
|
Output: c2, c2, (sum("C 1"))
|
|
Sort Key: (sum("T 1"."C 1"))
|
|
-> HashAggregate
|
|
Output: c2, c2, sum("C 1")
|
|
Group By Key: "T 1".c2, "T 1".c2
|
|
-> Seq Scan on "S 1"."T 1"
|
|
Output: c2, "C 1"
|
|
Filter: ("T 1".c2 > 6)
|
|
|
|
(18 rows)
|
|
|
|
select c2, c2 from ft1 where c2 > 6 group by 1, 2 order by sum(c1);
|
|
c2 | c2
|
|
----+----
|
|
7 | 7
|
|
8 | 8
|
|
9 | 9
|
|
(3 rows)
|
|
|
|
-- Testing HAVING clause shippability
|
|
explain (verbose, costs off)
|
|
select c2, sum(c1) from ft2 group by c2 having avg(c1) < 500 and sum(c1) < 49800 order by c2;
|
|
QUERY PLAN
|
|
---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
|
|
Foreign Scan
|
|
Output: c2, (sum(c1))
|
|
Node ID: 1
|
|
Relations: Aggregate on (public.ft2)
|
|
Remote SQL: SELECT c2, sum("C 1") FROM "S 1"."T 1" GROUP BY 1 HAVING ((avg("C 1") < 500::numeric)) AND ((sum("C 1") < 49800)) ORDER BY c2 ASC NULLS LAST
|
|
|
|
FDW remote plans:
|
|
Node 1: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT c2, sum("C 1") FROM "S 1"."T 1" GROUP BY 1 HAVING ((avg("C 1") < 500::numeric)) AND ((sum("C 1") < 49800)) ORDER BY c2 ASC NULLS LAST
|
|
Sort
|
|
Output: c2, (sum("C 1"))
|
|
Sort Key: "T 1".c2
|
|
-> HashAggregate
|
|
Output: c2, sum("C 1")
|
|
Group By Key: "T 1".c2
|
|
Filter: ((avg("T 1"."C 1") < 500::numeric) AND (sum("T 1"."C 1") < 49800))
|
|
-> Seq Scan on "S 1"."T 1"
|
|
Output: c2, "C 1"
|
|
|
|
(18 rows)
|
|
|
|
select c2, sum(c1) from ft2 group by c2 having avg(c1) < 500 and sum(c1) < 49800 order by c2;
|
|
c2 | sum
|
|
----+-------
|
|
1 | 49600
|
|
2 | 49700
|
|
(2 rows)
|
|
|
|
-- Unshippable HAVING clause will be evaluated locally, and other qual in HAVING clause is pushed down
|
|
explain (verbose, costs off)
|
|
select count(*) from (select c5, count(c1) from ft1 group by c5, sqrt(c2) having (avg(c1) / avg(c1)) * random() <= 1 and avg(c1) < 500) x;
|
|
QUERY PLAN
|
|
------------------------------------------------------------------------------------------------------------------------------------------------------------
|
|
Aggregate
|
|
Output: count(*)
|
|
-> Foreign Scan
|
|
Output: ft1.c5, (count(ft1.c1)), (sqrt((ft1.c2)::double precision))
|
|
Filter: (((((avg(ft1.c1)) / (avg(ft1.c1))))::double precision * random()) <= 1::double precision)
|
|
Node ID: 1
|
|
Relations: Aggregate on (public.ft1)
|
|
Remote SQL: SELECT c5, count("C 1"), sqrt(c2), avg("C 1") FROM "S 1"."T 1" GROUP BY 1, 3 HAVING ((avg("C 1") < 500::numeric))
|
|
|
|
FDW remote plans:
|
|
Node 1: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT c5, count("C 1"), sqrt(c2), avg("C 1") FROM "S 1"."T 1" GROUP BY 1, 3 HAVING ((avg("C 1") < 500::numeric))
|
|
HashAggregate
|
|
Output: c5, count("C 1"), (sqrt((c2)::double precision)), avg("C 1")
|
|
Group By Key: "T 1".c5, sqrt(("T 1".c2)::double precision)
|
|
Filter: (avg("T 1"."C 1") < 500::numeric)
|
|
-> Seq Scan on "S 1"."T 1"
|
|
Output: c5, sqrt((c2)::double precision), "C 1"
|
|
|
|
(18 rows)
|
|
|
|
select count(*) from (select c5, count(c1) from ft1 group by c5, sqrt(c2) having (avg(c1) / avg(c1)) * random() <= 1 and avg(c1) < 500) x;
|
|
count
|
|
-------
|
|
49
|
|
(1 row)
|
|
|
|
-- Aggregate in HAVING clause is not pushable, and thus aggregation is not pushed down
|
|
explain (verbose, costs off)
|
|
select sum(c1) from ft1 group by c2 having avg(c1 * (random() <= 1)::int) > 100 order by 1;
|
|
QUERY PLAN
|
|
-----------------------------------------------------------------------------------------------
|
|
Sort
|
|
Output: (sum(c1)), c2
|
|
Sort Key: (sum(ft1.c1))
|
|
-> HashAggregate
|
|
Output: sum(c1), c2
|
|
Group By Key: ft1.c2
|
|
Filter: (avg((ft1.c1 * ((random() <= 1::double precision))::integer)) > 100::numeric)
|
|
-> Foreign Scan on public.ft1
|
|
Output: c2, c1
|
|
Node ID: 1
|
|
Remote SQL: SELECT "C 1", c2 FROM "S 1"."T 1"
|
|
|
|
FDW remote plans:
|
|
Node 1: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT "C 1", c2 FROM "S 1"."T 1"
|
|
Seq Scan on "S 1"."T 1"
|
|
Output: "C 1", c2
|
|
|
|
(17 rows)
|
|
|
|
-- Remote aggregate in combination with a local Param (for the output
|
|
-- of an initplan) can be trouble, per bug #15781
|
|
explain (verbose, costs off)
|
|
select exists(select 1 from pg_enum), sum(c1) from ft1;
|
|
QUERY PLAN
|
|
-----------------------------------------------------------------------------
|
|
Foreign Scan
|
|
Output: $0, (sum(ft1.c1))
|
|
Node ID: 1
|
|
Relations: Aggregate on (public.ft1)
|
|
Remote SQL: SELECT sum("C 1") FROM "S 1"."T 1"
|
|
InitPlan 1 (returns $0)
|
|
-> Seq Scan on pg_catalog.pg_enum
|
|
|
|
FDW remote plans:
|
|
Node 1: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT sum("C 1") FROM "S 1"."T 1"
|
|
Aggregate
|
|
Output: sum("C 1")
|
|
-> Seq Scan on "S 1"."T 1"
|
|
Output: "C 1", c2, c3, c4, c5, c6, c7, c8
|
|
|
|
(15 rows)
|
|
|
|
select exists(select 1 from pg_enum), sum(c1) from ft1;
|
|
exists | sum
|
|
--------+--------
|
|
t | 500500
|
|
(1 row)
|
|
|
|
explain (verbose, costs off)
|
|
select exists(select 1 from pg_enum), sum(c1) from ft1 group by 1;
|
|
QUERY PLAN
|
|
------------------------------------------------------------------------
|
|
GroupAggregate
|
|
Output: ($0), sum(ft1.c1)
|
|
Group By Key: $0
|
|
InitPlan 1 (returns $0)
|
|
-> Seq Scan on pg_catalog.pg_enum
|
|
-> Foreign Scan on public.ft1
|
|
Output: $0, ft1.c1
|
|
Node ID: 1
|
|
Remote SQL: SELECT "C 1" FROM "S 1"."T 1"
|
|
|
|
FDW remote plans:
|
|
Node 1: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT "C 1" FROM "S 1"."T 1"
|
|
Seq Scan on "S 1"."T 1"
|
|
Output: "C 1"
|
|
|
|
(15 rows)
|
|
|
|
select exists(select 1 from pg_enum), sum(c1) from ft1 group by 1;
|
|
exists | sum
|
|
--------+--------
|
|
t | 500500
|
|
(1 row)
|
|
|
|
-- Testing ORDER BY, DISTINCT, FILTER, Ordered-sets and VARIADIC within aggregates
|
|
-- ORDER BY within aggregate, same column used to order
|
|
explain (verbose, costs off)
|
|
select array_agg(c1 order by c1) from ft1 where c1 < 100 group by c2 order by 1;
|
|
QUERY PLAN
|
|
-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
|
|
Foreign Scan
|
|
Output: (array_agg(c1 ORDER BY c1)), c2
|
|
Node ID: 1
|
|
Relations: Aggregate on (public.ft1)
|
|
Remote SQL: SELECT array_agg("C 1" ORDER BY "C 1" ASC NULLS LAST), c2 FROM "S 1"."T 1" WHERE (("C 1" < 100)) GROUP BY 2 ORDER BY array_agg("C 1" ORDER BY "C 1" ASC NULLS LAST) ASC NULLS LAST
|
|
|
|
FDW remote plans:
|
|
Node 1: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT array_agg("C 1" ORDER BY "C 1" ASC NULLS LAST), c2 FROM "S 1"."T 1" WHERE (("C 1" < 100)) GROUP BY 2 ORDER BY array_agg("C 1" ORDER BY "C 1" ASC NULLS LAST) ASC NULLS LAST
|
|
Sort
|
|
Output: (array_agg("C 1" ORDER BY "C 1")), c2
|
|
Sort Key: (array_agg("T 1"."C 1" ORDER BY "T 1"."C 1"))
|
|
-> GroupAggregate
|
|
Output: array_agg("C 1" ORDER BY "C 1"), c2
|
|
Group By Key: "T 1".c2
|
|
-> Sort
|
|
Output: c2, "C 1"
|
|
Sort Key: "T 1".c2
|
|
-> Index Scan using t1_pkey on "S 1"."T 1"
|
|
Output: c2, "C 1"
|
|
Index Cond: ("T 1"."C 1" < 100)
|
|
|
|
(21 rows)
|
|
|
|
select array_agg(c1 order by c1) from ft1 where c1 < 100 group by c2 order by 1;
|
|
array_agg
|
|
--------------------------------
|
|
{1,11,21,31,41,51,61,71,81,91}
|
|
{2,12,22,32,42,52,62,72,82,92}
|
|
{3,13,23,33,43,53,63,73,83,93}
|
|
{4,14,24,34,44,54,64,74,84,94}
|
|
{5,15,25,35,45,55,65,75,85,95}
|
|
{6,16,26,36,46,56,66,76,86,96}
|
|
{7,17,27,37,47,57,67,77,87,97}
|
|
{8,18,28,38,48,58,68,78,88,98}
|
|
{9,19,29,39,49,59,69,79,89,99}
|
|
{10,20,30,40,50,60,70,80,90}
|
|
(10 rows)
|
|
|
|
-- ORDER BY within aggregate, different column used to order also using DESC
|
|
explain (verbose, costs off)
|
|
select array_agg(c5 order by c1 desc) from ft2 where c2 = 6 and c1 < 50;
|
|
QUERY PLAN
|
|
----------------------------------------------------------------------------------------------------------------------------------------------------
|
|
Foreign Scan
|
|
Output: (array_agg(c5 ORDER BY c1 DESC))
|
|
Node ID: 1
|
|
Relations: Aggregate on (public.ft2)
|
|
Remote SQL: SELECT array_agg(c5 ORDER BY "C 1" DESC NULLS FIRST) FROM "S 1"."T 1" WHERE (("C 1" < 50)) AND ((c2 = 6))
|
|
|
|
FDW remote plans:
|
|
Node 1: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT array_agg(c5 ORDER BY "C 1" DESC NULLS FIRST) FROM "S 1"."T 1" WHERE (("C 1" < 50)) AND ((c2 = 6))
|
|
Aggregate
|
|
Output: array_agg(c5 ORDER BY "C 1" DESC)
|
|
-> Index Scan using t1_pkey on "S 1"."T 1"
|
|
Output: "C 1", c2, c3, c4, c5, c6, c7, c8
|
|
Index Cond: ("T 1"."C 1" < 50)
|
|
Filter: ("T 1".c2 = 6)
|
|
|
|
(15 rows)
|
|
|
|
select array_agg(c5 order by c1 desc) from ft2 where c2 = 6 and c1 < 50;
|
|
array_agg
|
|
------------------------------------------------------------------------------------------------------------------------------------------
|
|
{"Mon Feb 16 00:00:00 1970","Fri Feb 06 00:00:00 1970","Tue Jan 27 00:00:00 1970","Sat Jan 17 00:00:00 1970","Wed Jan 07 00:00:00 1970"}
|
|
(1 row)
|
|
|
|
-- DISTINCT within aggregate
|
|
explain (verbose, costs off)
|
|
select array_agg(distinct (t1.c1)%5) from ft4 t1 full join ft5 t2 on (t1.c1 = t2.c1) where t1.c1 < 20 or (t1.c1 is null and t2.c1 < 5) group by (t2.c1)%3 order by 1;
|
|
QUERY PLAN
|
|
---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
|
|
Foreign Scan
|
|
Output: (array_agg(DISTINCT (t1.c1 % 5))), ((t2.c1 % 3))
|
|
Node ID: 1
|
|
Relations: Aggregate on ((public.ft4 t1) FULL JOIN (public.ft5 t2))
|
|
Remote SQL: SELECT array_agg(DISTINCT (r1.c1 % 5)), (r2.c1 % 3) FROM ("S 1"."T 3" r1 FULL JOIN "S 1"."T 4" r2 ON (((r1.c1 = r2.c1)))) WHERE (((r1.c1 < 20) OR ((r1.c1 IS NULL) AND (r2.c1 < 5)))) GROUP BY 2 ORDER BY array_agg(DISTINCT (r1.c1 % 5)) ASC NULLS LAST
|
|
|
|
FDW remote plans:
|
|
Node 1: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT array_agg(DISTINCT (r1.c1 % 5)), (r2.c1 % 3) FROM ("S 1"."T 3" r1 FULL JOIN "S 1"."T 4" r2 ON (((r1.c1 = r2.c1)))) WHERE (((r1.c1 < 20) OR ((r1.c1 IS NULL) AND (r2.c1 < 5)))) GROUP BY 2 ORDER BY array_agg(DISTINCT (r1.c1 % 5)) ASC NULLS LAST
|
|
Sort
|
|
Output: (array_agg(DISTINCT (r1.c1 % 5))), ((r2.c1 % 3))
|
|
Sort Key: (array_agg(DISTINCT (r1.c1 % 5)))
|
|
-> GroupAggregate
|
|
Output: array_agg(DISTINCT (r1.c1 % 5)), ((r2.c1 % 3))
|
|
Group By Key: ((r2.c1 % 3))
|
|
-> Sort
|
|
Output: ((r2.c1 % 3)), r1.c1
|
|
Sort Key: ((r2.c1 % 3))
|
|
-> Hash Full Join
|
|
Output: (r2.c1 % 3), r1.c1
|
|
Hash Cond: (r1.c1 = r2.c1)
|
|
Filter: ((r1.c1 < 20) OR ((r1.c1 IS NULL) AND (r2.c1 < 5)))
|
|
-> Seq Scan on "S 1"."T 3" r1
|
|
Output: r1.c1, r1.c2, r1.c3
|
|
-> Hash
|
|
Output: r2.c1
|
|
-> Seq Scan on "S 1"."T 4" r2
|
|
Output: r2.c1
|
|
|
|
(28 rows)
|
|
|
|
select array_agg(distinct (t1.c1)%5) from ft4 t1 full join ft5 t2 on (t1.c1 = t2.c1) where t1.c1 < 20 or (t1.c1 is null and t2.c1 < 5) group by (t2.c1)%3 order by 1;
|
|
array_agg
|
|
--------------
|
|
{0,1,2,3,4}
|
|
{1,2,3,NULL}
|
|
(2 rows)
|
|
|
|
-- DISTINCT combined with ORDER BY within aggregate
|
|
explain (verbose, costs off)
|
|
select array_agg(distinct (t1.c1)%5 order by (t1.c1)%5) from ft4 t1 full join ft5 t2 on (t1.c1 = t2.c1) where t1.c1 < 20 or (t1.c1 is null and t2.c1 < 5) group by (t2.c1)%3 order by 1;
|
|
QUERY PLAN
|
|
-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
|
|
Foreign Scan
|
|
Output: (array_agg(DISTINCT (t1.c1 % 5) ORDER BY (t1.c1 % 5))), ((t2.c1 % 3))
|
|
Node ID: 1
|
|
Relations: Aggregate on ((public.ft4 t1) FULL JOIN (public.ft5 t2))
|
|
Remote SQL: SELECT array_agg(DISTINCT (r1.c1 % 5) ORDER BY ((r1.c1 % 5)) ASC NULLS LAST), (r2.c1 % 3) FROM ("S 1"."T 3" r1 FULL JOIN "S 1"."T 4" r2 ON (((r1.c1 = r2.c1)))) WHERE (((r1.c1 < 20) OR ((r1.c1 IS NULL) AND (r2.c1 < 5)))) GROUP BY 2 ORDER BY array_agg(DISTINCT (r1.c1 % 5) ORDER BY ((r1.c1 % 5)) ASC NULLS LAST) ASC NULLS LAST
|
|
|
|
FDW remote plans:
|
|
Node 1: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT array_agg(DISTINCT (r1.c1 % 5) ORDER BY ((r1.c1 % 5)) ASC NULLS LAST), (r2.c1 % 3) FROM ("S 1"."T 3" r1 FULL JOIN "S 1"."T 4" r2 ON (((r1.c1 = r2.c1)))) WHERE (((r1.c1 < 20) OR ((r1.c1 IS NULL) AND (r2.c1 < 5)))) GROUP BY 2 ORDER BY array_agg(DISTINCT (r1.c1 % 5) ORDER BY ((r1.c1 % 5)) ASC NULLS LAST) ASC NULLS LAST
|
|
Sort
|
|
Output: (array_agg(DISTINCT (r1.c1 % 5) ORDER BY (r1.c1 % 5))), ((r2.c1 % 3))
|
|
Sort Key: (array_agg(DISTINCT (r1.c1 % 5) ORDER BY (r1.c1 % 5)))
|
|
-> GroupAggregate
|
|
Output: array_agg(DISTINCT (r1.c1 % 5) ORDER BY (r1.c1 % 5)), ((r2.c1 % 3))
|
|
Group By Key: ((r2.c1 % 3))
|
|
-> Sort
|
|
Output: ((r2.c1 % 3)), r1.c1
|
|
Sort Key: ((r2.c1 % 3))
|
|
-> Hash Full Join
|
|
Output: (r2.c1 % 3), r1.c1
|
|
Hash Cond: (r1.c1 = r2.c1)
|
|
Filter: ((r1.c1 < 20) OR ((r1.c1 IS NULL) AND (r2.c1 < 5)))
|
|
-> Seq Scan on "S 1"."T 3" r1
|
|
Output: r1.c1, r1.c2, r1.c3
|
|
-> Hash
|
|
Output: r2.c1
|
|
-> Seq Scan on "S 1"."T 4" r2
|
|
Output: r2.c1
|
|
|
|
(28 rows)
|
|
|
|
select array_agg(distinct (t1.c1)%5 order by (t1.c1)%5) from ft4 t1 full join ft5 t2 on (t1.c1 = t2.c1) where t1.c1 < 20 or (t1.c1 is null and t2.c1 < 5) group by (t2.c1)%3 order by 1;
|
|
array_agg
|
|
--------------
|
|
{0,1,2,3,4}
|
|
{1,2,3,NULL}
|
|
(2 rows)
|
|
|
|
explain (verbose, costs off)
|
|
select array_agg(distinct (t1.c1)%5 order by (t1.c1)%5 desc nulls last) from ft4 t1 full join ft5 t2 on (t1.c1 = t2.c1) where t1.c1 < 20 or (t1.c1 is null and t2.c1 < 5) group by (t2.c1)%3 order by 1;
|
|
QUERY PLAN
|
|
---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
|
|
Foreign Scan
|
|
Output: (array_agg(DISTINCT (t1.c1 % 5) ORDER BY (t1.c1 % 5) DESC NULLS LAST)), ((t2.c1 % 3))
|
|
Node ID: 1
|
|
Relations: Aggregate on ((public.ft4 t1) FULL JOIN (public.ft5 t2))
|
|
Remote SQL: SELECT array_agg(DISTINCT (r1.c1 % 5) ORDER BY ((r1.c1 % 5)) DESC NULLS LAST), (r2.c1 % 3) FROM ("S 1"."T 3" r1 FULL JOIN "S 1"."T 4" r2 ON (((r1.c1 = r2.c1)))) WHERE (((r1.c1 < 20) OR ((r1.c1 IS NULL) AND (r2.c1 < 5)))) GROUP BY 2 ORDER BY array_agg(DISTINCT (r1.c1 % 5) ORDER BY ((r1.c1 % 5)) DESC NULLS LAST) ASC NULLS LAST
|
|
|
|
FDW remote plans:
|
|
Node 1: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT array_agg(DISTINCT (r1.c1 % 5) ORDER BY ((r1.c1 % 5)) DESC NULLS LAST), (r2.c1 % 3) FROM ("S 1"."T 3" r1 FULL JOIN "S 1"."T 4" r2 ON (((r1.c1 = r2.c1)))) WHERE (((r1.c1 < 20) OR ((r1.c1 IS NULL) AND (r2.c1 < 5)))) GROUP BY 2 ORDER BY array_agg(DISTINCT (r1.c1 % 5) ORDER BY ((r1.c1 % 5)) DESC NULLS LAST) ASC NULLS LAST
|
|
Sort
|
|
Output: (array_agg(DISTINCT (r1.c1 % 5) ORDER BY (r1.c1 % 5) DESC NULLS LAST)), ((r2.c1 % 3))
|
|
Sort Key: (array_agg(DISTINCT (r1.c1 % 5) ORDER BY (r1.c1 % 5) DESC NULLS LAST))
|
|
-> GroupAggregate
|
|
Output: array_agg(DISTINCT (r1.c1 % 5) ORDER BY (r1.c1 % 5) DESC NULLS LAST), ((r2.c1 % 3))
|
|
Group By Key: ((r2.c1 % 3))
|
|
-> Sort
|
|
Output: ((r2.c1 % 3)), r1.c1
|
|
Sort Key: ((r2.c1 % 3))
|
|
-> Hash Full Join
|
|
Output: (r2.c1 % 3), r1.c1
|
|
Hash Cond: (r1.c1 = r2.c1)
|
|
Filter: ((r1.c1 < 20) OR ((r1.c1 IS NULL) AND (r2.c1 < 5)))
|
|
-> Seq Scan on "S 1"."T 3" r1
|
|
Output: r1.c1, r1.c2, r1.c3
|
|
-> Hash
|
|
Output: r2.c1
|
|
-> Seq Scan on "S 1"."T 4" r2
|
|
Output: r2.c1
|
|
|
|
(28 rows)
|
|
|
|
select array_agg(distinct (t1.c1)%5 order by (t1.c1)%5 desc nulls last) from ft4 t1 full join ft5 t2 on (t1.c1 = t2.c1) where t1.c1 < 20 or (t1.c1 is null and t2.c1 < 5) group by (t2.c1)%3 order by 1;
|
|
array_agg
|
|
--------------
|
|
{3,2,1,NULL}
|
|
{4,3,2,1,0}
|
|
(2 rows)
|
|
|
|
--nspt FILTER within aggregate
|
|
-- openGauss not support FILTER within aggregate, leve a err case, make others run as normal
|
|
explain (verbose, costs off)
|
|
select sum(c1) filter (where c1 < 100 and c2 > 5) from ft1 group by c2 order by 1 nulls last;
|
|
ERROR: syntax error at or near "filter"
|
|
LINE 2: select sum(c1) filter (where c1 < 100 and c2 > 5) from ft1 g...
|
|
^
|
|
select sum(c1) filter (where c1 < 100 and c2 > 5) from ft1 group by c2 order by 1 nulls last;
|
|
ERROR: syntax error at or near "filter"
|
|
LINE 1: select sum(c1) filter (where c1 < 100 and c2 > 5) from ft1 g...
|
|
^
|
|
explain (verbose, costs off)
|
|
select sum(c1)/* filter (where c1 < 100 and c2 > 5)*/ from ft1 group by c2 order by 1 nulls last;
|
|
QUERY PLAN
|
|
-------------------------------------------------------------------------------------------------------------------------------
|
|
Foreign Scan
|
|
Output: (sum(c1)), c2
|
|
Node ID: 1
|
|
Relations: Aggregate on (public.ft1)
|
|
Remote SQL: SELECT sum("C 1"), c2 FROM "S 1"."T 1" GROUP BY 2 ORDER BY sum("C 1") ASC NULLS LAST
|
|
|
|
FDW remote plans:
|
|
Node 1: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT sum("C 1"), c2 FROM "S 1"."T 1" GROUP BY 2 ORDER BY sum("C 1") ASC NULLS LAST
|
|
Sort
|
|
Output: (sum("C 1")), c2
|
|
Sort Key: (sum("T 1"."C 1"))
|
|
-> HashAggregate
|
|
Output: sum("C 1"), c2
|
|
Group By Key: "T 1".c2
|
|
-> Seq Scan on "S 1"."T 1"
|
|
Output: c2, "C 1"
|
|
|
|
(17 rows)
|
|
|
|
select sum(c1)/* filter (where c1 < 100 and c2 > 5)*/ from ft1 group by c2 order by 1 nulls last;
|
|
sum
|
|
-------
|
|
49600
|
|
49700
|
|
49800
|
|
49900
|
|
50000
|
|
50100
|
|
50200
|
|
50300
|
|
50400
|
|
50500
|
|
(10 rows)
|
|
|
|
-- DISTINCT, ORDER BY and FILTER within aggregate
|
|
explain (verbose, costs off)
|
|
select sum(c1%3), sum(distinct c1%3 order by c1%3)/* filter (where c1%3 < 2)*/, c2 from ft1 where c2 = 6 group by c2;
|
|
QUERY PLAN
|
|
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
|
|
Foreign Scan
|
|
Output: (sum((c1 % 3))), (sum(DISTINCT (c1 % 3) ORDER BY (c1 % 3))), c2
|
|
Node ID: 1
|
|
Relations: Aggregate on (public.ft1)
|
|
Remote SQL: SELECT sum(("C 1" % 3)), sum(DISTINCT ("C 1" % 3) ORDER BY (("C 1" % 3)) ASC NULLS LAST), c2 FROM "S 1"."T 1" WHERE ((c2 = 6)) GROUP BY 3
|
|
|
|
FDW remote plans:
|
|
Node 1: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT sum(("C 1" % 3)), sum(DISTINCT ("C 1" % 3) ORDER BY (("C 1" % 3)) ASC NULLS LAST), c2 FROM "S 1"."T 1" WHERE ((c2 = 6)) GROUP BY 3
|
|
GroupAggregate
|
|
Output: sum(("C 1" % 3)), sum(DISTINCT ("C 1" % 3) ORDER BY ("C 1" % 3)), c2
|
|
Group By Key: "T 1".c2
|
|
-> Seq Scan on "S 1"."T 1"
|
|
Output: "C 1", c2, c3, c4, c5, c6, c7, c8
|
|
Filter: ("T 1".c2 = 6)
|
|
|
|
(15 rows)
|
|
|
|
select sum(c1%3), sum(distinct c1%3 order by c1%3)/* filter (where c1%3 < 2)*/, c2 from ft1 where c2 = 6 group by c2;
|
|
sum | sum | c2
|
|
-----+-----+----
|
|
99 | 3 | 6
|
|
(1 row)
|
|
|
|
-- Outer query is aggregation query
|
|
explain (verbose, costs off)
|
|
select distinct (select count(*) /*filter (where t2.c2 = 6 and t2.c1 < 10)*/ from ft1 t1 where t1.c1 = 6) from ft2 t2 where t2.c2 % 6 = 0 order by 1;
|
|
QUERY PLAN
|
|
----------------------------------------------------------------------------------------------
|
|
Unique
|
|
Output: ($0)
|
|
InitPlan 1 (returns $0)
|
|
-> Aggregate
|
|
Output: count(*)
|
|
-> Foreign Scan on public.ft1 t1
|
|
Node ID: 1
|
|
Remote SQL: SELECT NULL FROM "S 1"."T 1" WHERE (("C 1" = 6))
|
|
-> Foreign Scan on public.ft2 t2
|
|
Output: $0
|
|
Node ID: 2
|
|
Remote SQL: SELECT NULL FROM "S 1"."T 1" WHERE (((c2 % 6) = 0))
|
|
|
|
FDW remote plans:
|
|
Node 1: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT NULL FROM "S 1"."T 1" WHERE (("C 1" = 6))
|
|
Index Only Scan using t1_pkey on "S 1"."T 1"
|
|
Output: NULL::text
|
|
Index Cond: ("T 1"."C 1" = 6)
|
|
Node 2: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT NULL FROM "S 1"."T 1" WHERE (((c2 % 6) = 0))
|
|
Seq Scan on "S 1"."T 1"
|
|
Output: NULL::text
|
|
Filter: (("T 1".c2 % 6) = 0)
|
|
|
|
(23 rows)
|
|
|
|
select distinct (select count(*) /*filter (where t2.c2 = 6 and t2.c1 < 10)*/ from ft1 t1 where t1.c1 = 6) from ft2 t2 where t2.c2 % 6 = 0 order by 1;
|
|
count
|
|
-------
|
|
1
|
|
(1 row)
|
|
|
|
-- Inner query is aggregation query
|
|
explain (verbose, costs off)
|
|
select distinct (select count(t1.c1) /*filter (where t2.c2 = 6 and t2.c1 < 10)*/ from ft1 t1 where t1.c1 = 6) from ft2 t2 where t2.c2 % 6 = 0 order by 1;
|
|
QUERY PLAN
|
|
----------------------------------------------------------------------------------------------
|
|
Unique
|
|
Output: ($0)
|
|
InitPlan 1 (returns $0)
|
|
-> Aggregate
|
|
Output: count(t1.c1)
|
|
-> Foreign Scan on public.ft1 t1
|
|
Output: t1.c1
|
|
Node ID: 1
|
|
Remote SQL: SELECT "C 1" FROM "S 1"."T 1" WHERE (("C 1" = 6))
|
|
-> Foreign Scan on public.ft2 t2
|
|
Output: $0
|
|
Node ID: 2
|
|
Remote SQL: SELECT NULL FROM "S 1"."T 1" WHERE (((c2 % 6) = 0))
|
|
|
|
FDW remote plans:
|
|
Node 1: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT "C 1" FROM "S 1"."T 1" WHERE (("C 1" = 6))
|
|
[Bypass]
|
|
Index Only Scan using t1_pkey on "S 1"."T 1"
|
|
Output: "C 1"
|
|
Index Cond: ("T 1"."C 1" = 6)
|
|
Node 2: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT NULL FROM "S 1"."T 1" WHERE (((c2 % 6) = 0))
|
|
Seq Scan on "S 1"."T 1"
|
|
Output: NULL::text
|
|
Filter: (("T 1".c2 % 6) = 0)
|
|
|
|
(25 rows)
|
|
|
|
select distinct (select count(t1.c1) /*filter (where t2.c2 = 6 and t2.c1 < 10)*/ from ft1 t1 where t1.c1 = 6) from ft2 t2 where t2.c2 % 6 = 0 order by 1;
|
|
count
|
|
-------
|
|
1
|
|
(1 row)
|
|
|
|
-- Aggregate not pushed down as FILTER condition is not pushable
|
|
explain (verbose, costs off) select sum(c1) /*filter (where (c1 / c1) * random() <= 1)*/ from ft1 group by c2 order by 1;
|
|
QUERY PLAN
|
|
-------------------------------------------------------------------------------------------------------------------------------
|
|
Foreign Scan
|
|
Output: (sum(c1)), c2
|
|
Node ID: 1
|
|
Relations: Aggregate on (public.ft1)
|
|
Remote SQL: SELECT sum("C 1"), c2 FROM "S 1"."T 1" GROUP BY 2 ORDER BY sum("C 1") ASC NULLS LAST
|
|
|
|
FDW remote plans:
|
|
Node 1: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT sum("C 1"), c2 FROM "S 1"."T 1" GROUP BY 2 ORDER BY sum("C 1") ASC NULLS LAST
|
|
Sort
|
|
Output: (sum("C 1")), c2
|
|
Sort Key: (sum("T 1"."C 1"))
|
|
-> HashAggregate
|
|
Output: sum("C 1"), c2
|
|
Group By Key: "T 1".c2
|
|
-> Seq Scan on "S 1"."T 1"
|
|
Output: c2, "C 1"
|
|
|
|
(17 rows)
|
|
|
|
explain (verbose, costs off) select sum(c2) /*filter (where c2 in (select c2 from ft1 where c2 < 5))*/ from ft1;
|
|
QUERY PLAN
|
|
--------------------------------------------------------------------------
|
|
Foreign Scan
|
|
Output: (sum(c2))
|
|
Node ID: 1
|
|
Relations: Aggregate on (public.ft1)
|
|
Remote SQL: SELECT sum(c2) FROM "S 1"."T 1"
|
|
|
|
FDW remote plans:
|
|
Node 1: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT sum(c2) FROM "S 1"."T 1"
|
|
Aggregate
|
|
Output: sum(c2)
|
|
-> Seq Scan on "S 1"."T 1"
|
|
Output: "C 1", c2, c3, c4, c5, c6, c7, c8
|
|
|
|
(13 rows)
|
|
|
|
--nspt Ordered-sets within aggregate
|
|
--nspt Using multiple arguments within aggregates
|
|
-- User defined function for user defined aggregate, VARIADIC
|
|
create function least_accum(anyelement, variadic anyarray)
|
|
returns anyelement language sql as
|
|
'select least($1, min($2[i])) from generate_subscripts($2,1) g(i)';
|
|
create aggregate least_agg(variadic items anyarray) (
|
|
stype = anyelement, sfunc = least_accum
|
|
);
|
|
ERROR: syntax error at or near "variadic"
|
|
LINE 1: create aggregate least_agg(variadic items anyarray) (
|
|
^
|
|
-- Disable hash aggregation for plan stability.
|
|
set enable_hashagg to false;
|
|
-- Not pushed down due to user defined aggregate
|
|
explain (verbose, costs off)
|
|
select c2, least_agg(c1) from ft1 group by c2 order by c2;
|
|
ERROR: function least_agg(integer) does not exist
|
|
LINE 2: select c2, least_agg(c1) from ft1 group by c2 order by c2;
|
|
^
|
|
HINT: No function matches the given name and argument types. You might need to add explicit type casts.
|
|
CONTEXT: referenced column: least_agg
|
|
-- Add function and aggregate into extension
|
|
alter extension postgres_fdw add function least_accum(anyelement, variadic anyarray);
|
|
alter extension postgres_fdw add aggregate least_agg(variadic items anyarray);
|
|
ERROR: syntax error at or near "variadic"
|
|
LINE 1: ...er extension postgres_fdw add aggregate least_agg(variadic i...
|
|
^
|
|
alter server loopback options (set extensions 'postgres_fdw');
|
|
ERROR: option "extensions" not found
|
|
-- Now aggregate will be pushed. Aggregate will display VARIADIC argument.
|
|
explain (verbose, costs off)
|
|
select c2, least_agg(c1) from ft1 where c2 < 100 group by c2 order by c2;
|
|
ERROR: function least_agg(integer) does not exist
|
|
LINE 2: select c2, least_agg(c1) from ft1 where c2 < 100 group by c2...
|
|
^
|
|
HINT: No function matches the given name and argument types. You might need to add explicit type casts.
|
|
CONTEXT: referenced column: least_agg
|
|
select c2, least_agg(c1) from ft1 where c2 < 100 group by c2 order by c2;
|
|
ERROR: function least_agg(integer) does not exist
|
|
LINE 1: select c2, least_agg(c1) from ft1 where c2 < 100 group by c2...
|
|
^
|
|
HINT: No function matches the given name and argument types. You might need to add explicit type casts.
|
|
CONTEXT: referenced column: least_agg
|
|
-- Remove function and aggregate from extension
|
|
alter extension postgres_fdw drop function least_accum(anyelement, variadic anyarray);
|
|
alter extension postgres_fdw drop aggregate least_agg(variadic items anyarray);
|
|
ERROR: syntax error at or near "variadic"
|
|
LINE 1: ...r extension postgres_fdw drop aggregate least_agg(variadic i...
|
|
^
|
|
alter server loopback options (set extensions 'postgres_fdw');
|
|
ERROR: option "extensions" not found
|
|
-- Not pushed down as we have dropped objects from extension.
|
|
explain (verbose, costs off)
|
|
select c2, least_agg(c1) from ft1 group by c2 order by c2;
|
|
ERROR: function least_agg(integer) does not exist
|
|
LINE 2: select c2, least_agg(c1) from ft1 group by c2 order by c2;
|
|
^
|
|
HINT: No function matches the given name and argument types. You might need to add explicit type casts.
|
|
CONTEXT: referenced column: least_agg
|
|
-- Cleanup
|
|
reset enable_hashagg;
|
|
drop aggregate least_agg(variadic items anyarray);
|
|
ERROR: syntax error at or near "variadic"
|
|
LINE 1: drop aggregate least_agg(variadic items anyarray);
|
|
^
|
|
drop function least_accum(anyelement, variadic anyarray);
|
|
--nspt Testing USING OPERATOR() in ORDER BY within aggregate.
|
|
--nspt For this, we need user defined operators along with operator family and
|
|
--nspt operator class. Create those and then add them in extension. Note that
|
|
--nspt user defined objects are considered unshippable unless they are part of
|
|
--nspt the extension.
|
|
create operator public.<^ (
|
|
leftarg = int4,
|
|
rightarg = int4,
|
|
procedure = int4eq
|
|
);
|
|
create operator public.=^ (
|
|
leftarg = int4,
|
|
rightarg = int4,
|
|
procedure = int4lt
|
|
);
|
|
create operator public.>^ (
|
|
leftarg = int4,
|
|
rightarg = int4,
|
|
procedure = int4gt
|
|
);
|
|
create operator family my_op_family using btree;
|
|
create function my_op_cmp(a int, b int) returns int as
|
|
$$begin return btint4cmp(a, b); end $$ language plpgsql;
|
|
create operator class my_op_class for type int using btree family my_op_family as
|
|
operator 1 public.<^,
|
|
operator 3 public.=^,
|
|
operator 5 public.>^,
|
|
function 1 my_op_cmp(int, int);
|
|
-- NOTICES:
|
|
-- openGauss not support create operator class. remove the case. If you want to restore the test case later, refer to README in the file header.
|
|
-- This will not be pushed as sort operator is now removed from the extension.
|
|
explain (verbose, costs off)
|
|
select array_agg(c1 order by c1 using operator(public.<^)) from ft2 where c2 = 6 and c1 < 100 group by c2;
|
|
QUERY PLAN
|
|
-----------------------------------------------------------------------------------------------------------------
|
|
GroupAggregate
|
|
Output: array_agg(c1 ORDER BY c1 USING <^ NULLS LAST), c2
|
|
Group By Key: ft2.c2
|
|
-> Foreign Scan on public.ft2
|
|
Output: c2, c1
|
|
Node ID: 1
|
|
Remote SQL: SELECT "C 1", c2 FROM "S 1"."T 1" WHERE (("C 1" < 100)) AND ((c2 = 6))
|
|
|
|
FDW remote plans:
|
|
Node 1: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT "C 1", c2 FROM "S 1"."T 1" WHERE (("C 1" < 100)) AND ((c2 = 6))
|
|
Index Scan using t1_pkey on "S 1"."T 1"
|
|
Output: "C 1", c2
|
|
Index Cond: ("T 1"."C 1" < 100)
|
|
Filter: ("T 1".c2 = 6)
|
|
|
|
(15 rows)
|
|
|
|
-- Cleanup
|
|
drop operator class my_op_class using btree;
|
|
drop function my_op_cmp(a int, b int);
|
|
drop operator family my_op_family using btree;
|
|
drop operator public.>^(int, int);
|
|
drop operator public.=^(int, int);
|
|
drop operator public.<^(int, int);
|
|
-- Input relation to aggregate push down hook is not safe to pushdown and thus
|
|
-- the aggregate cannot be pushed down to foreign server.
|
|
explain (verbose, costs off)
|
|
select count(t1.c3) from ft2 t1 left join ft2 t2 on (t1.c1 = random() * t2.c2);
|
|
QUERY PLAN
|
|
-------------------------------------------------------------------------------------------
|
|
Aggregate
|
|
Output: count(t1.c3)
|
|
-> Nested Loop Left Join
|
|
Output: t1.c3
|
|
Join Filter: ((t1.c1)::double precision = (random() * (t2.c2)::double precision))
|
|
-> Foreign Scan on public.ft2 t1
|
|
Output: t1.c3, t1.c1
|
|
Node ID: 1
|
|
Remote SQL: SELECT "C 1", c3 FROM "S 1"."T 1"
|
|
-> Materialize
|
|
Output: t2.c2
|
|
-> Foreign Scan on public.ft2 t2
|
|
Output: t2.c2
|
|
Node ID: 2
|
|
Remote SQL: SELECT c2 FROM "S 1"."T 1"
|
|
|
|
FDW remote plans:
|
|
Node 1: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT "C 1", c3 FROM "S 1"."T 1"
|
|
Seq Scan on "S 1"."T 1"
|
|
Output: "C 1", c3
|
|
Node 2: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT c2 FROM "S 1"."T 1"
|
|
Seq Scan on "S 1"."T 1"
|
|
Output: c2
|
|
|
|
(24 rows)
|
|
|
|
-- Subquery in FROM clause having aggregate
|
|
explain (verbose, costs off)
|
|
select count(*), x.b from ft1, (select c2 a, sum(c1) b from ft1 group by c2) x where ft1.c2 = x.a group by x.b order by 1, 2;
|
|
QUERY PLAN
|
|
-----------------------------------------------------------------------------------------------
|
|
Sort
|
|
Output: (count(*)), x.b
|
|
Sort Key: (count(*)), x.b
|
|
-> HashAggregate
|
|
Output: count(*), x.b
|
|
Group By Key: x.b
|
|
-> Hash Join
|
|
Output: x.b
|
|
Hash Cond: (public.ft1.c2 = x.a)
|
|
-> Foreign Scan on public.ft1
|
|
Output: public.ft1.c2
|
|
Node ID: 1
|
|
Remote SQL: SELECT c2 FROM "S 1"."T 1"
|
|
-> Hash
|
|
Output: x.b, x.a
|
|
-> Subquery Scan on x
|
|
Output: x.b, x.a
|
|
-> Foreign Scan
|
|
Output: public.ft1.c2, (sum(public.ft1.c1))
|
|
Node ID: 2
|
|
Relations: Aggregate on (public.ft1)
|
|
Remote SQL: SELECT c2, sum("C 1") FROM "S 1"."T 1" GROUP BY 1
|
|
|
|
FDW remote plans:
|
|
Node 1: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT c2 FROM "S 1"."T 1"
|
|
Seq Scan on "S 1"."T 1"
|
|
Output: c2
|
|
Node 2: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT c2, sum("C 1") FROM "S 1"."T 1" GROUP BY 1
|
|
HashAggregate
|
|
Output: c2, sum("C 1")
|
|
Group By Key: "T 1".c2
|
|
-> Seq Scan on "S 1"."T 1"
|
|
Output: c2, "C 1"
|
|
|
|
(34 rows)
|
|
|
|
select count(*), x.b from ft1, (select c2 a, sum(c1) b from ft1 group by c2) x where ft1.c2 = x.a group by x.b order by 1, 2;
|
|
count | b
|
|
-------+-------
|
|
100 | 49600
|
|
100 | 49700
|
|
100 | 49800
|
|
100 | 49900
|
|
100 | 50000
|
|
100 | 50100
|
|
100 | 50200
|
|
100 | 50300
|
|
100 | 50400
|
|
100 | 50500
|
|
(10 rows)
|
|
|
|
-- FULL join with IS NULL check in HAVING
|
|
explain (verbose, costs off)
|
|
select avg(t1.c1), sum(t2.c1) from ft4 t1 full join ft5 t2 on (t1.c1 = t2.c1) group by t2.c1 having (avg(t1.c1) is null and sum(t2.c1) < 10) or sum(t2.c1) is null order by 1 nulls last, 2;
|
|
QUERY PLAN
|
|
--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
|
|
Foreign Scan
|
|
Output: (avg(t1.c1)), (sum(t2.c1)), t2.c1
|
|
Node ID: 1
|
|
Relations: Aggregate on ((public.ft4 t1) FULL JOIN (public.ft5 t2))
|
|
Remote SQL: SELECT avg(r1.c1), sum(r2.c1), r2.c1 FROM ("S 1"."T 3" r1 FULL JOIN "S 1"."T 4" r2 ON (((r1.c1 = r2.c1)))) GROUP BY 3 HAVING ((((avg(r1.c1) IS NULL) AND (sum(r2.c1) < 10)) OR (sum(r2.c1) IS NULL))) ORDER BY avg(r1.c1) ASC NULLS LAST, sum(r2.c1) ASC NULLS LAST
|
|
|
|
FDW remote plans:
|
|
Node 1: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT avg(r1.c1), sum(r2.c1), r2.c1 FROM ("S 1"."T 3" r1 FULL JOIN "S 1"."T 4" r2 ON (((r1.c1 = r2.c1)))) GROUP BY 3 HAVING ((((avg(r1.c1) IS NULL) AND (sum(r2.c1) < 10)) OR (sum(r2.c1) IS NULL))) ORDER BY avg(r1.c1) ASC NULLS LAST, sum(r2.c1) ASC NULLS LAST
|
|
Sort
|
|
Output: (avg(r1.c1)), (sum(r2.c1)), r2.c1
|
|
Sort Key: (avg(r1.c1)), (sum(r2.c1))
|
|
-> HashAggregate
|
|
Output: avg(r1.c1), sum(r2.c1), r2.c1
|
|
Group By Key: r2.c1
|
|
Filter: (((avg(r1.c1) IS NULL) AND (sum(r2.c1) < 10)) OR (sum(r2.c1) IS NULL))
|
|
-> Hash Full Join
|
|
Output: r1.c1, r2.c1
|
|
Hash Cond: (r1.c1 = r2.c1)
|
|
-> Seq Scan on "S 1"."T 3" r1
|
|
Output: r1.c1, r1.c2, r1.c3
|
|
-> Hash
|
|
Output: r2.c1
|
|
-> Seq Scan on "S 1"."T 4" r2
|
|
Output: r2.c1
|
|
|
|
(25 rows)
|
|
|
|
select avg(t1.c1), sum(t2.c1) from ft4 t1 full join ft5 t2 on (t1.c1 = t2.c1) group by t2.c1 having (avg(t1.c1) is null and sum(t2.c1) < 10) or sum(t2.c1) is null order by 1 nulls last, 2;
|
|
avg | sum
|
|
---------------------+-----
|
|
51.0000000000000000 |
|
|
| 3
|
|
| 9
|
|
(3 rows)
|
|
|
|
-- Aggregate over FULL join needing to deparse the joining relations as
|
|
-- subqueries.
|
|
explain (verbose, costs off)
|
|
select count(*), sum(t1.c1), avg(t2.c1) from (select c1 from ft4 where c1 between 50 and 60) t1 full join (select c1 from ft5 where c1 between 50 and 60) t2 on (t1.c1 = t2.c1);
|
|
QUERY PLAN
|
|
--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
|
|
Foreign Scan
|
|
Output: (count(*)), (sum(ft4.c1)), (avg(ft5.c1))
|
|
Node ID: 1
|
|
Relations: Aggregate on ((public.ft4) FULL JOIN (public.ft5))
|
|
Remote SQL: SELECT count(*), sum(s4.c1), avg(s5.c1) FROM ((SELECT c1 FROM "S 1"."T 3" WHERE ((c1 >= 50)) AND ((c1 <= 60))) s4(c1) FULL JOIN (SELECT c1 FROM "S 1"."T 4" WHERE ((c1 >= 50)) AND ((c1 <= 60))) s5(c1) ON (((s4.c1 = s5.c1))))
|
|
|
|
FDW remote plans:
|
|
Node 1: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT count(*), sum(s4.c1), avg(s5.c1) FROM ((SELECT c1 FROM "S 1"."T 3" WHERE ((c1 >= 50)) AND ((c1 <= 60))) s4(c1) FULL JOIN (SELECT c1 FROM "S 1"."T 4" WHERE ((c1 >= 50)) AND ((c1 <= 60))) s5(c1) ON (((s4.c1 = s5.c1))))
|
|
Aggregate
|
|
Output: count(*), sum("T 3".c1), avg("T 4".c1)
|
|
-> Hash Full Join
|
|
Output: "T 3".c1, "T 4".c1
|
|
Hash Cond: ("T 3".c1 = "T 4".c1)
|
|
-> Seq Scan on "S 1"."T 3"
|
|
Output: "T 3".c1, "T 3".c2, "T 3".c3
|
|
Filter: (("T 3".c1 >= 50) AND ("T 3".c1 <= 60))
|
|
-> Hash
|
|
Output: "T 4".c1
|
|
-> Seq Scan on "S 1"."T 4"
|
|
Output: "T 4".c1
|
|
Filter: (("T 4".c1 >= 50) AND ("T 4".c1 <= 60))
|
|
|
|
(22 rows)
|
|
|
|
select count(*), sum(t1.c1), avg(t2.c1) from (select c1 from ft4 where c1 between 50 and 60) t1 full join (select c1 from ft5 where c1 between 50 and 60) t2 on (t1.c1 = t2.c1);
|
|
count | sum | avg
|
|
-------+-----+---------------------
|
|
8 | 330 | 55.5000000000000000
|
|
(1 row)
|
|
|
|
-- ORDER BY expression is part of the target list but not pushed down to
|
|
-- foreign server.
|
|
explain (verbose, costs off)
|
|
select sum(c2) * (random() <= 1)::int as sum from ft1 order by 1;
|
|
QUERY PLAN
|
|
----------------------------------------------------------------------------
|
|
Sort
|
|
Output: ((sum(c2) * ((random() <= 1::double precision))::integer))
|
|
Sort Key: ((sum(ft1.c2) * ((random() <= 1::double precision))::integer))
|
|
-> Aggregate
|
|
Output: (sum(c2) * ((random() <= 1::double precision))::integer)
|
|
-> Foreign Scan on public.ft1
|
|
Output: c2
|
|
Node ID: 1
|
|
Remote SQL: SELECT c2 FROM "S 1"."T 1"
|
|
|
|
FDW remote plans:
|
|
Node 1: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT c2 FROM "S 1"."T 1"
|
|
Seq Scan on "S 1"."T 1"
|
|
Output: c2
|
|
|
|
(15 rows)
|
|
|
|
select sum(c2) * (random() <= 1)::int as sum from ft1 order by 1;
|
|
sum
|
|
------
|
|
4500
|
|
(1 row)
|
|
|
|
--nspt LATERAL join, with parameterization
|
|
-- NOTICES:
|
|
-- openGauss not support create operator class. remove the case. If you want to restore the test case later, refer to README in the file header.
|
|
-- Check with placeHolderVars
|
|
explain (verbose, costs off)
|
|
select sum(q.a), count(q.b) from ft4 left join (select 13, avg(ft1.c1), sum(ft2.c1) from ft1 right join ft2 on (ft1.c1 = ft2.c1)) q(a, b, c) on (ft4.c1 <= q.b);
|
|
QUERY PLAN
|
|
--------------------------------------------------------------------------------------------------------------------------------------------------------------
|
|
Aggregate
|
|
Output: sum(q.a), count(q.b)
|
|
-> Nested Loop Left Join
|
|
Output: q.a, q.b
|
|
Join Filter: ((ft4.c1)::numeric <= q.b)
|
|
-> Foreign Scan on public.ft4
|
|
Output: ft4.c1
|
|
Node ID: 1
|
|
Remote SQL: SELECT c1 FROM "S 1"."T 3"
|
|
-> Materialize
|
|
Output: q.a, q.b
|
|
-> Subquery Scan on q
|
|
Output: q.a, q.b
|
|
-> Foreign Scan
|
|
Output: (13), (avg(ft1.c1)), (sum(ft2.c1))
|
|
Node ID: 2
|
|
Relations: Aggregate on ((public.ft2) LEFT JOIN (public.ft1))
|
|
Remote SQL: SELECT 13, avg(r1."C 1"), sum(r2."C 1") FROM ("S 1"."T 1" r2 LEFT JOIN "S 1"."T 1" r1 ON (((r1."C 1" = r2."C 1"))))
|
|
|
|
FDW remote plans:
|
|
Node 1: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT c1 FROM "S 1"."T 3"
|
|
Seq Scan on "S 1"."T 3"
|
|
Output: c1
|
|
Node 2: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT 13, avg(r1."C 1"), sum(r2."C 1") FROM ("S 1"."T 1" r2 LEFT JOIN "S 1"."T 1" r1 ON (((r1."C 1" = r2."C 1"))))
|
|
Aggregate
|
|
Output: 13, avg(r1."C 1"), sum(r2."C 1")
|
|
-> Hash Left Join
|
|
Output: r2."C 1", r1."C 1"
|
|
Hash Cond: (r2."C 1" = r1."C 1")
|
|
-> Seq Scan on "S 1"."T 1" r2
|
|
Output: r2."C 1", r2.c2, r2.c3, r2.c4, r2.c5, r2.c6, r2.c7, r2.c8
|
|
-> Hash
|
|
Output: r1."C 1"
|
|
-> Seq Scan on "S 1"."T 1" r1
|
|
Output: r1."C 1"
|
|
|
|
(36 rows)
|
|
|
|
select sum(q.a), count(q.b) from ft4 left join (select 13, avg(ft1.c1), sum(ft2.c1) from ft1 right join ft2 on (ft1.c1 = ft2.c1)) q(a, b, c) on (ft4.c1 <= q.b);
|
|
sum | count
|
|
-----+-------
|
|
650 | 50
|
|
(1 row)
|
|
|
|
-- Not supported cases
|
|
-- Grouping sets
|
|
explain (verbose, costs off)
|
|
select c2, sum(c1) from ft1 where c2 < 3 group by rollup(c2) order by 1 nulls last;
|
|
QUERY PLAN
|
|
------------------------------------------------------------------------------------------------------------------------
|
|
Sort
|
|
Output: c2, (sum(c1))
|
|
Sort Key: ft1.c2
|
|
-> GroupAggregate
|
|
Output: c2, sum(c1)
|
|
Group By Key: ft1.c2
|
|
Group By Key: ()
|
|
-> Foreign Scan on public.ft1
|
|
Output: c2, c1
|
|
Node ID: 1
|
|
Remote SQL: SELECT "C 1", c2 FROM "S 1"."T 1" WHERE ((c2 < 3)) ORDER BY c2 ASC NULLS LAST
|
|
|
|
FDW remote plans:
|
|
Node 1: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT "C 1", c2 FROM "S 1"."T 1" WHERE ((c2 < 3)) ORDER BY c2 ASC NULLS LAST
|
|
Sort
|
|
Output: "C 1", c2
|
|
Sort Key: "T 1".c2
|
|
-> Seq Scan on "S 1"."T 1"
|
|
Output: "C 1", c2
|
|
Filter: ("T 1".c2 < 3)
|
|
|
|
(21 rows)
|
|
|
|
select c2, sum(c1) from ft1 where c2 < 3 group by rollup(c2) order by 1 nulls last;
|
|
c2 | sum
|
|
----+--------
|
|
0 | 50500
|
|
1 | 49600
|
|
2 | 49700
|
|
| 149800
|
|
(4 rows)
|
|
|
|
explain (verbose, costs off)
|
|
select c2, sum(c1) from ft1 where c2 < 3 group by cube(c2) order by 1 nulls last;
|
|
QUERY PLAN
|
|
------------------------------------------------------------------------------------------------------------------------
|
|
Sort
|
|
Output: c2, (sum(c1))
|
|
Sort Key: ft1.c2
|
|
-> GroupAggregate
|
|
Output: c2, sum(c1)
|
|
Group By Key: ft1.c2
|
|
Group By Key: ()
|
|
-> Foreign Scan on public.ft1
|
|
Output: c2, c1
|
|
Node ID: 1
|
|
Remote SQL: SELECT "C 1", c2 FROM "S 1"."T 1" WHERE ((c2 < 3)) ORDER BY c2 ASC NULLS LAST
|
|
|
|
FDW remote plans:
|
|
Node 1: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT "C 1", c2 FROM "S 1"."T 1" WHERE ((c2 < 3)) ORDER BY c2 ASC NULLS LAST
|
|
Sort
|
|
Output: "C 1", c2
|
|
Sort Key: "T 1".c2
|
|
-> Seq Scan on "S 1"."T 1"
|
|
Output: "C 1", c2
|
|
Filter: ("T 1".c2 < 3)
|
|
|
|
(21 rows)
|
|
|
|
select c2, sum(c1) from ft1 where c2 < 3 group by cube(c2) order by 1 nulls last;
|
|
c2 | sum
|
|
----+--------
|
|
0 | 50500
|
|
1 | 49600
|
|
2 | 49700
|
|
| 149800
|
|
(4 rows)
|
|
|
|
explain (verbose, costs off)
|
|
select c2, c6, sum(c1) from ft1 where c2 < 3 group by grouping sets(c2, c6) order by 1 nulls last, 2 nulls last;
|
|
QUERY PLAN
|
|
----------------------------------------------------------------------------------------------------------------------------
|
|
Sort
|
|
Output: c2, c6, (sum(c1))
|
|
Sort Key: ft1.c2, ft1.c6
|
|
-> GroupAggregate
|
|
Output: c2, c6, sum(c1)
|
|
Group By Key: ft1.c2
|
|
Sort Key: ft1.c6
|
|
Group By Key: ft1.c6
|
|
-> Foreign Scan on public.ft1
|
|
Output: c2, c6, c1
|
|
Node ID: 1
|
|
Remote SQL: SELECT "C 1", c2, c6 FROM "S 1"."T 1" WHERE ((c2 < 3)) ORDER BY c2 ASC NULLS LAST
|
|
|
|
FDW remote plans:
|
|
Node 1: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT "C 1", c2, c6 FROM "S 1"."T 1" WHERE ((c2 < 3)) ORDER BY c2 ASC NULLS LAST
|
|
Sort
|
|
Output: "C 1", c2, c6
|
|
Sort Key: "T 1".c2
|
|
-> Seq Scan on "S 1"."T 1"
|
|
Output: "C 1", c2, c6
|
|
Filter: ("T 1".c2 < 3)
|
|
|
|
(22 rows)
|
|
|
|
select c2, c6, sum(c1) from ft1 where c2 < 3 group by grouping sets(c2, c6) order by 1 nulls last, 2 nulls last;
|
|
c2 | c6 | sum
|
|
----+----+-------
|
|
0 | | 50500
|
|
1 | | 49600
|
|
2 | | 49700
|
|
| 0 | 50500
|
|
| 1 | 49600
|
|
| 2 | 49700
|
|
(6 rows)
|
|
|
|
explain (verbose, costs off)
|
|
select c2, sum(c1), grouping(c2) from ft1 where c2 < 3 group by c2 order by 1 nulls last;
|
|
QUERY PLAN
|
|
---------------------------------------------------------------------------------------------
|
|
Sort
|
|
Output: c2, (sum(c1)), (GROUPING(c2))
|
|
Sort Key: ft1.c2
|
|
-> HashAggregate
|
|
Output: c2, sum(c1), GROUPING(c2)
|
|
Group By Key: ft1.c2
|
|
-> Foreign Scan on public.ft1
|
|
Output: c2, c1
|
|
Node ID: 1
|
|
Remote SQL: SELECT "C 1", c2 FROM "S 1"."T 1" WHERE ((c2 < 3))
|
|
|
|
FDW remote plans:
|
|
Node 1: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT "C 1", c2 FROM "S 1"."T 1" WHERE ((c2 < 3))
|
|
Seq Scan on "S 1"."T 1"
|
|
Output: "C 1", c2
|
|
Filter: ("T 1".c2 < 3)
|
|
|
|
(17 rows)
|
|
|
|
select c2, sum(c1), grouping(c2) from ft1 where c2 < 3 group by c2 order by 1 nulls last;
|
|
c2 | sum | grouping
|
|
----+-------+----------
|
|
0 | 50500 | 0
|
|
1 | 49600 | 0
|
|
2 | 49700 | 0
|
|
(3 rows)
|
|
|
|
-- DISTINCT itself is not pushed down, whereas underneath aggregate is pushed
|
|
explain (verbose, costs off)
|
|
select distinct sum(c1)/1000 s from ft2 where c2 < 6 group by c2 order by 1;
|
|
QUERY PLAN
|
|
---------------------------------------------------------------------------------------------
|
|
Unique
|
|
Output: ((sum(c1) / 1000)), c2
|
|
-> Sort
|
|
Output: ((sum(c1) / 1000)), c2
|
|
Sort Key: ((sum(ft2.c1) / 1000))
|
|
-> HashAggregate
|
|
Output: (sum(c1) / 1000), c2
|
|
Group By Key: ft2.c2
|
|
-> Foreign Scan on public.ft2
|
|
Output: c2, c1
|
|
Node ID: 1
|
|
Remote SQL: SELECT "C 1", c2 FROM "S 1"."T 1" WHERE ((c2 < 6))
|
|
|
|
FDW remote plans:
|
|
Node 1: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT "C 1", c2 FROM "S 1"."T 1" WHERE ((c2 < 6))
|
|
Seq Scan on "S 1"."T 1"
|
|
Output: "C 1", c2
|
|
Filter: ("T 1".c2 < 6)
|
|
|
|
(19 rows)
|
|
|
|
select distinct sum(c1)/1000 s from ft2 where c2 < 6 group by c2 order by 1;
|
|
s
|
|
------
|
|
49.6
|
|
49.7
|
|
49.8
|
|
49.9
|
|
50
|
|
50.5
|
|
(6 rows)
|
|
|
|
-- WindowAgg
|
|
explain (verbose, costs off)
|
|
select c2, sum(c2), count(c2) over (partition by c2%2) from ft2 where c2 < 10 group by c2 order by 1;
|
|
QUERY PLAN
|
|
------------------------------------------------------------------------------------------
|
|
Sort
|
|
Output: c2, (sum(c2)), (count(c2) OVER (PARTITION BY ((c2 % 2)))), ((c2 % 2))
|
|
Sort Key: ft2.c2
|
|
-> WindowAgg
|
|
Output: c2, (sum(c2)), count(c2) OVER (PARTITION BY ((c2 % 2))), ((c2 % 2))
|
|
-> Sort
|
|
Output: c2, ((c2 % 2)), (sum(c2))
|
|
Sort Key: ((ft2.c2 % 2))
|
|
-> GroupAggregate
|
|
Output: c2, (c2 % 2), sum(c2)
|
|
Group By Key: ft2.c2
|
|
-> Sort
|
|
Output: c2
|
|
Sort Key: ft2.c2
|
|
-> Foreign Scan on public.ft2
|
|
Output: c2
|
|
Node ID: 1
|
|
Remote SQL: SELECT c2 FROM "S 1"."T 1" WHERE ((c2 < 10))
|
|
|
|
FDW remote plans:
|
|
Node 1: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT c2 FROM "S 1"."T 1" WHERE ((c2 < 10))
|
|
Seq Scan on "S 1"."T 1"
|
|
Output: c2
|
|
Filter: ("T 1".c2 < 10)
|
|
|
|
(25 rows)
|
|
|
|
select c2, sum(c2), count(c2) over (partition by c2%2) from ft2 where c2 < 10 group by c2 order by 1;
|
|
c2 | sum | count
|
|
----+-----+-------
|
|
0 | 0 | 5
|
|
1 | 100 | 5
|
|
2 | 200 | 5
|
|
3 | 300 | 5
|
|
4 | 400 | 5
|
|
5 | 500 | 5
|
|
6 | 600 | 5
|
|
7 | 700 | 5
|
|
8 | 800 | 5
|
|
9 | 900 | 5
|
|
(10 rows)
|
|
|
|
explain (verbose, costs off)
|
|
select c2, array_agg(c2) over (partition by c2%2 order by c2 desc) from ft1 where c2 < 10 group by c2 order by 1;
|
|
QUERY PLAN
|
|
-------------------------------------------------------------------------------------------------------------
|
|
Sort
|
|
Output: c2, (array_agg(c2) OVER (PARTITION BY ((c2 % 2)) ORDER BY c2 USING = NULLS LAST)), ((c2 % 2))
|
|
Sort Key: ft1.c2
|
|
-> WindowAgg
|
|
Output: c2, array_agg(c2) OVER (PARTITION BY ((c2 % 2)) ORDER BY c2 USING = NULLS LAST), ((c2 % 2))
|
|
-> Sort
|
|
Output: c2, ((c2 % 2))
|
|
Sort Key: ((ft1.c2 % 2)), ft1.c2 DESC
|
|
-> HashAggregate
|
|
Output: c2, (c2 % 2)
|
|
Group By Key: ft1.c2
|
|
-> Foreign Scan on public.ft1
|
|
Output: c2
|
|
Node ID: 1
|
|
Remote SQL: SELECT c2 FROM "S 1"."T 1" WHERE ((c2 < 10))
|
|
|
|
FDW remote plans:
|
|
Node 1: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT c2 FROM "S 1"."T 1" WHERE ((c2 < 10))
|
|
Seq Scan on "S 1"."T 1"
|
|
Output: c2
|
|
Filter: ("T 1".c2 < 10)
|
|
|
|
(22 rows)
|
|
|
|
select c2, array_agg(c2) over (partition by c2%2 order by c2 desc) from ft1 where c2 < 10 group by c2 order by 1;
|
|
c2 | array_agg
|
|
----+-------------
|
|
0 | {8,6,4,2,0}
|
|
1 | {9,7,5,3,1}
|
|
2 | {8,6,4,2}
|
|
3 | {9,7,5,3}
|
|
4 | {8,6,4}
|
|
5 | {9,7,5}
|
|
6 | {8,6}
|
|
7 | {9,7}
|
|
8 | {8}
|
|
9 | {9}
|
|
(10 rows)
|
|
|
|
explain (verbose, costs off)
|
|
select c2, array_agg(c2) over (partition by c2%2 order by c2 range between current row and unbounded following) from ft1 where c2 < 10 group by c2 order by 1;
|
|
QUERY PLAN
|
|
---------------------------------------------------------------------------------------------------------------------------------------------------------------
|
|
Sort
|
|
Output: c2, (array_agg(c2) OVER (PARTITION BY ((c2 % 2)) ORDER BY c2 USING = NULLS LAST RANGE BETWEEN CURRENT ROW AND UNBOUNDED FOLLOWING)), ((c2 % 2))
|
|
Sort Key: ft1.c2
|
|
-> WindowAgg
|
|
Output: c2, array_agg(c2) OVER (PARTITION BY ((c2 % 2)) ORDER BY c2 USING = NULLS LAST RANGE BETWEEN CURRENT ROW AND UNBOUNDED FOLLOWING), ((c2 % 2))
|
|
-> Sort
|
|
Output: c2, ((c2 % 2))
|
|
Sort Key: ((ft1.c2 % 2)), ft1.c2
|
|
-> HashAggregate
|
|
Output: c2, (c2 % 2)
|
|
Group By Key: ft1.c2
|
|
-> Foreign Scan on public.ft1
|
|
Output: c2
|
|
Node ID: 1
|
|
Remote SQL: SELECT c2 FROM "S 1"."T 1" WHERE ((c2 < 10))
|
|
|
|
FDW remote plans:
|
|
Node 1: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT c2 FROM "S 1"."T 1" WHERE ((c2 < 10))
|
|
Seq Scan on "S 1"."T 1"
|
|
Output: c2
|
|
Filter: ("T 1".c2 < 10)
|
|
|
|
(22 rows)
|
|
|
|
select c2, array_agg(c2) over (partition by c2%2 order by c2 range between current row and unbounded following) from ft1 where c2 < 10 group by c2 order by 1;
|
|
c2 | array_agg
|
|
----+-------------
|
|
0 | {0,2,4,6,8}
|
|
1 | {1,3,5,7,9}
|
|
2 | {2,4,6,8}
|
|
3 | {3,5,7,9}
|
|
4 | {4,6,8}
|
|
5 | {5,7,9}
|
|
6 | {6,8}
|
|
7 | {7,9}
|
|
8 | {8}
|
|
9 | {9}
|
|
(10 rows)
|
|
|
|
-- Same group by
|
|
explain verbose select c1,c1,c1,count(*) from ft1 group by 1,1,1;
|
|
QUERY PLAN
|
|
---------------------------------------------------------------------------
|
|
HashAggregate (cost=146.00..156.00 rows=1000 width=12)
|
|
Output: c1, c1, c1, count(*)
|
|
Group By Key: ft1.c1
|
|
-> Foreign Scan on public.ft1 (cost=100.00..141.00 rows=1000 width=4)
|
|
Output: c1
|
|
Node ID: 1
|
|
Remote SQL: SELECT "C 1" FROM "S 1"."T 1"
|
|
|
|
FDW remote plans:
|
|
Node 1: EXPLAIN (VERBOSE ON, COSTS ON) SELECT "C 1" FROM "S 1"."T 1"
|
|
Seq Scan on "S 1"."T 1" (cost=0.00..21.00 rows=1000 width=4)
|
|
Output: "C 1"
|
|
|
|
(13 rows)
|
|
|
|
set enable_hashagg = off;
|
|
explain verbose select c1,c1,c1,count(*) from ft1 group by 1,1,1;
|
|
QUERY PLAN
|
|
--------------------------------------------------------------------------------------------
|
|
Foreign Scan (cost=105.00..156.00 rows=1000 width=0)
|
|
Output: c1, c1, c1, (count(*))
|
|
Node ID: 1
|
|
Relations: Aggregate on (public.ft1)
|
|
Remote SQL: SELECT "C 1", count(*) FROM "S 1"."T 1" GROUP BY 1
|
|
|
|
FDW remote plans:
|
|
Node 1: EXPLAIN (VERBOSE ON, COSTS ON) SELECT "C 1", count(*) FROM "S 1"."T 1" GROUP BY 1
|
|
HashAggregate (cost=26.00..36.00 rows=1000 width=12)
|
|
Output: "C 1", count(*)
|
|
Group By Key: "T 1"."C 1"
|
|
-> Seq Scan on "S 1"."T 1" (cost=0.00..21.00 rows=1000 width=4)
|
|
Output: "C 1"
|
|
|
|
(14 rows)
|
|
|
|
set enable_hashagg = on;
|
|
-- ======================================================================================================================================
|
|
-- TEST-MODULE: parameterized queries
|
|
-- --------------------------------------
|
|
-- ======================================================================================================================================
|
|
-- simple join
|
|
PREPARE st1(int, int) AS SELECT t1.c3, t2.c3 FROM ft1 t1, ft2 t2 WHERE t1.c1 = $1 AND t2.c1 = $2;
|
|
EXPLAIN (VERBOSE, COSTS OFF) EXECUTE st1(1, 2);
|
|
QUERY PLAN
|
|
-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------
|
|
Foreign Scan
|
|
Output: t1.c3, t2.c3
|
|
Node ID: 1
|
|
Relations: (public.ft1 t1) INNER JOIN (public.ft2 t2)
|
|
Remote SQL: SELECT r1.c3, r2.c3 FROM ("S 1"."T 1" r1 INNER JOIN "S 1"."T 1" r2 ON (((r2."C 1" = $1::integer)) AND ((r1."C 1" = $2::integer))))
|
|
|
|
FDW remote plans:
|
|
Node 1: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT r1.c3, r2.c3 FROM ("S 1"."T 1" r1 INNER JOIN "S 1"."T 1" r2 ON (((r2."C 1" = $1::integer)) AND ((r1."C 1" = $2::integer))))
|
|
failed to get remote plan, error massage is:
|
|
there is no parameter $1
|
|
|
|
(11 rows)
|
|
|
|
EXECUTE st1(1, 1);
|
|
c3 | c3
|
|
-------+-------
|
|
00001 | 00001
|
|
(1 row)
|
|
|
|
EXECUTE st1(101, 101);
|
|
c3 | c3
|
|
-------+-------
|
|
00101 | 00101
|
|
(1 row)
|
|
|
|
-- subquery using stable function (can't be sent to remote)
|
|
PREPARE st2(int) AS SELECT * FROM ft1 t1 WHERE t1.c1 < $2 AND t1.c3 IN (SELECT c3 FROM ft2 t2 WHERE c1 > $1 AND "date"(c4) = '1970-01-17'::date) ORDER BY c1;
|
|
EXPLAIN (VERBOSE, COSTS OFF) EXECUTE st2(10, 20);
|
|
QUERY PLAN
|
|
----------------------------------------------------------------------------------------------------------------------------------
|
|
Sort
|
|
Output: t1.c1, t1.c2, t1.c3, t1.c4, t1.c5, t1.c6, t1.c7, t1.c8
|
|
Sort Key: t1.c1
|
|
-> Hash Semi Join
|
|
Output: t1.c1, t1.c2, t1.c3, t1.c4, t1.c5, t1.c6, t1.c7, t1.c8
|
|
Hash Cond: (t1.c3 = t2.c3)
|
|
-> Foreign Scan on public.ft1 t1
|
|
Output: t1.c1, t1.c2, t1.c3, t1.c4, t1.c5, t1.c6, t1.c7, t1.c8
|
|
Node ID: 1
|
|
Remote SQL: SELECT "C 1", c2, c3, c4, c5, c6, c7, c8 FROM "S 1"."T 1" WHERE (("C 1" < $1::integer))
|
|
-> Hash
|
|
Output: t2.c3
|
|
-> Foreign Scan on public.ft2 t2
|
|
Output: t2.c3
|
|
Filter: ("date"(t2.c4) = 'Sat Jan 17 00:00:00 1970'::timestamp(0) without time zone)
|
|
Node ID: 2
|
|
Remote SQL: SELECT c3, c4 FROM "S 1"."T 1" WHERE (("C 1" > $1::integer))
|
|
|
|
FDW remote plans:
|
|
Node 1: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT "C 1", c2, c3, c4, c5, c6, c7, c8 FROM "S 1"."T 1" WHERE (("C 1" < $1::integer))
|
|
failed to get remote plan, error massage is:
|
|
there is no parameter $1
|
|
Node 2: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT c3, c4 FROM "S 1"."T 1" WHERE (("C 1" > $1::integer))
|
|
failed to get remote plan, error massage is:
|
|
current transaction is aborted, commands ignored until end of transaction block, firstChar[Q]
|
|
|
|
(26 rows)
|
|
|
|
EXECUTE st2(10, 20);
|
|
c1 | c2 | c3 | c4 | c5 | c6 | c7 | c8
|
|
----+----+-------+------------------------------+--------------------------+----+------------+-----
|
|
16 | 6 | 00016 | Sat Jan 17 00:00:00 1970 PST | Sat Jan 17 00:00:00 1970 | 6 | 6 | foo
|
|
(1 row)
|
|
|
|
EXECUTE st2(101, 121);
|
|
c1 | c2 | c3 | c4 | c5 | c6 | c7 | c8
|
|
-----+----+-------+------------------------------+--------------------------+----+------------+-----
|
|
116 | 6 | 00116 | Sat Jan 17 00:00:00 1970 PST | Sat Jan 17 00:00:00 1970 | 6 | 6 | foo
|
|
(1 row)
|
|
|
|
-- subquery using immutable function (can be sent to remote)
|
|
PREPARE st3(int) AS SELECT * FROM ft1 t1 WHERE t1.c1 < $2 AND t1.c3 IN (SELECT c3 FROM ft2 t2 WHERE c1 > $1 AND "date"(c5) = '1970-01-17'::date) ORDER BY c1;
|
|
EXPLAIN (VERBOSE, COSTS OFF) EXECUTE st3(10, 20);
|
|
QUERY PLAN
|
|
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
|
|
Sort
|
|
Output: t1.c1, t1.c2, t1.c3, t1.c4, t1.c5, t1.c6, t1.c7, t1.c8
|
|
Sort Key: t1.c1
|
|
-> Hash Semi Join
|
|
Output: t1.c1, t1.c2, t1.c3, t1.c4, t1.c5, t1.c6, t1.c7, t1.c8
|
|
Hash Cond: (t1.c3 = t2.c3)
|
|
-> Foreign Scan on public.ft1 t1
|
|
Output: t1.c1, t1.c2, t1.c3, t1.c4, t1.c5, t1.c6, t1.c7, t1.c8
|
|
Node ID: 1
|
|
Remote SQL: SELECT "C 1", c2, c3, c4, c5, c6, c7, c8 FROM "S 1"."T 1" WHERE (("C 1" < $1::integer))
|
|
-> Hash
|
|
Output: t2.c3
|
|
-> Foreign Scan on public.ft2 t2
|
|
Output: t2.c3
|
|
Node ID: 2
|
|
Remote SQL: SELECT c3 FROM "S 1"."T 1" WHERE (("C 1" > $1::integer)) AND (("date"(c5) = '1970-01-17 00:00:00'::timestamp(0) without time zone))
|
|
|
|
FDW remote plans:
|
|
Node 1: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT "C 1", c2, c3, c4, c5, c6, c7, c8 FROM "S 1"."T 1" WHERE (("C 1" < $1::integer))
|
|
failed to get remote plan, error massage is:
|
|
there is no parameter $1
|
|
Node 2: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT c3 FROM "S 1"."T 1" WHERE (("C 1" > $1::integer)) AND (("date"(c5) = '1970-01-17 00:00:00'::timestamp(0) without time zone))
|
|
failed to get remote plan, error massage is:
|
|
current transaction is aborted, commands ignored until end of transaction block, firstChar[Q]
|
|
|
|
(25 rows)
|
|
|
|
EXECUTE st3(10, 20);
|
|
c1 | c2 | c3 | c4 | c5 | c6 | c7 | c8
|
|
----+----+-------+------------------------------+--------------------------+----+------------+-----
|
|
16 | 6 | 00016 | Sat Jan 17 00:00:00 1970 PST | Sat Jan 17 00:00:00 1970 | 6 | 6 | foo
|
|
(1 row)
|
|
|
|
EXECUTE st3(20, 30);
|
|
c1 | c2 | c3 | c4 | c5 | c6 | c7 | c8
|
|
----+----+----+----+----+----+----+----
|
|
(0 rows)
|
|
|
|
-- custom plan should be chosen initially
|
|
PREPARE st4(int) AS SELECT * FROM ft1 t1 WHERE t1.c1 = $1;
|
|
EXPLAIN (VERBOSE, COSTS OFF) EXECUTE st4(1);
|
|
QUERY PLAN
|
|
----------------------------------------------------------------------------------------------------------------------------------
|
|
Foreign Scan on public.ft1 t1
|
|
Output: c1, c2, c3, c4, c5, c6, c7, c8
|
|
Node ID: 1
|
|
Remote SQL: SELECT "C 1", c2, c3, c4, c5, c6, c7, c8 FROM "S 1"."T 1" WHERE (("C 1" = $1::integer))
|
|
|
|
FDW remote plans:
|
|
Node 1: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT "C 1", c2, c3, c4, c5, c6, c7, c8 FROM "S 1"."T 1" WHERE (("C 1" = $1::integer))
|
|
failed to get remote plan, error massage is:
|
|
there is no parameter $1
|
|
|
|
(10 rows)
|
|
|
|
EXPLAIN (VERBOSE, COSTS OFF) EXECUTE st4(1);
|
|
QUERY PLAN
|
|
----------------------------------------------------------------------------------------------------------------------------------
|
|
Foreign Scan on public.ft1 t1
|
|
Output: c1, c2, c3, c4, c5, c6, c7, c8
|
|
Node ID: 1
|
|
Remote SQL: SELECT "C 1", c2, c3, c4, c5, c6, c7, c8 FROM "S 1"."T 1" WHERE (("C 1" = $1::integer))
|
|
|
|
FDW remote plans:
|
|
Node 1: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT "C 1", c2, c3, c4, c5, c6, c7, c8 FROM "S 1"."T 1" WHERE (("C 1" = $1::integer))
|
|
failed to get remote plan, error massage is:
|
|
there is no parameter $1
|
|
|
|
(10 rows)
|
|
|
|
EXPLAIN (VERBOSE, COSTS OFF) EXECUTE st4(1);
|
|
QUERY PLAN
|
|
----------------------------------------------------------------------------------------------------------------------------------
|
|
Foreign Scan on public.ft1 t1
|
|
Output: c1, c2, c3, c4, c5, c6, c7, c8
|
|
Node ID: 1
|
|
Remote SQL: SELECT "C 1", c2, c3, c4, c5, c6, c7, c8 FROM "S 1"."T 1" WHERE (("C 1" = $1::integer))
|
|
|
|
FDW remote plans:
|
|
Node 1: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT "C 1", c2, c3, c4, c5, c6, c7, c8 FROM "S 1"."T 1" WHERE (("C 1" = $1::integer))
|
|
failed to get remote plan, error massage is:
|
|
there is no parameter $1
|
|
|
|
(10 rows)
|
|
|
|
EXPLAIN (VERBOSE, COSTS OFF) EXECUTE st4(1);
|
|
QUERY PLAN
|
|
----------------------------------------------------------------------------------------------------------------------------------
|
|
Foreign Scan on public.ft1 t1
|
|
Output: c1, c2, c3, c4, c5, c6, c7, c8
|
|
Node ID: 1
|
|
Remote SQL: SELECT "C 1", c2, c3, c4, c5, c6, c7, c8 FROM "S 1"."T 1" WHERE (("C 1" = $1::integer))
|
|
|
|
FDW remote plans:
|
|
Node 1: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT "C 1", c2, c3, c4, c5, c6, c7, c8 FROM "S 1"."T 1" WHERE (("C 1" = $1::integer))
|
|
failed to get remote plan, error massage is:
|
|
there is no parameter $1
|
|
|
|
(10 rows)
|
|
|
|
EXPLAIN (VERBOSE, COSTS OFF) EXECUTE st4(1);
|
|
QUERY PLAN
|
|
----------------------------------------------------------------------------------------------------------------------------------
|
|
Foreign Scan on public.ft1 t1
|
|
Output: c1, c2, c3, c4, c5, c6, c7, c8
|
|
Node ID: 1
|
|
Remote SQL: SELECT "C 1", c2, c3, c4, c5, c6, c7, c8 FROM "S 1"."T 1" WHERE (("C 1" = $1::integer))
|
|
|
|
FDW remote plans:
|
|
Node 1: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT "C 1", c2, c3, c4, c5, c6, c7, c8 FROM "S 1"."T 1" WHERE (("C 1" = $1::integer))
|
|
failed to get remote plan, error massage is:
|
|
there is no parameter $1
|
|
|
|
(10 rows)
|
|
|
|
-- once we try it enough times, should switch to generic plan
|
|
EXPLAIN (VERBOSE, COSTS OFF) EXECUTE st4(1);
|
|
QUERY PLAN
|
|
----------------------------------------------------------------------------------------------------------------------------------
|
|
Foreign Scan on public.ft1 t1
|
|
Output: c1, c2, c3, c4, c5, c6, c7, c8
|
|
Node ID: 1
|
|
Remote SQL: SELECT "C 1", c2, c3, c4, c5, c6, c7, c8 FROM "S 1"."T 1" WHERE (("C 1" = $1::integer))
|
|
|
|
FDW remote plans:
|
|
Node 1: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT "C 1", c2, c3, c4, c5, c6, c7, c8 FROM "S 1"."T 1" WHERE (("C 1" = $1::integer))
|
|
failed to get remote plan, error massage is:
|
|
there is no parameter $1
|
|
|
|
(10 rows)
|
|
|
|
-- value of $1 should not be sent to remote
|
|
PREPARE st5(user_enum,int) AS SELECT * FROM ft1 t1 WHERE c8 = $1 and c1 = $2;
|
|
EXPLAIN (VERBOSE, COSTS OFF) EXECUTE st5('foo', 1);
|
|
QUERY PLAN
|
|
----------------------------------------------------------------------------------------------------------------------------------
|
|
Foreign Scan on public.ft1 t1
|
|
Output: c1, c2, c3, c4, c5, c6, c7, c8
|
|
Filter: (t1.c8 = $1)
|
|
Node ID: 1
|
|
Remote SQL: SELECT "C 1", c2, c3, c4, c5, c6, c7, c8 FROM "S 1"."T 1" WHERE (("C 1" = $1::integer))
|
|
|
|
FDW remote plans:
|
|
Node 1: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT "C 1", c2, c3, c4, c5, c6, c7, c8 FROM "S 1"."T 1" WHERE (("C 1" = $1::integer))
|
|
failed to get remote plan, error massage is:
|
|
there is no parameter $1
|
|
|
|
(11 rows)
|
|
|
|
EXPLAIN (VERBOSE, COSTS OFF) EXECUTE st5('foo', 1);
|
|
QUERY PLAN
|
|
----------------------------------------------------------------------------------------------------------------------------------
|
|
Foreign Scan on public.ft1 t1
|
|
Output: c1, c2, c3, c4, c5, c6, c7, c8
|
|
Filter: (t1.c8 = $1)
|
|
Node ID: 1
|
|
Remote SQL: SELECT "C 1", c2, c3, c4, c5, c6, c7, c8 FROM "S 1"."T 1" WHERE (("C 1" = $1::integer))
|
|
|
|
FDW remote plans:
|
|
Node 1: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT "C 1", c2, c3, c4, c5, c6, c7, c8 FROM "S 1"."T 1" WHERE (("C 1" = $1::integer))
|
|
failed to get remote plan, error massage is:
|
|
there is no parameter $1
|
|
|
|
(11 rows)
|
|
|
|
EXPLAIN (VERBOSE, COSTS OFF) EXECUTE st5('foo', 1);
|
|
QUERY PLAN
|
|
----------------------------------------------------------------------------------------------------------------------------------
|
|
Foreign Scan on public.ft1 t1
|
|
Output: c1, c2, c3, c4, c5, c6, c7, c8
|
|
Filter: (t1.c8 = $1)
|
|
Node ID: 1
|
|
Remote SQL: SELECT "C 1", c2, c3, c4, c5, c6, c7, c8 FROM "S 1"."T 1" WHERE (("C 1" = $1::integer))
|
|
|
|
FDW remote plans:
|
|
Node 1: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT "C 1", c2, c3, c4, c5, c6, c7, c8 FROM "S 1"."T 1" WHERE (("C 1" = $1::integer))
|
|
failed to get remote plan, error massage is:
|
|
there is no parameter $1
|
|
|
|
(11 rows)
|
|
|
|
EXPLAIN (VERBOSE, COSTS OFF) EXECUTE st5('foo', 1);
|
|
QUERY PLAN
|
|
----------------------------------------------------------------------------------------------------------------------------------
|
|
Foreign Scan on public.ft1 t1
|
|
Output: c1, c2, c3, c4, c5, c6, c7, c8
|
|
Filter: (t1.c8 = $1)
|
|
Node ID: 1
|
|
Remote SQL: SELECT "C 1", c2, c3, c4, c5, c6, c7, c8 FROM "S 1"."T 1" WHERE (("C 1" = $1::integer))
|
|
|
|
FDW remote plans:
|
|
Node 1: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT "C 1", c2, c3, c4, c5, c6, c7, c8 FROM "S 1"."T 1" WHERE (("C 1" = $1::integer))
|
|
failed to get remote plan, error massage is:
|
|
there is no parameter $1
|
|
|
|
(11 rows)
|
|
|
|
EXPLAIN (VERBOSE, COSTS OFF) EXECUTE st5('foo', 1);
|
|
QUERY PLAN
|
|
----------------------------------------------------------------------------------------------------------------------------------
|
|
Foreign Scan on public.ft1 t1
|
|
Output: c1, c2, c3, c4, c5, c6, c7, c8
|
|
Filter: (t1.c8 = $1)
|
|
Node ID: 1
|
|
Remote SQL: SELECT "C 1", c2, c3, c4, c5, c6, c7, c8 FROM "S 1"."T 1" WHERE (("C 1" = $1::integer))
|
|
|
|
FDW remote plans:
|
|
Node 1: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT "C 1", c2, c3, c4, c5, c6, c7, c8 FROM "S 1"."T 1" WHERE (("C 1" = $1::integer))
|
|
failed to get remote plan, error massage is:
|
|
there is no parameter $1
|
|
|
|
(11 rows)
|
|
|
|
EXPLAIN (VERBOSE, COSTS OFF) EXECUTE st5('foo', 1);
|
|
QUERY PLAN
|
|
----------------------------------------------------------------------------------------------------------------------------------
|
|
Foreign Scan on public.ft1 t1
|
|
Output: c1, c2, c3, c4, c5, c6, c7, c8
|
|
Filter: (t1.c8 = $1)
|
|
Node ID: 1
|
|
Remote SQL: SELECT "C 1", c2, c3, c4, c5, c6, c7, c8 FROM "S 1"."T 1" WHERE (("C 1" = $1::integer))
|
|
|
|
FDW remote plans:
|
|
Node 1: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT "C 1", c2, c3, c4, c5, c6, c7, c8 FROM "S 1"."T 1" WHERE (("C 1" = $1::integer))
|
|
failed to get remote plan, error massage is:
|
|
there is no parameter $1
|
|
|
|
(11 rows)
|
|
|
|
EXECUTE st5('foo', 1);
|
|
c1 | c2 | c3 | c4 | c5 | c6 | c7 | c8
|
|
----+----+-------+------------------------------+--------------------------+----+------------+-----
|
|
1 | 1 | 00001 | Fri Jan 02 00:00:00 1970 PST | Fri Jan 02 00:00:00 1970 | 1 | 1 | foo
|
|
(1 row)
|
|
|
|
-- altering FDW options requires replanning
|
|
PREPARE st6 AS SELECT * FROM ft1 t1 WHERE t1.c1 = t1.c2;
|
|
EXPLAIN (VERBOSE, COSTS OFF) EXECUTE st6;
|
|
QUERY PLAN
|
|
-------------------------------------------------------------------------------------------------------------------------
|
|
Foreign Scan on public.ft1 t1
|
|
Output: c1, c2, c3, c4, c5, c6, c7, c8
|
|
Node ID: 1
|
|
Remote SQL: SELECT "C 1", c2, c3, c4, c5, c6, c7, c8 FROM "S 1"."T 1" WHERE (("C 1" = c2))
|
|
|
|
FDW remote plans:
|
|
Node 1: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT "C 1", c2, c3, c4, c5, c6, c7, c8 FROM "S 1"."T 1" WHERE (("C 1" = c2))
|
|
Seq Scan on "S 1"."T 1"
|
|
Output: "C 1", c2, c3, c4, c5, c6, c7, c8
|
|
Filter: ("T 1"."C 1" = "T 1".c2)
|
|
|
|
(11 rows)
|
|
|
|
PREPARE st7 AS INSERT INTO ft1 (c1,c2,c3) VALUES (1001,101,'foo');
|
|
EXPLAIN (VERBOSE, COSTS OFF) EXECUTE st7;
|
|
QUERY PLAN
|
|
-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
|
|
Insert on public.ft1
|
|
-> Result
|
|
Output: NULL::integer, 1001, 101, 'foo'::text, NULL::timestamp with time zone, NULL::timestamp without time zone, NULL::character varying, 'ft1 '::character(10), NULL::user_enum
|
|
(3 rows)
|
|
|
|
ALTER TABLE "S 1"."T 1" RENAME TO "T 0";
|
|
ALTER FOREIGN TABLE ft1 OPTIONS (SET table_name 'T 0');
|
|
EXPLAIN (VERBOSE, COSTS OFF) EXECUTE st6;
|
|
QUERY PLAN
|
|
-------------------------------------------------------------------------------------------------------------------------
|
|
Foreign Scan on public.ft1 t1
|
|
Output: c1, c2, c3, c4, c5, c6, c7, c8
|
|
Node ID: 1
|
|
Remote SQL: SELECT "C 1", c2, c3, c4, c5, c6, c7, c8 FROM "S 1"."T 0" WHERE (("C 1" = c2))
|
|
|
|
FDW remote plans:
|
|
Node 1: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT "C 1", c2, c3, c4, c5, c6, c7, c8 FROM "S 1"."T 0" WHERE (("C 1" = c2))
|
|
Seq Scan on "S 1"."T 0"
|
|
Output: "C 1", c2, c3, c4, c5, c6, c7, c8
|
|
Filter: ("T 0"."C 1" = "T 0".c2)
|
|
|
|
(11 rows)
|
|
|
|
EXECUTE st6; --nspt
|
|
c1 | c2 | c3 | c4 | c5 | c6 | c7 | c8
|
|
----+----+-------+------------------------------+--------------------------+----+------------+-----
|
|
1 | 1 | 00001 | Fri Jan 02 00:00:00 1970 PST | Fri Jan 02 00:00:00 1970 | 1 | 1 | foo
|
|
2 | 2 | 00002 | Sat Jan 03 00:00:00 1970 PST | Sat Jan 03 00:00:00 1970 | 2 | 2 | foo
|
|
3 | 3 | 00003 | Sun Jan 04 00:00:00 1970 PST | Sun Jan 04 00:00:00 1970 | 3 | 3 | foo
|
|
4 | 4 | 00004 | Mon Jan 05 00:00:00 1970 PST | Mon Jan 05 00:00:00 1970 | 4 | 4 | foo
|
|
5 | 5 | 00005 | Tue Jan 06 00:00:00 1970 PST | Tue Jan 06 00:00:00 1970 | 5 | 5 | foo
|
|
6 | 6 | 00006 | Wed Jan 07 00:00:00 1970 PST | Wed Jan 07 00:00:00 1970 | 6 | 6 | foo
|
|
7 | 7 | 00007 | Thu Jan 08 00:00:00 1970 PST | Thu Jan 08 00:00:00 1970 | 7 | 7 | foo
|
|
8 | 8 | 00008 | Fri Jan 09 00:00:00 1970 PST | Fri Jan 09 00:00:00 1970 | 8 | 8 | foo
|
|
9 | 9 | 00009 | Sat Jan 10 00:00:00 1970 PST | Sat Jan 10 00:00:00 1970 | 9 | 9 | foo
|
|
(9 rows)
|
|
|
|
EXPLAIN (VERBOSE, COSTS OFF) EXECUTE st7;
|
|
QUERY PLAN
|
|
-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
|
|
Insert on public.ft1
|
|
-> Result
|
|
Output: NULL::integer, 1001, 101, 'foo'::text, NULL::timestamp with time zone, NULL::timestamp without time zone, NULL::character varying, 'ft1 '::character(10), NULL::user_enum
|
|
(3 rows)
|
|
|
|
ALTER TABLE "S 1"."T 0" RENAME TO "T 1";
|
|
ALTER FOREIGN TABLE ft1 OPTIONS (SET table_name 'T 1');
|
|
PREPARE st8 AS SELECT count(c3) FROM ft1 t1 WHERE t1.c1 === t1.c2;
|
|
EXPLAIN (VERBOSE, COSTS OFF) EXECUTE st8;
|
|
QUERY PLAN
|
|
--------------------------------------------------------------------------------
|
|
Aggregate
|
|
Output: count(c3)
|
|
-> Foreign Scan on public.ft1 t1
|
|
Output: c3
|
|
Filter: (t1.c1 === t1.c2)
|
|
Node ID: 1
|
|
Remote SQL: SELECT "C 1", c2, c3 FROM "S 1"."T 1"
|
|
|
|
FDW remote plans:
|
|
Node 1: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT "C 1", c2, c3 FROM "S 1"."T 1"
|
|
Seq Scan on "S 1"."T 1"
|
|
Output: "C 1", c2, c3
|
|
|
|
(13 rows)
|
|
|
|
ALTER SERVER loopback OPTIONS (DROP extensions);
|
|
ERROR: option "extensions" not found
|
|
EXPLAIN (VERBOSE, COSTS OFF) EXECUTE st8;
|
|
QUERY PLAN
|
|
--------------------------------------------------------------------------------
|
|
Aggregate
|
|
Output: count(c3)
|
|
-> Foreign Scan on public.ft1 t1
|
|
Output: c3
|
|
Filter: (t1.c1 === t1.c2)
|
|
Node ID: 1
|
|
Remote SQL: SELECT "C 1", c2, c3 FROM "S 1"."T 1"
|
|
|
|
FDW remote plans:
|
|
Node 1: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT "C 1", c2, c3 FROM "S 1"."T 1"
|
|
Seq Scan on "S 1"."T 1"
|
|
Output: "C 1", c2, c3
|
|
|
|
(13 rows)
|
|
|
|
EXECUTE st8;
|
|
count
|
|
-------
|
|
9
|
|
(1 row)
|
|
|
|
ALTER SERVER loopback OPTIONS (ADD extensions 'postgres_fdw');
|
|
ERROR: invalid option "extensions"
|
|
HINT: Valid options in this context are: service, connect_timeout, dbname, host, remote_nodename, hostaddr, port, localhost, localport, application_name, fencedUdfRPCMode, keepalives, keepalives_idle, keepalives_interval, keepalives_count, tcp_user_timeout, rw_timeout, sslmode, sslcompression, sslcert, sslkey, sslrootcert, sslcrl, requirepeer, krbsrvname, prototype, connection_info, connectionExtraInfo, target_session_attrs, use_remote_estimate, fdw_startup_cost, fdw_tuple_cost, updatable
|
|
-- cleanup
|
|
DEALLOCATE st1;
|
|
DEALLOCATE st2;
|
|
DEALLOCATE st3;
|
|
DEALLOCATE st4;
|
|
DEALLOCATE st5;
|
|
DEALLOCATE st6;
|
|
DEALLOCATE st7;
|
|
DEALLOCATE st8;
|
|
-- System columns, except ctid and oid, should not be sent to remote
|
|
-- openGauss NOT SUPPROT select system columns in ftable.
|
|
EXPLAIN (VERBOSE, COSTS OFF)
|
|
SELECT * FROM ft1 t1 WHERE t1.tableoid = 'pg_class'::regclass LIMIT 1;
|
|
ERROR: column t1.tableoid does not exist
|
|
LINE 2: SELECT * FROM ft1 t1 WHERE t1.tableoid = 'pg_class'::regclas...
|
|
^
|
|
SELECT * FROM ft1 t1 WHERE t1.tableoid = 'ft1'::regclass LIMIT 1;
|
|
ERROR: column t1.tableoid does not exist
|
|
LINE 1: SELECT * FROM ft1 t1 WHERE t1.tableoid = 'ft1'::regclass LIM...
|
|
^
|
|
EXPLAIN (VERBOSE, COSTS OFF)
|
|
SELECT tableoid::regclass, * FROM ft1 t1 LIMIT 1;
|
|
ERROR: column "tableoid" does not exist
|
|
LINE 2: SELECT tableoid::regclass, * FROM ft1 t1 LIMIT 1;
|
|
^
|
|
CONTEXT: referenced column: tableoid
|
|
SELECT tableoid::regclass, * FROM ft1 t1 LIMIT 1;
|
|
ERROR: column "tableoid" does not exist
|
|
LINE 1: SELECT tableoid::regclass, * FROM ft1 t1 LIMIT 1;
|
|
^
|
|
CONTEXT: referenced column: tableoid
|
|
EXPLAIN (VERBOSE, COSTS OFF)
|
|
SELECT * FROM ft1 t1 WHERE t1.ctid = '(0,2)';
|
|
ERROR: column t1.ctid does not exist
|
|
LINE 2: SELECT * FROM ft1 t1 WHERE t1.ctid = '(0,2)';
|
|
^
|
|
SELECT * FROM ft1 t1 WHERE t1.ctid = '(0,2)';
|
|
ERROR: column t1.ctid does not exist
|
|
LINE 1: SELECT * FROM ft1 t1 WHERE t1.ctid = '(0,2)';
|
|
^
|
|
EXPLAIN (VERBOSE, COSTS OFF)
|
|
SELECT ctid, * FROM ft1 t1 LIMIT 1;
|
|
ERROR: column "ctid" does not exist
|
|
LINE 2: SELECT ctid, * FROM ft1 t1 LIMIT 1;
|
|
^
|
|
CONTEXT: referenced column: ctid
|
|
SELECT ctid, * FROM ft1 t1 LIMIT 1;
|
|
ERROR: column "ctid" does not exist
|
|
LINE 1: SELECT ctid, * FROM ft1 t1 LIMIT 1;
|
|
^
|
|
CONTEXT: referenced column: ctid
|
|
-- ======================================================================================================================================
|
|
-- TEST-MODULE: used in PL/pgSQL function
|
|
-- --------------------------------------
|
|
-- ======================================================================================================================================
|
|
CREATE OR REPLACE FUNCTION f_test(p_c1 int) RETURNS int AS $$
|
|
DECLARE
|
|
v_c1 int;
|
|
BEGIN
|
|
SELECT c1 INTO v_c1 FROM ft1 WHERE c1 = p_c1 LIMIT 1;
|
|
PERFORM c1 FROM ft1 WHERE c1 = p_c1 AND p_c1 = v_c1 LIMIT 1;
|
|
RETURN v_c1;
|
|
END;
|
|
$$ LANGUAGE plpgsql;
|
|
SELECT f_test(100);
|
|
f_test
|
|
--------
|
|
100
|
|
(1 row)
|
|
|
|
DROP FUNCTION f_test(int);
|
|
-- ======================================================================================================================================
|
|
-- TEST-MODULE: REINDEX
|
|
-- --------------------------------------
|
|
-- ======================================================================================================================================
|
|
-- remote table is not created here
|
|
CREATE FOREIGN TABLE reindex_foreign (c1 int, c2 int)
|
|
SERVER loopback2 OPTIONS (table_name 'reindex_local');
|
|
REINDEX TABLE reindex_foreign; -- error
|
|
ERROR: "reindex_foreign" is not a table or materialized view
|
|
REINDEX TABLE CONCURRENTLY reindex_foreign; -- error --nspt
|
|
ERROR: "reindex_foreign" is not a table or materialized view
|
|
DROP FOREIGN TABLE reindex_foreign;
|
|
-- partitions and foreign tables
|
|
CREATE TABLE reind_fdw_parent (c1 int) PARTITION BY RANGE (c1) (
|
|
partition reind_fdw_0_10 values less than(11),
|
|
partition reind_fdw_10_20 values less than(21)
|
|
);
|
|
CREATE FOREIGN TABLE reind_fdw_10_20_fp(c1 int)
|
|
SERVER loopback OPTIONS (table_name 'reind_fdw_parent');
|
|
CREATE FOREIGN TABLE reind_fdw_10_20_f1(c1 int)
|
|
SERVER loopback OPTIONS (table_name 'reind_fdw_parent partition(reind_fdw_10_20)');
|
|
REINDEX TABLE reind_fdw_10_20_fp; -- error
|
|
ERROR: "reind_fdw_10_20_fp" is not a table or materialized view
|
|
REINDEX TABLE reind_fdw_10_20_f1; -- error
|
|
ERROR: "reind_fdw_10_20_f1" is not a table or materialized view
|
|
REINDEX TABLE reind_fdw_parent; -- ok
|
|
NOTICE: table "reind_fdw_parent" has no indexes
|
|
REINDEX TABLE CONCURRENTLY reind_fdw_parent; -- ok --nspt
|
|
NOTICE: table "reind_fdw_parent" has no indexes
|
|
DROP TABLE reind_fdw_parent;
|
|
DROP FOREIGN TABLE reind_fdw_10_20_fp;
|
|
DROP FOREIGN TABLE reind_fdw_10_20_f1;
|
|
-- ======================================================================================================================================
|
|
-- TEST-MODULE: conversion error
|
|
-- --------------------------------------
|
|
-- ======================================================================================================================================
|
|
ALTER FOREIGN TABLE ft1 ALTER COLUMN c8 TYPE int;
|
|
SELECT * FROM ft1 ftx(x1,x2,x3,x4,x5,x6,x7,x8) WHERE x1 = 1; -- ERROR
|
|
ERROR: invalid input syntax for integer: "foo"
|
|
CONTEXT: column "x8" of foreign table "ftx"
|
|
SELECT ftx.x1, ft2.c2, ftx.x8 FROM ft1 ftx(x1,x2,x3,x4,x5,x6,x7,x8), ft2
|
|
WHERE ftx.x1 = ft2.c1 AND ftx.x1 = 1; -- ERROR
|
|
ERROR: invalid input syntax for integer: "foo"
|
|
CONTEXT: column "x8" of foreign table "ftx"
|
|
SELECT ftx.x1, ft2.c2, ftx FROM ft1 ftx(x1,x2,x3,x4,x5,x6,x7,x8), ft2
|
|
WHERE ftx.x1 = ft2.c1 AND ftx.x1 = 1; -- ERROR
|
|
ERROR: invalid input syntax for integer: "foo"
|
|
CONTEXT: whole-row reference to foreign table "ftx"
|
|
SELECT sum(c2), array_agg(c8) FROM ft1 GROUP BY c8; -- ERROR
|
|
ERROR: invalid input syntax for integer: "foo"
|
|
CONTEXT: processing expression at position 2 in select list
|
|
ANALYZE ft1; -- ERROR
|
|
ERROR: invalid input syntax for integer: "foo"
|
|
CONTEXT: column "c8" of foreign table "ft1"
|
|
ALTER FOREIGN TABLE ft1 ALTER COLUMN c8 TYPE user_enum;
|
|
-- ======================================================================================================================================
|
|
-- TEST-MODULE: subtransaction
|
|
-- + local/remote error doesn't break cursor
|
|
-- --------------------------------------
|
|
-- ======================================================================================================================================
|
|
BEGIN;
|
|
DECLARE c CURSOR FOR SELECT * FROM ft1 ORDER BY c1;
|
|
FETCH c;
|
|
c1 | c2 | c3 | c4 | c5 | c6 | c7 | c8
|
|
----+----+-------+------------------------------+--------------------------+----+------------+-----
|
|
1 | 1 | 00001 | Fri Jan 02 00:00:00 1970 PST | Fri Jan 02 00:00:00 1970 | 1 | 1 | foo
|
|
(1 row)
|
|
|
|
SAVEPOINT s;
|
|
ERROR OUT; -- ERROR
|
|
ERROR: syntax error at or near "ERROR"
|
|
LINE 1: ERROR OUT;
|
|
^
|
|
ROLLBACK TO s;
|
|
FETCH c;
|
|
c1 | c2 | c3 | c4 | c5 | c6 | c7 | c8
|
|
----+----+-------+------------------------------+--------------------------+----+------------+-----
|
|
2 | 2 | 00002 | Sat Jan 03 00:00:00 1970 PST | Sat Jan 03 00:00:00 1970 | 2 | 2 | foo
|
|
(1 row)
|
|
|
|
SAVEPOINT s;
|
|
SELECT * FROM ft1 WHERE 1 / (c1 - 1) > 0; -- ERROR
|
|
ERROR: division by zero
|
|
CONTEXT: Remote SQL command: SELECT "C 1", c2, c3, c4, c5, c6, c7, c8 FROM "S 1"."T 1" WHERE (((1 / ("C 1" - 1)) > 0::double precision))
|
|
ROLLBACK TO s;
|
|
FETCH c;
|
|
c1 | c2 | c3 | c4 | c5 | c6 | c7 | c8
|
|
----+----+-------+------------------------------+--------------------------+----+------------+-----
|
|
3 | 3 | 00003 | Sun Jan 04 00:00:00 1970 PST | Sun Jan 04 00:00:00 1970 | 3 | 3 | foo
|
|
(1 row)
|
|
|
|
SELECT * FROM ft1 ORDER BY c1 LIMIT 1;
|
|
c1 | c2 | c3 | c4 | c5 | c6 | c7 | c8
|
|
----+----+-------+------------------------------+--------------------------+----+------------+-----
|
|
1 | 1 | 00001 | Fri Jan 02 00:00:00 1970 PST | Fri Jan 02 00:00:00 1970 | 1 | 1 | foo
|
|
(1 row)
|
|
|
|
COMMIT;
|
|
-- ======================================================================================================================================
|
|
-- TEST-MODULE: test handling of collations
|
|
-- --------------------------------------
|
|
-- ======================================================================================================================================
|
|
create table loct3 (f1 text collate "C" unique, f2 text, f3 varchar(10) unique);
|
|
NOTICE: CREATE TABLE / UNIQUE will create implicit index "loct3_f1_key" for table "loct3"
|
|
NOTICE: CREATE TABLE / UNIQUE will create implicit index "loct3_f3_key" for table "loct3"
|
|
create foreign table ft3 (f1 text collate "C", f2 text, f3 varchar(10))
|
|
server loopback options (table_name 'loct3', use_remote_estimate 'true');
|
|
-- can be sent to remote
|
|
explain (verbose, costs off) select * from ft3 where f1 = 'foo';
|
|
QUERY PLAN
|
|
---------------------------------------------------------------------------------------------------------
|
|
Foreign Scan on public.ft3
|
|
Output: f1, f2, f3
|
|
Node ID: 1
|
|
Remote SQL: SELECT f1, f2, f3 FROM public.loct3 WHERE ((f1 = 'foo'::text))
|
|
|
|
FDW remote plans:
|
|
Node 1: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT f1, f2, f3 FROM public.loct3 WHERE ((f1 = 'foo'::text))
|
|
[Bypass]
|
|
Index Scan using loct3_f1_key on public.loct3
|
|
Output: f1, f2, f3
|
|
Index Cond: (loct3.f1 = 'foo'::text)
|
|
|
|
(12 rows)
|
|
|
|
explain (verbose, costs off) select * from ft3 where f1 COLLATE "C" = 'foo';
|
|
QUERY PLAN
|
|
---------------------------------------------------------------------------------------------------------
|
|
Foreign Scan on public.ft3
|
|
Output: f1, f2, f3
|
|
Node ID: 1
|
|
Remote SQL: SELECT f1, f2, f3 FROM public.loct3 WHERE ((f1 = 'foo'::text))
|
|
|
|
FDW remote plans:
|
|
Node 1: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT f1, f2, f3 FROM public.loct3 WHERE ((f1 = 'foo'::text))
|
|
[Bypass]
|
|
Index Scan using loct3_f1_key on public.loct3
|
|
Output: f1, f2, f3
|
|
Index Cond: (loct3.f1 = 'foo'::text)
|
|
|
|
(12 rows)
|
|
|
|
explain (verbose, costs off) select * from ft3 where f2 = 'foo';
|
|
QUERY PLAN
|
|
---------------------------------------------------------------------------------------------------------
|
|
Foreign Scan on public.ft3
|
|
Output: f1, f2, f3
|
|
Node ID: 1
|
|
Remote SQL: SELECT f1, f2, f3 FROM public.loct3 WHERE ((f2 = 'foo'::text))
|
|
|
|
FDW remote plans:
|
|
Node 1: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT f1, f2, f3 FROM public.loct3 WHERE ((f2 = 'foo'::text))
|
|
Seq Scan on public.loct3
|
|
Output: f1, f2, f3
|
|
Filter: (loct3.f2 = 'foo'::text)
|
|
|
|
(11 rows)
|
|
|
|
explain (verbose, costs off) select * from ft3 where f3 = 'foo';
|
|
QUERY PLAN
|
|
---------------------------------------------------------------------------------------------------------
|
|
Foreign Scan on public.ft3
|
|
Output: f1, f2, f3
|
|
Node ID: 1
|
|
Remote SQL: SELECT f1, f2, f3 FROM public.loct3 WHERE ((f3 = 'foo'::text))
|
|
|
|
FDW remote plans:
|
|
Node 1: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT f1, f2, f3 FROM public.loct3 WHERE ((f3 = 'foo'::text))
|
|
[Bypass]
|
|
Index Scan using loct3_f3_key on public.loct3
|
|
Output: f1, f2, f3
|
|
Index Cond: ((loct3.f3)::text = 'foo'::text)
|
|
|
|
(12 rows)
|
|
|
|
explain (verbose, costs off) select * from ft3 f, loct3 l
|
|
where f.f3 = l.f3 and l.f1 = 'foo';
|
|
QUERY PLAN
|
|
------------------------------------------------------------------------------
|
|
Nested Loop
|
|
Output: f.f1, f.f2, f.f3, l.f1, l.f2, l.f3
|
|
Join Filter: ((f.f3)::text = (l.f3)::text)
|
|
-> Index Scan using loct3_f1_key on public.loct3 l
|
|
Output: l.f1, l.f2, l.f3
|
|
Index Cond: (l.f1 = 'foo'::text)
|
|
-> Foreign Scan on public.ft3 f
|
|
Output: f.f1, f.f2, f.f3
|
|
Node ID: 1
|
|
Remote SQL: SELECT f1, f2, f3 FROM public.loct3
|
|
|
|
FDW remote plans:
|
|
Node 1: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT f1, f2, f3 FROM public.loct3
|
|
Seq Scan on public.loct3
|
|
Output: f1, f2, f3
|
|
|
|
(16 rows)
|
|
|
|
-- can't be sent to remote
|
|
explain (verbose, costs off) select * from ft3 where f1 COLLATE "POSIX" = 'foo';
|
|
QUERY PLAN
|
|
------------------------------------------------------------------------------
|
|
Foreign Scan on public.ft3
|
|
Output: f1, f2, f3
|
|
Filter: ((ft3.f1)::text = 'foo'::text)
|
|
Node ID: 1
|
|
Remote SQL: SELECT f1, f2, f3 FROM public.loct3
|
|
|
|
FDW remote plans:
|
|
Node 1: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT f1, f2, f3 FROM public.loct3
|
|
Seq Scan on public.loct3
|
|
Output: f1, f2, f3
|
|
|
|
(11 rows)
|
|
|
|
explain (verbose, costs off) select * from ft3 where f1 = 'foo' COLLATE "C";
|
|
QUERY PLAN
|
|
------------------------------------------------------------------------------
|
|
Foreign Scan on public.ft3
|
|
Output: f1, f2, f3
|
|
Filter: (ft3.f1 = 'foo'::text COLLATE "C")
|
|
Node ID: 1
|
|
Remote SQL: SELECT f1, f2, f3 FROM public.loct3
|
|
|
|
FDW remote plans:
|
|
Node 1: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT f1, f2, f3 FROM public.loct3
|
|
Seq Scan on public.loct3
|
|
Output: f1, f2, f3
|
|
|
|
(11 rows)
|
|
|
|
explain (verbose, costs off) select * from ft3 where f2 COLLATE "C" = 'foo';
|
|
QUERY PLAN
|
|
------------------------------------------------------------------------------
|
|
Foreign Scan on public.ft3
|
|
Output: f1, f2, f3
|
|
Filter: ((ft3.f2)::text = 'foo'::text)
|
|
Node ID: 1
|
|
Remote SQL: SELECT f1, f2, f3 FROM public.loct3
|
|
|
|
FDW remote plans:
|
|
Node 1: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT f1, f2, f3 FROM public.loct3
|
|
Seq Scan on public.loct3
|
|
Output: f1, f2, f3
|
|
|
|
(11 rows)
|
|
|
|
explain (verbose, costs off) select * from ft3 where f2 = 'foo' COLLATE "C";
|
|
QUERY PLAN
|
|
------------------------------------------------------------------------------
|
|
Foreign Scan on public.ft3
|
|
Output: f1, f2, f3
|
|
Filter: (ft3.f2 = 'foo'::text COLLATE "C")
|
|
Node ID: 1
|
|
Remote SQL: SELECT f1, f2, f3 FROM public.loct3
|
|
|
|
FDW remote plans:
|
|
Node 1: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT f1, f2, f3 FROM public.loct3
|
|
Seq Scan on public.loct3
|
|
Output: f1, f2, f3
|
|
|
|
(11 rows)
|
|
|
|
explain (verbose, costs off) select * from ft3 f, loct3 l
|
|
where f.f3 = l.f3 COLLATE "POSIX" and l.f1 = 'foo';
|
|
QUERY PLAN
|
|
------------------------------------------------------------------------------
|
|
Nested Loop
|
|
Output: f.f1, f.f2, f.f3, l.f1, l.f2, l.f3
|
|
Join Filter: ((f.f3)::text = (l.f3)::text)
|
|
-> Index Scan using loct3_f1_key on public.loct3 l
|
|
Output: l.f1, l.f2, l.f3
|
|
Index Cond: (l.f1 = 'foo'::text)
|
|
-> Foreign Scan on public.ft3 f
|
|
Output: f.f1, f.f2, f.f3
|
|
Node ID: 1
|
|
Remote SQL: SELECT f1, f2, f3 FROM public.loct3
|
|
|
|
FDW remote plans:
|
|
Node 1: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT f1, f2, f3 FROM public.loct3
|
|
Seq Scan on public.loct3
|
|
Output: f1, f2, f3
|
|
|
|
(16 rows)
|
|
|
|
-- ======================================================================================================================================
|
|
-- TEST-MODULE: test writable foreign table stuff
|
|
-- --------------------------------------
|
|
-- ======================================================================================================================================
|
|
EXPLAIN (verbose, costs off)
|
|
INSERT INTO ft2 (c1,c2,c3) SELECT c1+1000,c2+100, c3 || c3 FROM ft2 LIMIT 20;
|
|
QUERY PLAN
|
|
----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
|
|
Insert on public.ft2
|
|
-> Subquery Scan on "*SELECT*"
|
|
Output: "*SELECT*"."?column?", "*SELECT*"."?column?", NULL::integer, "*SELECT*"."?column?", NULL::timestamp with time zone, NULL::timestamp without time zone, NULL::character varying, 'ft2 '::character(10), NULL::user_enum
|
|
-> Foreign Scan on public.ft2
|
|
Output: (public.ft2.c1 + 1000), (public.ft2.c2 + 100), (public.ft2.c3 || public.ft2.c3)
|
|
Node ID: 1
|
|
Remote SQL: SELECT "C 1", c2, c3 FROM "S 1"."T 1" LIMIT 20::bigint
|
|
|
|
FDW remote plans:
|
|
Node 1: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT "C 1", c2, c3 FROM "S 1"."T 1" LIMIT 20::bigint
|
|
Limit
|
|
Output: "C 1", c2, c3
|
|
-> Seq Scan on "S 1"."T 1"
|
|
Output: "C 1", c2, c3
|
|
|
|
(15 rows)
|
|
|
|
INSERT INTO ft2 (c1,c2,c3) SELECT c1+1000,c2+100, c3 || c3 FROM ft2 LIMIT 20;
|
|
INSERT INTO ft2 (c1,c2,c3)
|
|
VALUES (1101,201,'aaa'), (1102,202,'bbb'), (1103,203,'ccc') RETURNING *;
|
|
c1 | c2 | c3 | c4 | c5 | c6 | c7 | c8
|
|
------+-----+-----+----+----+----+------------+----
|
|
1101 | 201 | aaa | | | | ft2 |
|
|
1102 | 202 | bbb | | | | ft2 |
|
|
1103 | 203 | ccc | | | | ft2 |
|
|
(3 rows)
|
|
|
|
INSERT INTO ft2 (c1,c2,c3) VALUES (1104,204,'ddd'), (1105,205,'eee');
|
|
EXPLAIN (verbose, costs off)
|
|
UPDATE ft2 SET c2 = c2 + 300, c3 = c3 || '_update3' WHERE c1 % 10 = 3; -- can be pushed down
|
|
QUERY PLAN
|
|
----------------------------------------------------------------------------------------------------------------------------------------------------------
|
|
Update on public.ft2
|
|
-> Foreign Scan on public.ft2
|
|
Output: c1, (c2 + 300), NULL::integer, (c3 || '_update3'::text), c4, c5, c6, c7, c8, ctid, tableoid
|
|
Node ID: 1
|
|
Remote SQL: SELECT "C 1", c2, c3, c4, c5, c6, c7, c8, ctid, tableoid FROM "S 1"."T 1" WHERE ((("C 1" % 10) = 3)) FOR UPDATE
|
|
|
|
FDW remote plans:
|
|
Node 1: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT "C 1", c2, c3, c4, c5, c6, c7, c8, ctid, tableoid FROM "S 1"."T 1" WHERE ((("C 1" % 10) = 3)) FOR UPDATE
|
|
LockRows
|
|
Output: "C 1", c2, c3, c4, c5, c6, c7, c8, ctid, tableoid, ctid
|
|
-> Seq Scan on "S 1"."T 1"
|
|
Output: "C 1", c2, c3, c4, c5, c6, c7, c8, ctid, tableoid, ctid
|
|
Filter: (("T 1"."C 1" % 10) = 3)
|
|
|
|
(14 rows)
|
|
|
|
UPDATE ft2 SET c2 = c2 + 300, c3 = c3 || '_update3' WHERE c1 % 10 = 3;
|
|
EXPLAIN (verbose, costs off)
|
|
UPDATE ft2 SET c2 = c2 + 400, c3 = c3 || '_update7' WHERE c1 % 10 = 7 RETURNING *; -- can be pushed down
|
|
QUERY PLAN
|
|
----------------------------------------------------------------------------------------------------------------------------------------------------------
|
|
Update on public.ft2
|
|
Output: c1, c2, c3, c4, c5, c6, c7, c8
|
|
-> Foreign Scan on public.ft2
|
|
Output: c1, (c2 + 400), NULL::integer, (c3 || '_update7'::text), c4, c5, c6, c7, c8, ctid, tableoid
|
|
Node ID: 1
|
|
Remote SQL: SELECT "C 1", c2, c3, c4, c5, c6, c7, c8, ctid, tableoid FROM "S 1"."T 1" WHERE ((("C 1" % 10) = 7)) FOR UPDATE
|
|
|
|
FDW remote plans:
|
|
Node 1: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT "C 1", c2, c3, c4, c5, c6, c7, c8, ctid, tableoid FROM "S 1"."T 1" WHERE ((("C 1" % 10) = 7)) FOR UPDATE
|
|
LockRows
|
|
Output: "C 1", c2, c3, c4, c5, c6, c7, c8, ctid, tableoid, ctid
|
|
-> Seq Scan on "S 1"."T 1"
|
|
Output: "C 1", c2, c3, c4, c5, c6, c7, c8, ctid, tableoid, ctid
|
|
Filter: (("T 1"."C 1" % 10) = 7)
|
|
|
|
(15 rows)
|
|
|
|
UPDATE ft2 SET c2 = c2 + 400, c3 = c3 || '_update7' WHERE c1 % 10 = 7 RETURNING *;
|
|
c1 | c2 | c3 | c4 | c5 | c6 | c7 | c8
|
|
------+-----+--------------------+------------------------------+--------------------------+----+------------+-----
|
|
7 | 407 | 00007_update7 | Thu Jan 08 00:00:00 1970 PST | Thu Jan 08 00:00:00 1970 | 7 | 7 | foo
|
|
17 | 407 | 00017_update7 | Sun Jan 18 00:00:00 1970 PST | Sun Jan 18 00:00:00 1970 | 7 | 7 | foo
|
|
27 | 407 | 00027_update7 | Wed Jan 28 00:00:00 1970 PST | Wed Jan 28 00:00:00 1970 | 7 | 7 | foo
|
|
37 | 407 | 00037_update7 | Sat Feb 07 00:00:00 1970 PST | Sat Feb 07 00:00:00 1970 | 7 | 7 | foo
|
|
47 | 407 | 00047_update7 | Tue Feb 17 00:00:00 1970 PST | Tue Feb 17 00:00:00 1970 | 7 | 7 | foo
|
|
57 | 407 | 00057_update7 | Fri Feb 27 00:00:00 1970 PST | Fri Feb 27 00:00:00 1970 | 7 | 7 | foo
|
|
67 | 407 | 00067_update7 | Mon Mar 09 00:00:00 1970 PST | Mon Mar 09 00:00:00 1970 | 7 | 7 | foo
|
|
77 | 407 | 00077_update7 | Thu Mar 19 00:00:00 1970 PST | Thu Mar 19 00:00:00 1970 | 7 | 7 | foo
|
|
87 | 407 | 00087_update7 | Sun Mar 29 00:00:00 1970 PST | Sun Mar 29 00:00:00 1970 | 7 | 7 | foo
|
|
97 | 407 | 00097_update7 | Wed Apr 08 00:00:00 1970 PST | Wed Apr 08 00:00:00 1970 | 7 | 7 | foo
|
|
107 | 407 | 00107_update7 | Thu Jan 08 00:00:00 1970 PST | Thu Jan 08 00:00:00 1970 | 7 | 7 | foo
|
|
117 | 407 | 00117_update7 | Sun Jan 18 00:00:00 1970 PST | Sun Jan 18 00:00:00 1970 | 7 | 7 | foo
|
|
127 | 407 | 00127_update7 | Wed Jan 28 00:00:00 1970 PST | Wed Jan 28 00:00:00 1970 | 7 | 7 | foo
|
|
137 | 407 | 00137_update7 | Sat Feb 07 00:00:00 1970 PST | Sat Feb 07 00:00:00 1970 | 7 | 7 | foo
|
|
147 | 407 | 00147_update7 | Tue Feb 17 00:00:00 1970 PST | Tue Feb 17 00:00:00 1970 | 7 | 7 | foo
|
|
157 | 407 | 00157_update7 | Fri Feb 27 00:00:00 1970 PST | Fri Feb 27 00:00:00 1970 | 7 | 7 | foo
|
|
167 | 407 | 00167_update7 | Mon Mar 09 00:00:00 1970 PST | Mon Mar 09 00:00:00 1970 | 7 | 7 | foo
|
|
177 | 407 | 00177_update7 | Thu Mar 19 00:00:00 1970 PST | Thu Mar 19 00:00:00 1970 | 7 | 7 | foo
|
|
187 | 407 | 00187_update7 | Sun Mar 29 00:00:00 1970 PST | Sun Mar 29 00:00:00 1970 | 7 | 7 | foo
|
|
197 | 407 | 00197_update7 | Wed Apr 08 00:00:00 1970 PST | Wed Apr 08 00:00:00 1970 | 7 | 7 | foo
|
|
207 | 407 | 00207_update7 | Thu Jan 08 00:00:00 1970 PST | Thu Jan 08 00:00:00 1970 | 7 | 7 | foo
|
|
217 | 407 | 00217_update7 | Sun Jan 18 00:00:00 1970 PST | Sun Jan 18 00:00:00 1970 | 7 | 7 | foo
|
|
227 | 407 | 00227_update7 | Wed Jan 28 00:00:00 1970 PST | Wed Jan 28 00:00:00 1970 | 7 | 7 | foo
|
|
237 | 407 | 00237_update7 | Sat Feb 07 00:00:00 1970 PST | Sat Feb 07 00:00:00 1970 | 7 | 7 | foo
|
|
247 | 407 | 00247_update7 | Tue Feb 17 00:00:00 1970 PST | Tue Feb 17 00:00:00 1970 | 7 | 7 | foo
|
|
257 | 407 | 00257_update7 | Fri Feb 27 00:00:00 1970 PST | Fri Feb 27 00:00:00 1970 | 7 | 7 | foo
|
|
267 | 407 | 00267_update7 | Mon Mar 09 00:00:00 1970 PST | Mon Mar 09 00:00:00 1970 | 7 | 7 | foo
|
|
277 | 407 | 00277_update7 | Thu Mar 19 00:00:00 1970 PST | Thu Mar 19 00:00:00 1970 | 7 | 7 | foo
|
|
287 | 407 | 00287_update7 | Sun Mar 29 00:00:00 1970 PST | Sun Mar 29 00:00:00 1970 | 7 | 7 | foo
|
|
297 | 407 | 00297_update7 | Wed Apr 08 00:00:00 1970 PST | Wed Apr 08 00:00:00 1970 | 7 | 7 | foo
|
|
307 | 407 | 00307_update7 | Thu Jan 08 00:00:00 1970 PST | Thu Jan 08 00:00:00 1970 | 7 | 7 | foo
|
|
317 | 407 | 00317_update7 | Sun Jan 18 00:00:00 1970 PST | Sun Jan 18 00:00:00 1970 | 7 | 7 | foo
|
|
327 | 407 | 00327_update7 | Wed Jan 28 00:00:00 1970 PST | Wed Jan 28 00:00:00 1970 | 7 | 7 | foo
|
|
337 | 407 | 00337_update7 | Sat Feb 07 00:00:00 1970 PST | Sat Feb 07 00:00:00 1970 | 7 | 7 | foo
|
|
347 | 407 | 00347_update7 | Tue Feb 17 00:00:00 1970 PST | Tue Feb 17 00:00:00 1970 | 7 | 7 | foo
|
|
357 | 407 | 00357_update7 | Fri Feb 27 00:00:00 1970 PST | Fri Feb 27 00:00:00 1970 | 7 | 7 | foo
|
|
367 | 407 | 00367_update7 | Mon Mar 09 00:00:00 1970 PST | Mon Mar 09 00:00:00 1970 | 7 | 7 | foo
|
|
377 | 407 | 00377_update7 | Thu Mar 19 00:00:00 1970 PST | Thu Mar 19 00:00:00 1970 | 7 | 7 | foo
|
|
387 | 407 | 00387_update7 | Sun Mar 29 00:00:00 1970 PST | Sun Mar 29 00:00:00 1970 | 7 | 7 | foo
|
|
397 | 407 | 00397_update7 | Wed Apr 08 00:00:00 1970 PST | Wed Apr 08 00:00:00 1970 | 7 | 7 | foo
|
|
407 | 407 | 00407_update7 | Thu Jan 08 00:00:00 1970 PST | Thu Jan 08 00:00:00 1970 | 7 | 7 | foo
|
|
417 | 407 | 00417_update7 | Sun Jan 18 00:00:00 1970 PST | Sun Jan 18 00:00:00 1970 | 7 | 7 | foo
|
|
427 | 407 | 00427_update7 | Wed Jan 28 00:00:00 1970 PST | Wed Jan 28 00:00:00 1970 | 7 | 7 | foo
|
|
437 | 407 | 00437_update7 | Sat Feb 07 00:00:00 1970 PST | Sat Feb 07 00:00:00 1970 | 7 | 7 | foo
|
|
447 | 407 | 00447_update7 | Tue Feb 17 00:00:00 1970 PST | Tue Feb 17 00:00:00 1970 | 7 | 7 | foo
|
|
457 | 407 | 00457_update7 | Fri Feb 27 00:00:00 1970 PST | Fri Feb 27 00:00:00 1970 | 7 | 7 | foo
|
|
467 | 407 | 00467_update7 | Mon Mar 09 00:00:00 1970 PST | Mon Mar 09 00:00:00 1970 | 7 | 7 | foo
|
|
477 | 407 | 00477_update7 | Thu Mar 19 00:00:00 1970 PST | Thu Mar 19 00:00:00 1970 | 7 | 7 | foo
|
|
487 | 407 | 00487_update7 | Sun Mar 29 00:00:00 1970 PST | Sun Mar 29 00:00:00 1970 | 7 | 7 | foo
|
|
497 | 407 | 00497_update7 | Wed Apr 08 00:00:00 1970 PST | Wed Apr 08 00:00:00 1970 | 7 | 7 | foo
|
|
507 | 407 | 00507_update7 | Thu Jan 08 00:00:00 1970 PST | Thu Jan 08 00:00:00 1970 | 7 | 7 | foo
|
|
517 | 407 | 00517_update7 | Sun Jan 18 00:00:00 1970 PST | Sun Jan 18 00:00:00 1970 | 7 | 7 | foo
|
|
527 | 407 | 00527_update7 | Wed Jan 28 00:00:00 1970 PST | Wed Jan 28 00:00:00 1970 | 7 | 7 | foo
|
|
537 | 407 | 00537_update7 | Sat Feb 07 00:00:00 1970 PST | Sat Feb 07 00:00:00 1970 | 7 | 7 | foo
|
|
547 | 407 | 00547_update7 | Tue Feb 17 00:00:00 1970 PST | Tue Feb 17 00:00:00 1970 | 7 | 7 | foo
|
|
557 | 407 | 00557_update7 | Fri Feb 27 00:00:00 1970 PST | Fri Feb 27 00:00:00 1970 | 7 | 7 | foo
|
|
567 | 407 | 00567_update7 | Mon Mar 09 00:00:00 1970 PST | Mon Mar 09 00:00:00 1970 | 7 | 7 | foo
|
|
577 | 407 | 00577_update7 | Thu Mar 19 00:00:00 1970 PST | Thu Mar 19 00:00:00 1970 | 7 | 7 | foo
|
|
587 | 407 | 00587_update7 | Sun Mar 29 00:00:00 1970 PST | Sun Mar 29 00:00:00 1970 | 7 | 7 | foo
|
|
597 | 407 | 00597_update7 | Wed Apr 08 00:00:00 1970 PST | Wed Apr 08 00:00:00 1970 | 7 | 7 | foo
|
|
607 | 407 | 00607_update7 | Thu Jan 08 00:00:00 1970 PST | Thu Jan 08 00:00:00 1970 | 7 | 7 | foo
|
|
617 | 407 | 00617_update7 | Sun Jan 18 00:00:00 1970 PST | Sun Jan 18 00:00:00 1970 | 7 | 7 | foo
|
|
627 | 407 | 00627_update7 | Wed Jan 28 00:00:00 1970 PST | Wed Jan 28 00:00:00 1970 | 7 | 7 | foo
|
|
637 | 407 | 00637_update7 | Sat Feb 07 00:00:00 1970 PST | Sat Feb 07 00:00:00 1970 | 7 | 7 | foo
|
|
647 | 407 | 00647_update7 | Tue Feb 17 00:00:00 1970 PST | Tue Feb 17 00:00:00 1970 | 7 | 7 | foo
|
|
657 | 407 | 00657_update7 | Fri Feb 27 00:00:00 1970 PST | Fri Feb 27 00:00:00 1970 | 7 | 7 | foo
|
|
667 | 407 | 00667_update7 | Mon Mar 09 00:00:00 1970 PST | Mon Mar 09 00:00:00 1970 | 7 | 7 | foo
|
|
677 | 407 | 00677_update7 | Thu Mar 19 00:00:00 1970 PST | Thu Mar 19 00:00:00 1970 | 7 | 7 | foo
|
|
687 | 407 | 00687_update7 | Sun Mar 29 00:00:00 1970 PST | Sun Mar 29 00:00:00 1970 | 7 | 7 | foo
|
|
697 | 407 | 00697_update7 | Wed Apr 08 00:00:00 1970 PST | Wed Apr 08 00:00:00 1970 | 7 | 7 | foo
|
|
707 | 407 | 00707_update7 | Thu Jan 08 00:00:00 1970 PST | Thu Jan 08 00:00:00 1970 | 7 | 7 | foo
|
|
717 | 407 | 00717_update7 | Sun Jan 18 00:00:00 1970 PST | Sun Jan 18 00:00:00 1970 | 7 | 7 | foo
|
|
727 | 407 | 00727_update7 | Wed Jan 28 00:00:00 1970 PST | Wed Jan 28 00:00:00 1970 | 7 | 7 | foo
|
|
737 | 407 | 00737_update7 | Sat Feb 07 00:00:00 1970 PST | Sat Feb 07 00:00:00 1970 | 7 | 7 | foo
|
|
747 | 407 | 00747_update7 | Tue Feb 17 00:00:00 1970 PST | Tue Feb 17 00:00:00 1970 | 7 | 7 | foo
|
|
757 | 407 | 00757_update7 | Fri Feb 27 00:00:00 1970 PST | Fri Feb 27 00:00:00 1970 | 7 | 7 | foo
|
|
767 | 407 | 00767_update7 | Mon Mar 09 00:00:00 1970 PST | Mon Mar 09 00:00:00 1970 | 7 | 7 | foo
|
|
777 | 407 | 00777_update7 | Thu Mar 19 00:00:00 1970 PST | Thu Mar 19 00:00:00 1970 | 7 | 7 | foo
|
|
787 | 407 | 00787_update7 | Sun Mar 29 00:00:00 1970 PST | Sun Mar 29 00:00:00 1970 | 7 | 7 | foo
|
|
797 | 407 | 00797_update7 | Wed Apr 08 00:00:00 1970 PST | Wed Apr 08 00:00:00 1970 | 7 | 7 | foo
|
|
807 | 407 | 00807_update7 | Thu Jan 08 00:00:00 1970 PST | Thu Jan 08 00:00:00 1970 | 7 | 7 | foo
|
|
817 | 407 | 00817_update7 | Sun Jan 18 00:00:00 1970 PST | Sun Jan 18 00:00:00 1970 | 7 | 7 | foo
|
|
827 | 407 | 00827_update7 | Wed Jan 28 00:00:00 1970 PST | Wed Jan 28 00:00:00 1970 | 7 | 7 | foo
|
|
837 | 407 | 00837_update7 | Sat Feb 07 00:00:00 1970 PST | Sat Feb 07 00:00:00 1970 | 7 | 7 | foo
|
|
847 | 407 | 00847_update7 | Tue Feb 17 00:00:00 1970 PST | Tue Feb 17 00:00:00 1970 | 7 | 7 | foo
|
|
857 | 407 | 00857_update7 | Fri Feb 27 00:00:00 1970 PST | Fri Feb 27 00:00:00 1970 | 7 | 7 | foo
|
|
867 | 407 | 00867_update7 | Mon Mar 09 00:00:00 1970 PST | Mon Mar 09 00:00:00 1970 | 7 | 7 | foo
|
|
877 | 407 | 00877_update7 | Thu Mar 19 00:00:00 1970 PST | Thu Mar 19 00:00:00 1970 | 7 | 7 | foo
|
|
887 | 407 | 00887_update7 | Sun Mar 29 00:00:00 1970 PST | Sun Mar 29 00:00:00 1970 | 7 | 7 | foo
|
|
897 | 407 | 00897_update7 | Wed Apr 08 00:00:00 1970 PST | Wed Apr 08 00:00:00 1970 | 7 | 7 | foo
|
|
907 | 407 | 00907_update7 | Thu Jan 08 00:00:00 1970 PST | Thu Jan 08 00:00:00 1970 | 7 | 7 | foo
|
|
917 | 407 | 00917_update7 | Sun Jan 18 00:00:00 1970 PST | Sun Jan 18 00:00:00 1970 | 7 | 7 | foo
|
|
927 | 407 | 00927_update7 | Wed Jan 28 00:00:00 1970 PST | Wed Jan 28 00:00:00 1970 | 7 | 7 | foo
|
|
937 | 407 | 00937_update7 | Sat Feb 07 00:00:00 1970 PST | Sat Feb 07 00:00:00 1970 | 7 | 7 | foo
|
|
947 | 407 | 00947_update7 | Tue Feb 17 00:00:00 1970 PST | Tue Feb 17 00:00:00 1970 | 7 | 7 | foo
|
|
957 | 407 | 00957_update7 | Fri Feb 27 00:00:00 1970 PST | Fri Feb 27 00:00:00 1970 | 7 | 7 | foo
|
|
967 | 407 | 00967_update7 | Mon Mar 09 00:00:00 1970 PST | Mon Mar 09 00:00:00 1970 | 7 | 7 | foo
|
|
977 | 407 | 00977_update7 | Thu Mar 19 00:00:00 1970 PST | Thu Mar 19 00:00:00 1970 | 7 | 7 | foo
|
|
987 | 407 | 00987_update7 | Sun Mar 29 00:00:00 1970 PST | Sun Mar 29 00:00:00 1970 | 7 | 7 | foo
|
|
997 | 407 | 00997_update7 | Wed Apr 08 00:00:00 1970 PST | Wed Apr 08 00:00:00 1970 | 7 | 7 | foo
|
|
1007 | 507 | 0000700007_update7 | | | | ft2 |
|
|
1017 | 507 | 0001700017_update7 | | | | ft2 |
|
|
(102 rows)
|
|
|
|
EXPLAIN (verbose, costs off)
|
|
UPDATE ft2 SET c2 = ft2.c2 + 500, c3 = ft2.c3 || '_update9', c7 = DEFAULT
|
|
FROM ft1 WHERE ft1.c1 = ft2.c2 AND ft1.c1 % 10 = 9; -- can be pushed down
|
|
QUERY PLAN
|
|
---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
|
|
Update on public.ft2
|
|
-> Nested Loop
|
|
Output: ft2.c1, (ft2.c2 + 500), NULL::integer, (ft2.c3 || '_update9'::text), ft2.c4, ft2.c5, ft2.c6, 'ft2 '::character(10), ft2.c8, ft2.ctid, ft2.tableoid, ft1.*
|
|
Join Filter: (ft2.c2 = ft1.c1)
|
|
-> Foreign Scan on public.ft2
|
|
Output: ft2.c1, ft2.c2, ft2.c3, ft2.c4, ft2.c5, ft2.c6, ft2.c8, ft2.ctid, ft2.tableoid
|
|
Node ID: 1
|
|
Remote SQL: SELECT "C 1", c2, c3, c4, c5, c6, c8, ctid, tableoid FROM "S 1"."T 1" WHERE (((c2 % 10) = 9)) FOR UPDATE
|
|
-> Materialize
|
|
Output: ft1.*, ft1.c1
|
|
-> Foreign Scan on public.ft1
|
|
Output: ft1.*, ft1.c1
|
|
Node ID: 2
|
|
Remote SQL: SELECT "C 1", c2, c3, c4, c5, c6, c7, c8 FROM "S 1"."T 1" WHERE ((("C 1" % 10) = 9))
|
|
|
|
FDW remote plans:
|
|
Node 1: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT "C 1", c2, c3, c4, c5, c6, c8, ctid, tableoid FROM "S 1"."T 1" WHERE (((c2 % 10) = 9)) FOR UPDATE
|
|
LockRows
|
|
Output: "C 1", c2, c3, c4, c5, c6, c8, ctid, tableoid, ctid
|
|
-> Seq Scan on "S 1"."T 1"
|
|
Output: "C 1", c2, c3, c4, c5, c6, c8, ctid, tableoid, ctid
|
|
Filter: (("T 1".c2 % 10) = 9)
|
|
Node 2: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT "C 1", c2, c3, c4, c5, c6, c7, c8 FROM "S 1"."T 1" WHERE ((("C 1" % 10) = 9))
|
|
Seq Scan on "S 1"."T 1"
|
|
Output: "C 1", c2, c3, c4, c5, c6, c7, c8
|
|
Filter: (("T 1"."C 1" % 10) = 9)
|
|
|
|
(27 rows)
|
|
|
|
UPDATE ft2 SET c2 = ft2.c2 + 500, c3 = ft2.c3 || '_update9', c7 = DEFAULT
|
|
FROM ft1 WHERE ft1.c1 = ft2.c2 AND ft1.c1 % 10 = 9;
|
|
EXPLAIN (verbose, costs off)
|
|
DELETE FROM ft2 WHERE c1 % 10 = 5 RETURNING c1, c4; -- can be pushed down
|
|
QUERY PLAN
|
|
-----------------------------------------------------------------------------------------------------------------------
|
|
Delete on public.ft2
|
|
Output: c1, c4
|
|
-> Foreign Scan on public.ft2
|
|
Output: ctid, tableoid
|
|
Node ID: 1
|
|
Remote SQL: SELECT ctid, tableoid FROM "S 1"."T 1" WHERE ((("C 1" % 10) = 5)) FOR UPDATE
|
|
|
|
FDW remote plans:
|
|
Node 1: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT ctid, tableoid FROM "S 1"."T 1" WHERE ((("C 1" % 10) = 5)) FOR UPDATE
|
|
LockRows
|
|
Output: ctid, tableoid, ctid
|
|
-> Seq Scan on "S 1"."T 1"
|
|
Output: ctid, tableoid, ctid
|
|
Filter: (("T 1"."C 1" % 10) = 5)
|
|
|
|
(15 rows)
|
|
|
|
DELETE FROM ft2 WHERE c1 % 10 = 5 RETURNING c1, c4;
|
|
c1 | c4
|
|
------+------------------------------
|
|
5 | Tue Jan 06 00:00:00 1970 PST
|
|
15 | Fri Jan 16 00:00:00 1970 PST
|
|
25 | Mon Jan 26 00:00:00 1970 PST
|
|
35 | Thu Feb 05 00:00:00 1970 PST
|
|
45 | Sun Feb 15 00:00:00 1970 PST
|
|
55 | Wed Feb 25 00:00:00 1970 PST
|
|
65 | Sat Mar 07 00:00:00 1970 PST
|
|
75 | Tue Mar 17 00:00:00 1970 PST
|
|
85 | Fri Mar 27 00:00:00 1970 PST
|
|
95 | Mon Apr 06 00:00:00 1970 PST
|
|
105 | Tue Jan 06 00:00:00 1970 PST
|
|
115 | Fri Jan 16 00:00:00 1970 PST
|
|
125 | Mon Jan 26 00:00:00 1970 PST
|
|
135 | Thu Feb 05 00:00:00 1970 PST
|
|
145 | Sun Feb 15 00:00:00 1970 PST
|
|
155 | Wed Feb 25 00:00:00 1970 PST
|
|
165 | Sat Mar 07 00:00:00 1970 PST
|
|
175 | Tue Mar 17 00:00:00 1970 PST
|
|
185 | Fri Mar 27 00:00:00 1970 PST
|
|
195 | Mon Apr 06 00:00:00 1970 PST
|
|
205 | Tue Jan 06 00:00:00 1970 PST
|
|
215 | Fri Jan 16 00:00:00 1970 PST
|
|
225 | Mon Jan 26 00:00:00 1970 PST
|
|
235 | Thu Feb 05 00:00:00 1970 PST
|
|
245 | Sun Feb 15 00:00:00 1970 PST
|
|
255 | Wed Feb 25 00:00:00 1970 PST
|
|
265 | Sat Mar 07 00:00:00 1970 PST
|
|
275 | Tue Mar 17 00:00:00 1970 PST
|
|
285 | Fri Mar 27 00:00:00 1970 PST
|
|
295 | Mon Apr 06 00:00:00 1970 PST
|
|
305 | Tue Jan 06 00:00:00 1970 PST
|
|
315 | Fri Jan 16 00:00:00 1970 PST
|
|
325 | Mon Jan 26 00:00:00 1970 PST
|
|
335 | Thu Feb 05 00:00:00 1970 PST
|
|
345 | Sun Feb 15 00:00:00 1970 PST
|
|
355 | Wed Feb 25 00:00:00 1970 PST
|
|
365 | Sat Mar 07 00:00:00 1970 PST
|
|
375 | Tue Mar 17 00:00:00 1970 PST
|
|
385 | Fri Mar 27 00:00:00 1970 PST
|
|
395 | Mon Apr 06 00:00:00 1970 PST
|
|
405 | Tue Jan 06 00:00:00 1970 PST
|
|
415 | Fri Jan 16 00:00:00 1970 PST
|
|
425 | Mon Jan 26 00:00:00 1970 PST
|
|
435 | Thu Feb 05 00:00:00 1970 PST
|
|
445 | Sun Feb 15 00:00:00 1970 PST
|
|
455 | Wed Feb 25 00:00:00 1970 PST
|
|
465 | Sat Mar 07 00:00:00 1970 PST
|
|
475 | Tue Mar 17 00:00:00 1970 PST
|
|
485 | Fri Mar 27 00:00:00 1970 PST
|
|
495 | Mon Apr 06 00:00:00 1970 PST
|
|
505 | Tue Jan 06 00:00:00 1970 PST
|
|
515 | Fri Jan 16 00:00:00 1970 PST
|
|
525 | Mon Jan 26 00:00:00 1970 PST
|
|
535 | Thu Feb 05 00:00:00 1970 PST
|
|
545 | Sun Feb 15 00:00:00 1970 PST
|
|
555 | Wed Feb 25 00:00:00 1970 PST
|
|
565 | Sat Mar 07 00:00:00 1970 PST
|
|
575 | Tue Mar 17 00:00:00 1970 PST
|
|
585 | Fri Mar 27 00:00:00 1970 PST
|
|
595 | Mon Apr 06 00:00:00 1970 PST
|
|
605 | Tue Jan 06 00:00:00 1970 PST
|
|
615 | Fri Jan 16 00:00:00 1970 PST
|
|
625 | Mon Jan 26 00:00:00 1970 PST
|
|
635 | Thu Feb 05 00:00:00 1970 PST
|
|
645 | Sun Feb 15 00:00:00 1970 PST
|
|
655 | Wed Feb 25 00:00:00 1970 PST
|
|
665 | Sat Mar 07 00:00:00 1970 PST
|
|
675 | Tue Mar 17 00:00:00 1970 PST
|
|
685 | Fri Mar 27 00:00:00 1970 PST
|
|
695 | Mon Apr 06 00:00:00 1970 PST
|
|
705 | Tue Jan 06 00:00:00 1970 PST
|
|
715 | Fri Jan 16 00:00:00 1970 PST
|
|
725 | Mon Jan 26 00:00:00 1970 PST
|
|
735 | Thu Feb 05 00:00:00 1970 PST
|
|
745 | Sun Feb 15 00:00:00 1970 PST
|
|
755 | Wed Feb 25 00:00:00 1970 PST
|
|
765 | Sat Mar 07 00:00:00 1970 PST
|
|
775 | Tue Mar 17 00:00:00 1970 PST
|
|
785 | Fri Mar 27 00:00:00 1970 PST
|
|
795 | Mon Apr 06 00:00:00 1970 PST
|
|
805 | Tue Jan 06 00:00:00 1970 PST
|
|
815 | Fri Jan 16 00:00:00 1970 PST
|
|
825 | Mon Jan 26 00:00:00 1970 PST
|
|
835 | Thu Feb 05 00:00:00 1970 PST
|
|
845 | Sun Feb 15 00:00:00 1970 PST
|
|
855 | Wed Feb 25 00:00:00 1970 PST
|
|
865 | Sat Mar 07 00:00:00 1970 PST
|
|
875 | Tue Mar 17 00:00:00 1970 PST
|
|
885 | Fri Mar 27 00:00:00 1970 PST
|
|
895 | Mon Apr 06 00:00:00 1970 PST
|
|
905 | Tue Jan 06 00:00:00 1970 PST
|
|
915 | Fri Jan 16 00:00:00 1970 PST
|
|
925 | Mon Jan 26 00:00:00 1970 PST
|
|
935 | Thu Feb 05 00:00:00 1970 PST
|
|
945 | Sun Feb 15 00:00:00 1970 PST
|
|
955 | Wed Feb 25 00:00:00 1970 PST
|
|
965 | Sat Mar 07 00:00:00 1970 PST
|
|
975 | Tue Mar 17 00:00:00 1970 PST
|
|
985 | Fri Mar 27 00:00:00 1970 PST
|
|
995 | Mon Apr 06 00:00:00 1970 PST
|
|
1005 |
|
|
1015 |
|
|
1105 |
|
|
(103 rows)
|
|
|
|
EXPLAIN (verbose, costs off)
|
|
DELETE FROM ft2 USING ft1 WHERE ft1.c1 = ft2.c2 AND ft1.c1 % 10 = 2; -- can be pushed down
|
|
QUERY PLAN
|
|
-------------------------------------------------------------------------------------------------------------------------------
|
|
Delete on public.ft2
|
|
-> Nested Loop
|
|
Output: ft2.ctid, ft2.tableoid, ft1.*
|
|
Join Filter: (ft2.c2 = ft1.c1)
|
|
-> Foreign Scan on public.ft2
|
|
Output: ft2.ctid, ft2.tableoid, ft2.c2
|
|
Node ID: 1
|
|
Remote SQL: SELECT c2, ctid, tableoid FROM "S 1"."T 1" WHERE (((c2 % 10) = 2)) FOR UPDATE
|
|
-> Materialize
|
|
Output: ft1.*, ft1.c1
|
|
-> Foreign Scan on public.ft1
|
|
Output: ft1.*, ft1.c1
|
|
Node ID: 2
|
|
Remote SQL: SELECT "C 1", c2, c3, c4, c5, c6, c7, c8 FROM "S 1"."T 1" WHERE ((("C 1" % 10) = 2))
|
|
|
|
FDW remote plans:
|
|
Node 1: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT c2, ctid, tableoid FROM "S 1"."T 1" WHERE (((c2 % 10) = 2)) FOR UPDATE
|
|
LockRows
|
|
Output: c2, ctid, tableoid, ctid
|
|
-> Seq Scan on "S 1"."T 1"
|
|
Output: c2, ctid, tableoid, ctid
|
|
Filter: (("T 1".c2 % 10) = 2)
|
|
Node 2: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT "C 1", c2, c3, c4, c5, c6, c7, c8 FROM "S 1"."T 1" WHERE ((("C 1" % 10) = 2))
|
|
Seq Scan on "S 1"."T 1"
|
|
Output: "C 1", c2, c3, c4, c5, c6, c7, c8
|
|
Filter: (("T 1"."C 1" % 10) = 2)
|
|
|
|
(27 rows)
|
|
|
|
DELETE FROM ft2 USING ft1 WHERE ft1.c1 = ft2.c2 AND ft1.c1 % 10 = 2;
|
|
SELECT c1,c2,c3,c4 FROM ft2 ORDER BY c1;
|
|
c1 | c2 | c3 | c4
|
|
------+-----+--------------------+------------------------------
|
|
1 | 1 | 00001 | Fri Jan 02 00:00:00 1970 PST
|
|
3 | 303 | 00003_update3 | Sun Jan 04 00:00:00 1970 PST
|
|
4 | 4 | 00004 | Mon Jan 05 00:00:00 1970 PST
|
|
6 | 6 | 00006 | Wed Jan 07 00:00:00 1970 PST
|
|
7 | 407 | 00007_update7 | Thu Jan 08 00:00:00 1970 PST
|
|
8 | 8 | 00008 | Fri Jan 09 00:00:00 1970 PST
|
|
9 | 509 | 00009_update9 | Sat Jan 10 00:00:00 1970 PST
|
|
10 | 0 | 00010 | Sun Jan 11 00:00:00 1970 PST
|
|
11 | 1 | 00011 | Mon Jan 12 00:00:00 1970 PST
|
|
13 | 303 | 00013_update3 | Wed Jan 14 00:00:00 1970 PST
|
|
14 | 4 | 00014 | Thu Jan 15 00:00:00 1970 PST
|
|
16 | 6 | 00016 | Sat Jan 17 00:00:00 1970 PST
|
|
17 | 407 | 00017_update7 | Sun Jan 18 00:00:00 1970 PST
|
|
18 | 8 | 00018 | Mon Jan 19 00:00:00 1970 PST
|
|
19 | 509 | 00019_update9 | Tue Jan 20 00:00:00 1970 PST
|
|
20 | 0 | 00020 | Wed Jan 21 00:00:00 1970 PST
|
|
21 | 1 | 00021 | Thu Jan 22 00:00:00 1970 PST
|
|
23 | 303 | 00023_update3 | Sat Jan 24 00:00:00 1970 PST
|
|
24 | 4 | 00024 | Sun Jan 25 00:00:00 1970 PST
|
|
26 | 6 | 00026 | Tue Jan 27 00:00:00 1970 PST
|
|
27 | 407 | 00027_update7 | Wed Jan 28 00:00:00 1970 PST
|
|
28 | 8 | 00028 | Thu Jan 29 00:00:00 1970 PST
|
|
29 | 509 | 00029_update9 | Fri Jan 30 00:00:00 1970 PST
|
|
30 | 0 | 00030 | Sat Jan 31 00:00:00 1970 PST
|
|
31 | 1 | 00031 | Sun Feb 01 00:00:00 1970 PST
|
|
33 | 303 | 00033_update3 | Tue Feb 03 00:00:00 1970 PST
|
|
34 | 4 | 00034 | Wed Feb 04 00:00:00 1970 PST
|
|
36 | 6 | 00036 | Fri Feb 06 00:00:00 1970 PST
|
|
37 | 407 | 00037_update7 | Sat Feb 07 00:00:00 1970 PST
|
|
38 | 8 | 00038 | Sun Feb 08 00:00:00 1970 PST
|
|
39 | 509 | 00039_update9 | Mon Feb 09 00:00:00 1970 PST
|
|
40 | 0 | 00040 | Tue Feb 10 00:00:00 1970 PST
|
|
41 | 1 | 00041 | Wed Feb 11 00:00:00 1970 PST
|
|
43 | 303 | 00043_update3 | Fri Feb 13 00:00:00 1970 PST
|
|
44 | 4 | 00044 | Sat Feb 14 00:00:00 1970 PST
|
|
46 | 6 | 00046 | Mon Feb 16 00:00:00 1970 PST
|
|
47 | 407 | 00047_update7 | Tue Feb 17 00:00:00 1970 PST
|
|
48 | 8 | 00048 | Wed Feb 18 00:00:00 1970 PST
|
|
49 | 509 | 00049_update9 | Thu Feb 19 00:00:00 1970 PST
|
|
50 | 0 | 00050 | Fri Feb 20 00:00:00 1970 PST
|
|
51 | 1 | 00051 | Sat Feb 21 00:00:00 1970 PST
|
|
53 | 303 | 00053_update3 | Mon Feb 23 00:00:00 1970 PST
|
|
54 | 4 | 00054 | Tue Feb 24 00:00:00 1970 PST
|
|
56 | 6 | 00056 | Thu Feb 26 00:00:00 1970 PST
|
|
57 | 407 | 00057_update7 | Fri Feb 27 00:00:00 1970 PST
|
|
58 | 8 | 00058 | Sat Feb 28 00:00:00 1970 PST
|
|
59 | 509 | 00059_update9 | Sun Mar 01 00:00:00 1970 PST
|
|
60 | 0 | 00060 | Mon Mar 02 00:00:00 1970 PST
|
|
61 | 1 | 00061 | Tue Mar 03 00:00:00 1970 PST
|
|
63 | 303 | 00063_update3 | Thu Mar 05 00:00:00 1970 PST
|
|
64 | 4 | 00064 | Fri Mar 06 00:00:00 1970 PST
|
|
66 | 6 | 00066 | Sun Mar 08 00:00:00 1970 PST
|
|
67 | 407 | 00067_update7 | Mon Mar 09 00:00:00 1970 PST
|
|
68 | 8 | 00068 | Tue Mar 10 00:00:00 1970 PST
|
|
69 | 509 | 00069_update9 | Wed Mar 11 00:00:00 1970 PST
|
|
70 | 0 | 00070 | Thu Mar 12 00:00:00 1970 PST
|
|
71 | 1 | 00071 | Fri Mar 13 00:00:00 1970 PST
|
|
73 | 303 | 00073_update3 | Sun Mar 15 00:00:00 1970 PST
|
|
74 | 4 | 00074 | Mon Mar 16 00:00:00 1970 PST
|
|
76 | 6 | 00076 | Wed Mar 18 00:00:00 1970 PST
|
|
77 | 407 | 00077_update7 | Thu Mar 19 00:00:00 1970 PST
|
|
78 | 8 | 00078 | Fri Mar 20 00:00:00 1970 PST
|
|
79 | 509 | 00079_update9 | Sat Mar 21 00:00:00 1970 PST
|
|
80 | 0 | 00080 | Sun Mar 22 00:00:00 1970 PST
|
|
81 | 1 | 00081 | Mon Mar 23 00:00:00 1970 PST
|
|
83 | 303 | 00083_update3 | Wed Mar 25 00:00:00 1970 PST
|
|
84 | 4 | 00084 | Thu Mar 26 00:00:00 1970 PST
|
|
86 | 6 | 00086 | Sat Mar 28 00:00:00 1970 PST
|
|
87 | 407 | 00087_update7 | Sun Mar 29 00:00:00 1970 PST
|
|
88 | 8 | 00088 | Mon Mar 30 00:00:00 1970 PST
|
|
89 | 509 | 00089_update9 | Tue Mar 31 00:00:00 1970 PST
|
|
90 | 0 | 00090 | Wed Apr 01 00:00:00 1970 PST
|
|
91 | 1 | 00091 | Thu Apr 02 00:00:00 1970 PST
|
|
93 | 303 | 00093_update3 | Sat Apr 04 00:00:00 1970 PST
|
|
94 | 4 | 00094 | Sun Apr 05 00:00:00 1970 PST
|
|
96 | 6 | 00096 | Tue Apr 07 00:00:00 1970 PST
|
|
97 | 407 | 00097_update7 | Wed Apr 08 00:00:00 1970 PST
|
|
98 | 8 | 00098 | Thu Apr 09 00:00:00 1970 PST
|
|
99 | 509 | 00099_update9 | Fri Apr 10 00:00:00 1970 PST
|
|
100 | 0 | 00100 | Thu Jan 01 00:00:00 1970 PST
|
|
101 | 1 | 00101 | Fri Jan 02 00:00:00 1970 PST
|
|
103 | 303 | 00103_update3 | Sun Jan 04 00:00:00 1970 PST
|
|
104 | 4 | 00104 | Mon Jan 05 00:00:00 1970 PST
|
|
106 | 6 | 00106 | Wed Jan 07 00:00:00 1970 PST
|
|
107 | 407 | 00107_update7 | Thu Jan 08 00:00:00 1970 PST
|
|
108 | 8 | 00108 | Fri Jan 09 00:00:00 1970 PST
|
|
109 | 509 | 00109_update9 | Sat Jan 10 00:00:00 1970 PST
|
|
110 | 0 | 00110 | Sun Jan 11 00:00:00 1970 PST
|
|
111 | 1 | 00111 | Mon Jan 12 00:00:00 1970 PST
|
|
113 | 303 | 00113_update3 | Wed Jan 14 00:00:00 1970 PST
|
|
114 | 4 | 00114 | Thu Jan 15 00:00:00 1970 PST
|
|
116 | 6 | 00116 | Sat Jan 17 00:00:00 1970 PST
|
|
117 | 407 | 00117_update7 | Sun Jan 18 00:00:00 1970 PST
|
|
118 | 8 | 00118 | Mon Jan 19 00:00:00 1970 PST
|
|
119 | 509 | 00119_update9 | Tue Jan 20 00:00:00 1970 PST
|
|
120 | 0 | 00120 | Wed Jan 21 00:00:00 1970 PST
|
|
121 | 1 | 00121 | Thu Jan 22 00:00:00 1970 PST
|
|
123 | 303 | 00123_update3 | Sat Jan 24 00:00:00 1970 PST
|
|
124 | 4 | 00124 | Sun Jan 25 00:00:00 1970 PST
|
|
126 | 6 | 00126 | Tue Jan 27 00:00:00 1970 PST
|
|
127 | 407 | 00127_update7 | Wed Jan 28 00:00:00 1970 PST
|
|
128 | 8 | 00128 | Thu Jan 29 00:00:00 1970 PST
|
|
129 | 509 | 00129_update9 | Fri Jan 30 00:00:00 1970 PST
|
|
130 | 0 | 00130 | Sat Jan 31 00:00:00 1970 PST
|
|
131 | 1 | 00131 | Sun Feb 01 00:00:00 1970 PST
|
|
133 | 303 | 00133_update3 | Tue Feb 03 00:00:00 1970 PST
|
|
134 | 4 | 00134 | Wed Feb 04 00:00:00 1970 PST
|
|
136 | 6 | 00136 | Fri Feb 06 00:00:00 1970 PST
|
|
137 | 407 | 00137_update7 | Sat Feb 07 00:00:00 1970 PST
|
|
138 | 8 | 00138 | Sun Feb 08 00:00:00 1970 PST
|
|
139 | 509 | 00139_update9 | Mon Feb 09 00:00:00 1970 PST
|
|
140 | 0 | 00140 | Tue Feb 10 00:00:00 1970 PST
|
|
141 | 1 | 00141 | Wed Feb 11 00:00:00 1970 PST
|
|
143 | 303 | 00143_update3 | Fri Feb 13 00:00:00 1970 PST
|
|
144 | 4 | 00144 | Sat Feb 14 00:00:00 1970 PST
|
|
146 | 6 | 00146 | Mon Feb 16 00:00:00 1970 PST
|
|
147 | 407 | 00147_update7 | Tue Feb 17 00:00:00 1970 PST
|
|
148 | 8 | 00148 | Wed Feb 18 00:00:00 1970 PST
|
|
149 | 509 | 00149_update9 | Thu Feb 19 00:00:00 1970 PST
|
|
150 | 0 | 00150 | Fri Feb 20 00:00:00 1970 PST
|
|
151 | 1 | 00151 | Sat Feb 21 00:00:00 1970 PST
|
|
153 | 303 | 00153_update3 | Mon Feb 23 00:00:00 1970 PST
|
|
154 | 4 | 00154 | Tue Feb 24 00:00:00 1970 PST
|
|
156 | 6 | 00156 | Thu Feb 26 00:00:00 1970 PST
|
|
157 | 407 | 00157_update7 | Fri Feb 27 00:00:00 1970 PST
|
|
158 | 8 | 00158 | Sat Feb 28 00:00:00 1970 PST
|
|
159 | 509 | 00159_update9 | Sun Mar 01 00:00:00 1970 PST
|
|
160 | 0 | 00160 | Mon Mar 02 00:00:00 1970 PST
|
|
161 | 1 | 00161 | Tue Mar 03 00:00:00 1970 PST
|
|
163 | 303 | 00163_update3 | Thu Mar 05 00:00:00 1970 PST
|
|
164 | 4 | 00164 | Fri Mar 06 00:00:00 1970 PST
|
|
166 | 6 | 00166 | Sun Mar 08 00:00:00 1970 PST
|
|
167 | 407 | 00167_update7 | Mon Mar 09 00:00:00 1970 PST
|
|
168 | 8 | 00168 | Tue Mar 10 00:00:00 1970 PST
|
|
169 | 509 | 00169_update9 | Wed Mar 11 00:00:00 1970 PST
|
|
170 | 0 | 00170 | Thu Mar 12 00:00:00 1970 PST
|
|
171 | 1 | 00171 | Fri Mar 13 00:00:00 1970 PST
|
|
173 | 303 | 00173_update3 | Sun Mar 15 00:00:00 1970 PST
|
|
174 | 4 | 00174 | Mon Mar 16 00:00:00 1970 PST
|
|
176 | 6 | 00176 | Wed Mar 18 00:00:00 1970 PST
|
|
177 | 407 | 00177_update7 | Thu Mar 19 00:00:00 1970 PST
|
|
178 | 8 | 00178 | Fri Mar 20 00:00:00 1970 PST
|
|
179 | 509 | 00179_update9 | Sat Mar 21 00:00:00 1970 PST
|
|
180 | 0 | 00180 | Sun Mar 22 00:00:00 1970 PST
|
|
181 | 1 | 00181 | Mon Mar 23 00:00:00 1970 PST
|
|
183 | 303 | 00183_update3 | Wed Mar 25 00:00:00 1970 PST
|
|
184 | 4 | 00184 | Thu Mar 26 00:00:00 1970 PST
|
|
186 | 6 | 00186 | Sat Mar 28 00:00:00 1970 PST
|
|
187 | 407 | 00187_update7 | Sun Mar 29 00:00:00 1970 PST
|
|
188 | 8 | 00188 | Mon Mar 30 00:00:00 1970 PST
|
|
189 | 509 | 00189_update9 | Tue Mar 31 00:00:00 1970 PST
|
|
190 | 0 | 00190 | Wed Apr 01 00:00:00 1970 PST
|
|
191 | 1 | 00191 | Thu Apr 02 00:00:00 1970 PST
|
|
193 | 303 | 00193_update3 | Sat Apr 04 00:00:00 1970 PST
|
|
194 | 4 | 00194 | Sun Apr 05 00:00:00 1970 PST
|
|
196 | 6 | 00196 | Tue Apr 07 00:00:00 1970 PST
|
|
197 | 407 | 00197_update7 | Wed Apr 08 00:00:00 1970 PST
|
|
198 | 8 | 00198 | Thu Apr 09 00:00:00 1970 PST
|
|
199 | 509 | 00199_update9 | Fri Apr 10 00:00:00 1970 PST
|
|
200 | 0 | 00200 | Thu Jan 01 00:00:00 1970 PST
|
|
201 | 1 | 00201 | Fri Jan 02 00:00:00 1970 PST
|
|
203 | 303 | 00203_update3 | Sun Jan 04 00:00:00 1970 PST
|
|
204 | 4 | 00204 | Mon Jan 05 00:00:00 1970 PST
|
|
206 | 6 | 00206 | Wed Jan 07 00:00:00 1970 PST
|
|
207 | 407 | 00207_update7 | Thu Jan 08 00:00:00 1970 PST
|
|
208 | 8 | 00208 | Fri Jan 09 00:00:00 1970 PST
|
|
209 | 509 | 00209_update9 | Sat Jan 10 00:00:00 1970 PST
|
|
210 | 0 | 00210 | Sun Jan 11 00:00:00 1970 PST
|
|
211 | 1 | 00211 | Mon Jan 12 00:00:00 1970 PST
|
|
213 | 303 | 00213_update3 | Wed Jan 14 00:00:00 1970 PST
|
|
214 | 4 | 00214 | Thu Jan 15 00:00:00 1970 PST
|
|
216 | 6 | 00216 | Sat Jan 17 00:00:00 1970 PST
|
|
217 | 407 | 00217_update7 | Sun Jan 18 00:00:00 1970 PST
|
|
218 | 8 | 00218 | Mon Jan 19 00:00:00 1970 PST
|
|
219 | 509 | 00219_update9 | Tue Jan 20 00:00:00 1970 PST
|
|
220 | 0 | 00220 | Wed Jan 21 00:00:00 1970 PST
|
|
221 | 1 | 00221 | Thu Jan 22 00:00:00 1970 PST
|
|
223 | 303 | 00223_update3 | Sat Jan 24 00:00:00 1970 PST
|
|
224 | 4 | 00224 | Sun Jan 25 00:00:00 1970 PST
|
|
226 | 6 | 00226 | Tue Jan 27 00:00:00 1970 PST
|
|
227 | 407 | 00227_update7 | Wed Jan 28 00:00:00 1970 PST
|
|
228 | 8 | 00228 | Thu Jan 29 00:00:00 1970 PST
|
|
229 | 509 | 00229_update9 | Fri Jan 30 00:00:00 1970 PST
|
|
230 | 0 | 00230 | Sat Jan 31 00:00:00 1970 PST
|
|
231 | 1 | 00231 | Sun Feb 01 00:00:00 1970 PST
|
|
233 | 303 | 00233_update3 | Tue Feb 03 00:00:00 1970 PST
|
|
234 | 4 | 00234 | Wed Feb 04 00:00:00 1970 PST
|
|
236 | 6 | 00236 | Fri Feb 06 00:00:00 1970 PST
|
|
237 | 407 | 00237_update7 | Sat Feb 07 00:00:00 1970 PST
|
|
238 | 8 | 00238 | Sun Feb 08 00:00:00 1970 PST
|
|
239 | 509 | 00239_update9 | Mon Feb 09 00:00:00 1970 PST
|
|
240 | 0 | 00240 | Tue Feb 10 00:00:00 1970 PST
|
|
241 | 1 | 00241 | Wed Feb 11 00:00:00 1970 PST
|
|
243 | 303 | 00243_update3 | Fri Feb 13 00:00:00 1970 PST
|
|
244 | 4 | 00244 | Sat Feb 14 00:00:00 1970 PST
|
|
246 | 6 | 00246 | Mon Feb 16 00:00:00 1970 PST
|
|
247 | 407 | 00247_update7 | Tue Feb 17 00:00:00 1970 PST
|
|
248 | 8 | 00248 | Wed Feb 18 00:00:00 1970 PST
|
|
249 | 509 | 00249_update9 | Thu Feb 19 00:00:00 1970 PST
|
|
250 | 0 | 00250 | Fri Feb 20 00:00:00 1970 PST
|
|
251 | 1 | 00251 | Sat Feb 21 00:00:00 1970 PST
|
|
253 | 303 | 00253_update3 | Mon Feb 23 00:00:00 1970 PST
|
|
254 | 4 | 00254 | Tue Feb 24 00:00:00 1970 PST
|
|
256 | 6 | 00256 | Thu Feb 26 00:00:00 1970 PST
|
|
257 | 407 | 00257_update7 | Fri Feb 27 00:00:00 1970 PST
|
|
258 | 8 | 00258 | Sat Feb 28 00:00:00 1970 PST
|
|
259 | 509 | 00259_update9 | Sun Mar 01 00:00:00 1970 PST
|
|
260 | 0 | 00260 | Mon Mar 02 00:00:00 1970 PST
|
|
261 | 1 | 00261 | Tue Mar 03 00:00:00 1970 PST
|
|
263 | 303 | 00263_update3 | Thu Mar 05 00:00:00 1970 PST
|
|
264 | 4 | 00264 | Fri Mar 06 00:00:00 1970 PST
|
|
266 | 6 | 00266 | Sun Mar 08 00:00:00 1970 PST
|
|
267 | 407 | 00267_update7 | Mon Mar 09 00:00:00 1970 PST
|
|
268 | 8 | 00268 | Tue Mar 10 00:00:00 1970 PST
|
|
269 | 509 | 00269_update9 | Wed Mar 11 00:00:00 1970 PST
|
|
270 | 0 | 00270 | Thu Mar 12 00:00:00 1970 PST
|
|
271 | 1 | 00271 | Fri Mar 13 00:00:00 1970 PST
|
|
273 | 303 | 00273_update3 | Sun Mar 15 00:00:00 1970 PST
|
|
274 | 4 | 00274 | Mon Mar 16 00:00:00 1970 PST
|
|
276 | 6 | 00276 | Wed Mar 18 00:00:00 1970 PST
|
|
277 | 407 | 00277_update7 | Thu Mar 19 00:00:00 1970 PST
|
|
278 | 8 | 00278 | Fri Mar 20 00:00:00 1970 PST
|
|
279 | 509 | 00279_update9 | Sat Mar 21 00:00:00 1970 PST
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280 | 0 | 00280 | Sun Mar 22 00:00:00 1970 PST
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281 | 1 | 00281 | Mon Mar 23 00:00:00 1970 PST
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283 | 303 | 00283_update3 | Wed Mar 25 00:00:00 1970 PST
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284 | 4 | 00284 | Thu Mar 26 00:00:00 1970 PST
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286 | 6 | 00286 | Sat Mar 28 00:00:00 1970 PST
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287 | 407 | 00287_update7 | Sun Mar 29 00:00:00 1970 PST
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288 | 8 | 00288 | Mon Mar 30 00:00:00 1970 PST
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289 | 509 | 00289_update9 | Tue Mar 31 00:00:00 1970 PST
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290 | 0 | 00290 | Wed Apr 01 00:00:00 1970 PST
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291 | 1 | 00291 | Thu Apr 02 00:00:00 1970 PST
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293 | 303 | 00293_update3 | Sat Apr 04 00:00:00 1970 PST
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294 | 4 | 00294 | Sun Apr 05 00:00:00 1970 PST
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296 | 6 | 00296 | Tue Apr 07 00:00:00 1970 PST
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297 | 407 | 00297_update7 | Wed Apr 08 00:00:00 1970 PST
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298 | 8 | 00298 | Thu Apr 09 00:00:00 1970 PST
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299 | 509 | 00299_update9 | Fri Apr 10 00:00:00 1970 PST
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300 | 0 | 00300 | Thu Jan 01 00:00:00 1970 PST
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301 | 1 | 00301 | Fri Jan 02 00:00:00 1970 PST
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303 | 303 | 00303_update3 | Sun Jan 04 00:00:00 1970 PST
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304 | 4 | 00304 | Mon Jan 05 00:00:00 1970 PST
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306 | 6 | 00306 | Wed Jan 07 00:00:00 1970 PST
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307 | 407 | 00307_update7 | Thu Jan 08 00:00:00 1970 PST
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308 | 8 | 00308 | Fri Jan 09 00:00:00 1970 PST
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309 | 509 | 00309_update9 | Sat Jan 10 00:00:00 1970 PST
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310 | 0 | 00310 | Sun Jan 11 00:00:00 1970 PST
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311 | 1 | 00311 | Mon Jan 12 00:00:00 1970 PST
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313 | 303 | 00313_update3 | Wed Jan 14 00:00:00 1970 PST
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314 | 4 | 00314 | Thu Jan 15 00:00:00 1970 PST
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316 | 6 | 00316 | Sat Jan 17 00:00:00 1970 PST
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317 | 407 | 00317_update7 | Sun Jan 18 00:00:00 1970 PST
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318 | 8 | 00318 | Mon Jan 19 00:00:00 1970 PST
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319 | 509 | 00319_update9 | Tue Jan 20 00:00:00 1970 PST
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320 | 0 | 00320 | Wed Jan 21 00:00:00 1970 PST
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321 | 1 | 00321 | Thu Jan 22 00:00:00 1970 PST
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323 | 303 | 00323_update3 | Sat Jan 24 00:00:00 1970 PST
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324 | 4 | 00324 | Sun Jan 25 00:00:00 1970 PST
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326 | 6 | 00326 | Tue Jan 27 00:00:00 1970 PST
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327 | 407 | 00327_update7 | Wed Jan 28 00:00:00 1970 PST
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328 | 8 | 00328 | Thu Jan 29 00:00:00 1970 PST
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329 | 509 | 00329_update9 | Fri Jan 30 00:00:00 1970 PST
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330 | 0 | 00330 | Sat Jan 31 00:00:00 1970 PST
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331 | 1 | 00331 | Sun Feb 01 00:00:00 1970 PST
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333 | 303 | 00333_update3 | Tue Feb 03 00:00:00 1970 PST
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334 | 4 | 00334 | Wed Feb 04 00:00:00 1970 PST
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336 | 6 | 00336 | Fri Feb 06 00:00:00 1970 PST
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337 | 407 | 00337_update7 | Sat Feb 07 00:00:00 1970 PST
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338 | 8 | 00338 | Sun Feb 08 00:00:00 1970 PST
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339 | 509 | 00339_update9 | Mon Feb 09 00:00:00 1970 PST
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340 | 0 | 00340 | Tue Feb 10 00:00:00 1970 PST
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341 | 1 | 00341 | Wed Feb 11 00:00:00 1970 PST
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343 | 303 | 00343_update3 | Fri Feb 13 00:00:00 1970 PST
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344 | 4 | 00344 | Sat Feb 14 00:00:00 1970 PST
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346 | 6 | 00346 | Mon Feb 16 00:00:00 1970 PST
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347 | 407 | 00347_update7 | Tue Feb 17 00:00:00 1970 PST
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348 | 8 | 00348 | Wed Feb 18 00:00:00 1970 PST
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349 | 509 | 00349_update9 | Thu Feb 19 00:00:00 1970 PST
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350 | 0 | 00350 | Fri Feb 20 00:00:00 1970 PST
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351 | 1 | 00351 | Sat Feb 21 00:00:00 1970 PST
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353 | 303 | 00353_update3 | Mon Feb 23 00:00:00 1970 PST
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354 | 4 | 00354 | Tue Feb 24 00:00:00 1970 PST
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356 | 6 | 00356 | Thu Feb 26 00:00:00 1970 PST
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357 | 407 | 00357_update7 | Fri Feb 27 00:00:00 1970 PST
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358 | 8 | 00358 | Sat Feb 28 00:00:00 1970 PST
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359 | 509 | 00359_update9 | Sun Mar 01 00:00:00 1970 PST
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360 | 0 | 00360 | Mon Mar 02 00:00:00 1970 PST
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361 | 1 | 00361 | Tue Mar 03 00:00:00 1970 PST
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363 | 303 | 00363_update3 | Thu Mar 05 00:00:00 1970 PST
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364 | 4 | 00364 | Fri Mar 06 00:00:00 1970 PST
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366 | 6 | 00366 | Sun Mar 08 00:00:00 1970 PST
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367 | 407 | 00367_update7 | Mon Mar 09 00:00:00 1970 PST
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368 | 8 | 00368 | Tue Mar 10 00:00:00 1970 PST
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369 | 509 | 00369_update9 | Wed Mar 11 00:00:00 1970 PST
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370 | 0 | 00370 | Thu Mar 12 00:00:00 1970 PST
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371 | 1 | 00371 | Fri Mar 13 00:00:00 1970 PST
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373 | 303 | 00373_update3 | Sun Mar 15 00:00:00 1970 PST
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374 | 4 | 00374 | Mon Mar 16 00:00:00 1970 PST
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376 | 6 | 00376 | Wed Mar 18 00:00:00 1970 PST
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377 | 407 | 00377_update7 | Thu Mar 19 00:00:00 1970 PST
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378 | 8 | 00378 | Fri Mar 20 00:00:00 1970 PST
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379 | 509 | 00379_update9 | Sat Mar 21 00:00:00 1970 PST
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380 | 0 | 00380 | Sun Mar 22 00:00:00 1970 PST
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381 | 1 | 00381 | Mon Mar 23 00:00:00 1970 PST
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383 | 303 | 00383_update3 | Wed Mar 25 00:00:00 1970 PST
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384 | 4 | 00384 | Thu Mar 26 00:00:00 1970 PST
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386 | 6 | 00386 | Sat Mar 28 00:00:00 1970 PST
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387 | 407 | 00387_update7 | Sun Mar 29 00:00:00 1970 PST
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388 | 8 | 00388 | Mon Mar 30 00:00:00 1970 PST
|
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389 | 509 | 00389_update9 | Tue Mar 31 00:00:00 1970 PST
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390 | 0 | 00390 | Wed Apr 01 00:00:00 1970 PST
|
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391 | 1 | 00391 | Thu Apr 02 00:00:00 1970 PST
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393 | 303 | 00393_update3 | Sat Apr 04 00:00:00 1970 PST
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394 | 4 | 00394 | Sun Apr 05 00:00:00 1970 PST
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396 | 6 | 00396 | Tue Apr 07 00:00:00 1970 PST
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397 | 407 | 00397_update7 | Wed Apr 08 00:00:00 1970 PST
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398 | 8 | 00398 | Thu Apr 09 00:00:00 1970 PST
|
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399 | 509 | 00399_update9 | Fri Apr 10 00:00:00 1970 PST
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400 | 0 | 00400 | Thu Jan 01 00:00:00 1970 PST
|
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401 | 1 | 00401 | Fri Jan 02 00:00:00 1970 PST
|
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403 | 303 | 00403_update3 | Sun Jan 04 00:00:00 1970 PST
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404 | 4 | 00404 | Mon Jan 05 00:00:00 1970 PST
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406 | 6 | 00406 | Wed Jan 07 00:00:00 1970 PST
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407 | 407 | 00407_update7 | Thu Jan 08 00:00:00 1970 PST
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408 | 8 | 00408 | Fri Jan 09 00:00:00 1970 PST
|
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409 | 509 | 00409_update9 | Sat Jan 10 00:00:00 1970 PST
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410 | 0 | 00410 | Sun Jan 11 00:00:00 1970 PST
|
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411 | 1 | 00411 | Mon Jan 12 00:00:00 1970 PST
|
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413 | 303 | 00413_update3 | Wed Jan 14 00:00:00 1970 PST
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414 | 4 | 00414 | Thu Jan 15 00:00:00 1970 PST
|
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416 | 6 | 00416 | Sat Jan 17 00:00:00 1970 PST
|
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417 | 407 | 00417_update7 | Sun Jan 18 00:00:00 1970 PST
|
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418 | 8 | 00418 | Mon Jan 19 00:00:00 1970 PST
|
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419 | 509 | 00419_update9 | Tue Jan 20 00:00:00 1970 PST
|
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420 | 0 | 00420 | Wed Jan 21 00:00:00 1970 PST
|
|
421 | 1 | 00421 | Thu Jan 22 00:00:00 1970 PST
|
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423 | 303 | 00423_update3 | Sat Jan 24 00:00:00 1970 PST
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424 | 4 | 00424 | Sun Jan 25 00:00:00 1970 PST
|
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426 | 6 | 00426 | Tue Jan 27 00:00:00 1970 PST
|
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427 | 407 | 00427_update7 | Wed Jan 28 00:00:00 1970 PST
|
|
428 | 8 | 00428 | Thu Jan 29 00:00:00 1970 PST
|
|
429 | 509 | 00429_update9 | Fri Jan 30 00:00:00 1970 PST
|
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430 | 0 | 00430 | Sat Jan 31 00:00:00 1970 PST
|
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431 | 1 | 00431 | Sun Feb 01 00:00:00 1970 PST
|
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433 | 303 | 00433_update3 | Tue Feb 03 00:00:00 1970 PST
|
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434 | 4 | 00434 | Wed Feb 04 00:00:00 1970 PST
|
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436 | 6 | 00436 | Fri Feb 06 00:00:00 1970 PST
|
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437 | 407 | 00437_update7 | Sat Feb 07 00:00:00 1970 PST
|
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438 | 8 | 00438 | Sun Feb 08 00:00:00 1970 PST
|
|
439 | 509 | 00439_update9 | Mon Feb 09 00:00:00 1970 PST
|
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440 | 0 | 00440 | Tue Feb 10 00:00:00 1970 PST
|
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441 | 1 | 00441 | Wed Feb 11 00:00:00 1970 PST
|
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443 | 303 | 00443_update3 | Fri Feb 13 00:00:00 1970 PST
|
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444 | 4 | 00444 | Sat Feb 14 00:00:00 1970 PST
|
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446 | 6 | 00446 | Mon Feb 16 00:00:00 1970 PST
|
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447 | 407 | 00447_update7 | Tue Feb 17 00:00:00 1970 PST
|
|
448 | 8 | 00448 | Wed Feb 18 00:00:00 1970 PST
|
|
449 | 509 | 00449_update9 | Thu Feb 19 00:00:00 1970 PST
|
|
450 | 0 | 00450 | Fri Feb 20 00:00:00 1970 PST
|
|
451 | 1 | 00451 | Sat Feb 21 00:00:00 1970 PST
|
|
453 | 303 | 00453_update3 | Mon Feb 23 00:00:00 1970 PST
|
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454 | 4 | 00454 | Tue Feb 24 00:00:00 1970 PST
|
|
456 | 6 | 00456 | Thu Feb 26 00:00:00 1970 PST
|
|
457 | 407 | 00457_update7 | Fri Feb 27 00:00:00 1970 PST
|
|
458 | 8 | 00458 | Sat Feb 28 00:00:00 1970 PST
|
|
459 | 509 | 00459_update9 | Sun Mar 01 00:00:00 1970 PST
|
|
460 | 0 | 00460 | Mon Mar 02 00:00:00 1970 PST
|
|
461 | 1 | 00461 | Tue Mar 03 00:00:00 1970 PST
|
|
463 | 303 | 00463_update3 | Thu Mar 05 00:00:00 1970 PST
|
|
464 | 4 | 00464 | Fri Mar 06 00:00:00 1970 PST
|
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466 | 6 | 00466 | Sun Mar 08 00:00:00 1970 PST
|
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467 | 407 | 00467_update7 | Mon Mar 09 00:00:00 1970 PST
|
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468 | 8 | 00468 | Tue Mar 10 00:00:00 1970 PST
|
|
469 | 509 | 00469_update9 | Wed Mar 11 00:00:00 1970 PST
|
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470 | 0 | 00470 | Thu Mar 12 00:00:00 1970 PST
|
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471 | 1 | 00471 | Fri Mar 13 00:00:00 1970 PST
|
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473 | 303 | 00473_update3 | Sun Mar 15 00:00:00 1970 PST
|
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474 | 4 | 00474 | Mon Mar 16 00:00:00 1970 PST
|
|
476 | 6 | 00476 | Wed Mar 18 00:00:00 1970 PST
|
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477 | 407 | 00477_update7 | Thu Mar 19 00:00:00 1970 PST
|
|
478 | 8 | 00478 | Fri Mar 20 00:00:00 1970 PST
|
|
479 | 509 | 00479_update9 | Sat Mar 21 00:00:00 1970 PST
|
|
480 | 0 | 00480 | Sun Mar 22 00:00:00 1970 PST
|
|
481 | 1 | 00481 | Mon Mar 23 00:00:00 1970 PST
|
|
483 | 303 | 00483_update3 | Wed Mar 25 00:00:00 1970 PST
|
|
484 | 4 | 00484 | Thu Mar 26 00:00:00 1970 PST
|
|
486 | 6 | 00486 | Sat Mar 28 00:00:00 1970 PST
|
|
487 | 407 | 00487_update7 | Sun Mar 29 00:00:00 1970 PST
|
|
488 | 8 | 00488 | Mon Mar 30 00:00:00 1970 PST
|
|
489 | 509 | 00489_update9 | Tue Mar 31 00:00:00 1970 PST
|
|
490 | 0 | 00490 | Wed Apr 01 00:00:00 1970 PST
|
|
491 | 1 | 00491 | Thu Apr 02 00:00:00 1970 PST
|
|
493 | 303 | 00493_update3 | Sat Apr 04 00:00:00 1970 PST
|
|
494 | 4 | 00494 | Sun Apr 05 00:00:00 1970 PST
|
|
496 | 6 | 00496 | Tue Apr 07 00:00:00 1970 PST
|
|
497 | 407 | 00497_update7 | Wed Apr 08 00:00:00 1970 PST
|
|
498 | 8 | 00498 | Thu Apr 09 00:00:00 1970 PST
|
|
499 | 509 | 00499_update9 | Fri Apr 10 00:00:00 1970 PST
|
|
500 | 0 | 00500 | Thu Jan 01 00:00:00 1970 PST
|
|
501 | 1 | 00501 | Fri Jan 02 00:00:00 1970 PST
|
|
503 | 303 | 00503_update3 | Sun Jan 04 00:00:00 1970 PST
|
|
504 | 4 | 00504 | Mon Jan 05 00:00:00 1970 PST
|
|
506 | 6 | 00506 | Wed Jan 07 00:00:00 1970 PST
|
|
507 | 407 | 00507_update7 | Thu Jan 08 00:00:00 1970 PST
|
|
508 | 8 | 00508 | Fri Jan 09 00:00:00 1970 PST
|
|
509 | 509 | 00509_update9 | Sat Jan 10 00:00:00 1970 PST
|
|
510 | 0 | 00510 | Sun Jan 11 00:00:00 1970 PST
|
|
511 | 1 | 00511 | Mon Jan 12 00:00:00 1970 PST
|
|
513 | 303 | 00513_update3 | Wed Jan 14 00:00:00 1970 PST
|
|
514 | 4 | 00514 | Thu Jan 15 00:00:00 1970 PST
|
|
516 | 6 | 00516 | Sat Jan 17 00:00:00 1970 PST
|
|
517 | 407 | 00517_update7 | Sun Jan 18 00:00:00 1970 PST
|
|
518 | 8 | 00518 | Mon Jan 19 00:00:00 1970 PST
|
|
519 | 509 | 00519_update9 | Tue Jan 20 00:00:00 1970 PST
|
|
520 | 0 | 00520 | Wed Jan 21 00:00:00 1970 PST
|
|
521 | 1 | 00521 | Thu Jan 22 00:00:00 1970 PST
|
|
523 | 303 | 00523_update3 | Sat Jan 24 00:00:00 1970 PST
|
|
524 | 4 | 00524 | Sun Jan 25 00:00:00 1970 PST
|
|
526 | 6 | 00526 | Tue Jan 27 00:00:00 1970 PST
|
|
527 | 407 | 00527_update7 | Wed Jan 28 00:00:00 1970 PST
|
|
528 | 8 | 00528 | Thu Jan 29 00:00:00 1970 PST
|
|
529 | 509 | 00529_update9 | Fri Jan 30 00:00:00 1970 PST
|
|
530 | 0 | 00530 | Sat Jan 31 00:00:00 1970 PST
|
|
531 | 1 | 00531 | Sun Feb 01 00:00:00 1970 PST
|
|
533 | 303 | 00533_update3 | Tue Feb 03 00:00:00 1970 PST
|
|
534 | 4 | 00534 | Wed Feb 04 00:00:00 1970 PST
|
|
536 | 6 | 00536 | Fri Feb 06 00:00:00 1970 PST
|
|
537 | 407 | 00537_update7 | Sat Feb 07 00:00:00 1970 PST
|
|
538 | 8 | 00538 | Sun Feb 08 00:00:00 1970 PST
|
|
539 | 509 | 00539_update9 | Mon Feb 09 00:00:00 1970 PST
|
|
540 | 0 | 00540 | Tue Feb 10 00:00:00 1970 PST
|
|
541 | 1 | 00541 | Wed Feb 11 00:00:00 1970 PST
|
|
543 | 303 | 00543_update3 | Fri Feb 13 00:00:00 1970 PST
|
|
544 | 4 | 00544 | Sat Feb 14 00:00:00 1970 PST
|
|
546 | 6 | 00546 | Mon Feb 16 00:00:00 1970 PST
|
|
547 | 407 | 00547_update7 | Tue Feb 17 00:00:00 1970 PST
|
|
548 | 8 | 00548 | Wed Feb 18 00:00:00 1970 PST
|
|
549 | 509 | 00549_update9 | Thu Feb 19 00:00:00 1970 PST
|
|
550 | 0 | 00550 | Fri Feb 20 00:00:00 1970 PST
|
|
551 | 1 | 00551 | Sat Feb 21 00:00:00 1970 PST
|
|
553 | 303 | 00553_update3 | Mon Feb 23 00:00:00 1970 PST
|
|
554 | 4 | 00554 | Tue Feb 24 00:00:00 1970 PST
|
|
556 | 6 | 00556 | Thu Feb 26 00:00:00 1970 PST
|
|
557 | 407 | 00557_update7 | Fri Feb 27 00:00:00 1970 PST
|
|
558 | 8 | 00558 | Sat Feb 28 00:00:00 1970 PST
|
|
559 | 509 | 00559_update9 | Sun Mar 01 00:00:00 1970 PST
|
|
560 | 0 | 00560 | Mon Mar 02 00:00:00 1970 PST
|
|
561 | 1 | 00561 | Tue Mar 03 00:00:00 1970 PST
|
|
563 | 303 | 00563_update3 | Thu Mar 05 00:00:00 1970 PST
|
|
564 | 4 | 00564 | Fri Mar 06 00:00:00 1970 PST
|
|
566 | 6 | 00566 | Sun Mar 08 00:00:00 1970 PST
|
|
567 | 407 | 00567_update7 | Mon Mar 09 00:00:00 1970 PST
|
|
568 | 8 | 00568 | Tue Mar 10 00:00:00 1970 PST
|
|
569 | 509 | 00569_update9 | Wed Mar 11 00:00:00 1970 PST
|
|
570 | 0 | 00570 | Thu Mar 12 00:00:00 1970 PST
|
|
571 | 1 | 00571 | Fri Mar 13 00:00:00 1970 PST
|
|
573 | 303 | 00573_update3 | Sun Mar 15 00:00:00 1970 PST
|
|
574 | 4 | 00574 | Mon Mar 16 00:00:00 1970 PST
|
|
576 | 6 | 00576 | Wed Mar 18 00:00:00 1970 PST
|
|
577 | 407 | 00577_update7 | Thu Mar 19 00:00:00 1970 PST
|
|
578 | 8 | 00578 | Fri Mar 20 00:00:00 1970 PST
|
|
579 | 509 | 00579_update9 | Sat Mar 21 00:00:00 1970 PST
|
|
580 | 0 | 00580 | Sun Mar 22 00:00:00 1970 PST
|
|
581 | 1 | 00581 | Mon Mar 23 00:00:00 1970 PST
|
|
583 | 303 | 00583_update3 | Wed Mar 25 00:00:00 1970 PST
|
|
584 | 4 | 00584 | Thu Mar 26 00:00:00 1970 PST
|
|
586 | 6 | 00586 | Sat Mar 28 00:00:00 1970 PST
|
|
587 | 407 | 00587_update7 | Sun Mar 29 00:00:00 1970 PST
|
|
588 | 8 | 00588 | Mon Mar 30 00:00:00 1970 PST
|
|
589 | 509 | 00589_update9 | Tue Mar 31 00:00:00 1970 PST
|
|
590 | 0 | 00590 | Wed Apr 01 00:00:00 1970 PST
|
|
591 | 1 | 00591 | Thu Apr 02 00:00:00 1970 PST
|
|
593 | 303 | 00593_update3 | Sat Apr 04 00:00:00 1970 PST
|
|
594 | 4 | 00594 | Sun Apr 05 00:00:00 1970 PST
|
|
596 | 6 | 00596 | Tue Apr 07 00:00:00 1970 PST
|
|
597 | 407 | 00597_update7 | Wed Apr 08 00:00:00 1970 PST
|
|
598 | 8 | 00598 | Thu Apr 09 00:00:00 1970 PST
|
|
599 | 509 | 00599_update9 | Fri Apr 10 00:00:00 1970 PST
|
|
600 | 0 | 00600 | Thu Jan 01 00:00:00 1970 PST
|
|
601 | 1 | 00601 | Fri Jan 02 00:00:00 1970 PST
|
|
603 | 303 | 00603_update3 | Sun Jan 04 00:00:00 1970 PST
|
|
604 | 4 | 00604 | Mon Jan 05 00:00:00 1970 PST
|
|
606 | 6 | 00606 | Wed Jan 07 00:00:00 1970 PST
|
|
607 | 407 | 00607_update7 | Thu Jan 08 00:00:00 1970 PST
|
|
608 | 8 | 00608 | Fri Jan 09 00:00:00 1970 PST
|
|
609 | 509 | 00609_update9 | Sat Jan 10 00:00:00 1970 PST
|
|
610 | 0 | 00610 | Sun Jan 11 00:00:00 1970 PST
|
|
611 | 1 | 00611 | Mon Jan 12 00:00:00 1970 PST
|
|
613 | 303 | 00613_update3 | Wed Jan 14 00:00:00 1970 PST
|
|
614 | 4 | 00614 | Thu Jan 15 00:00:00 1970 PST
|
|
616 | 6 | 00616 | Sat Jan 17 00:00:00 1970 PST
|
|
617 | 407 | 00617_update7 | Sun Jan 18 00:00:00 1970 PST
|
|
618 | 8 | 00618 | Mon Jan 19 00:00:00 1970 PST
|
|
619 | 509 | 00619_update9 | Tue Jan 20 00:00:00 1970 PST
|
|
620 | 0 | 00620 | Wed Jan 21 00:00:00 1970 PST
|
|
621 | 1 | 00621 | Thu Jan 22 00:00:00 1970 PST
|
|
623 | 303 | 00623_update3 | Sat Jan 24 00:00:00 1970 PST
|
|
624 | 4 | 00624 | Sun Jan 25 00:00:00 1970 PST
|
|
626 | 6 | 00626 | Tue Jan 27 00:00:00 1970 PST
|
|
627 | 407 | 00627_update7 | Wed Jan 28 00:00:00 1970 PST
|
|
628 | 8 | 00628 | Thu Jan 29 00:00:00 1970 PST
|
|
629 | 509 | 00629_update9 | Fri Jan 30 00:00:00 1970 PST
|
|
630 | 0 | 00630 | Sat Jan 31 00:00:00 1970 PST
|
|
631 | 1 | 00631 | Sun Feb 01 00:00:00 1970 PST
|
|
633 | 303 | 00633_update3 | Tue Feb 03 00:00:00 1970 PST
|
|
634 | 4 | 00634 | Wed Feb 04 00:00:00 1970 PST
|
|
636 | 6 | 00636 | Fri Feb 06 00:00:00 1970 PST
|
|
637 | 407 | 00637_update7 | Sat Feb 07 00:00:00 1970 PST
|
|
638 | 8 | 00638 | Sun Feb 08 00:00:00 1970 PST
|
|
639 | 509 | 00639_update9 | Mon Feb 09 00:00:00 1970 PST
|
|
640 | 0 | 00640 | Tue Feb 10 00:00:00 1970 PST
|
|
641 | 1 | 00641 | Wed Feb 11 00:00:00 1970 PST
|
|
643 | 303 | 00643_update3 | Fri Feb 13 00:00:00 1970 PST
|
|
644 | 4 | 00644 | Sat Feb 14 00:00:00 1970 PST
|
|
646 | 6 | 00646 | Mon Feb 16 00:00:00 1970 PST
|
|
647 | 407 | 00647_update7 | Tue Feb 17 00:00:00 1970 PST
|
|
648 | 8 | 00648 | Wed Feb 18 00:00:00 1970 PST
|
|
649 | 509 | 00649_update9 | Thu Feb 19 00:00:00 1970 PST
|
|
650 | 0 | 00650 | Fri Feb 20 00:00:00 1970 PST
|
|
651 | 1 | 00651 | Sat Feb 21 00:00:00 1970 PST
|
|
653 | 303 | 00653_update3 | Mon Feb 23 00:00:00 1970 PST
|
|
654 | 4 | 00654 | Tue Feb 24 00:00:00 1970 PST
|
|
656 | 6 | 00656 | Thu Feb 26 00:00:00 1970 PST
|
|
657 | 407 | 00657_update7 | Fri Feb 27 00:00:00 1970 PST
|
|
658 | 8 | 00658 | Sat Feb 28 00:00:00 1970 PST
|
|
659 | 509 | 00659_update9 | Sun Mar 01 00:00:00 1970 PST
|
|
660 | 0 | 00660 | Mon Mar 02 00:00:00 1970 PST
|
|
661 | 1 | 00661 | Tue Mar 03 00:00:00 1970 PST
|
|
663 | 303 | 00663_update3 | Thu Mar 05 00:00:00 1970 PST
|
|
664 | 4 | 00664 | Fri Mar 06 00:00:00 1970 PST
|
|
666 | 6 | 00666 | Sun Mar 08 00:00:00 1970 PST
|
|
667 | 407 | 00667_update7 | Mon Mar 09 00:00:00 1970 PST
|
|
668 | 8 | 00668 | Tue Mar 10 00:00:00 1970 PST
|
|
669 | 509 | 00669_update9 | Wed Mar 11 00:00:00 1970 PST
|
|
670 | 0 | 00670 | Thu Mar 12 00:00:00 1970 PST
|
|
671 | 1 | 00671 | Fri Mar 13 00:00:00 1970 PST
|
|
673 | 303 | 00673_update3 | Sun Mar 15 00:00:00 1970 PST
|
|
674 | 4 | 00674 | Mon Mar 16 00:00:00 1970 PST
|
|
676 | 6 | 00676 | Wed Mar 18 00:00:00 1970 PST
|
|
677 | 407 | 00677_update7 | Thu Mar 19 00:00:00 1970 PST
|
|
678 | 8 | 00678 | Fri Mar 20 00:00:00 1970 PST
|
|
679 | 509 | 00679_update9 | Sat Mar 21 00:00:00 1970 PST
|
|
680 | 0 | 00680 | Sun Mar 22 00:00:00 1970 PST
|
|
681 | 1 | 00681 | Mon Mar 23 00:00:00 1970 PST
|
|
683 | 303 | 00683_update3 | Wed Mar 25 00:00:00 1970 PST
|
|
684 | 4 | 00684 | Thu Mar 26 00:00:00 1970 PST
|
|
686 | 6 | 00686 | Sat Mar 28 00:00:00 1970 PST
|
|
687 | 407 | 00687_update7 | Sun Mar 29 00:00:00 1970 PST
|
|
688 | 8 | 00688 | Mon Mar 30 00:00:00 1970 PST
|
|
689 | 509 | 00689_update9 | Tue Mar 31 00:00:00 1970 PST
|
|
690 | 0 | 00690 | Wed Apr 01 00:00:00 1970 PST
|
|
691 | 1 | 00691 | Thu Apr 02 00:00:00 1970 PST
|
|
693 | 303 | 00693_update3 | Sat Apr 04 00:00:00 1970 PST
|
|
694 | 4 | 00694 | Sun Apr 05 00:00:00 1970 PST
|
|
696 | 6 | 00696 | Tue Apr 07 00:00:00 1970 PST
|
|
697 | 407 | 00697_update7 | Wed Apr 08 00:00:00 1970 PST
|
|
698 | 8 | 00698 | Thu Apr 09 00:00:00 1970 PST
|
|
699 | 509 | 00699_update9 | Fri Apr 10 00:00:00 1970 PST
|
|
700 | 0 | 00700 | Thu Jan 01 00:00:00 1970 PST
|
|
701 | 1 | 00701 | Fri Jan 02 00:00:00 1970 PST
|
|
703 | 303 | 00703_update3 | Sun Jan 04 00:00:00 1970 PST
|
|
704 | 4 | 00704 | Mon Jan 05 00:00:00 1970 PST
|
|
706 | 6 | 00706 | Wed Jan 07 00:00:00 1970 PST
|
|
707 | 407 | 00707_update7 | Thu Jan 08 00:00:00 1970 PST
|
|
708 | 8 | 00708 | Fri Jan 09 00:00:00 1970 PST
|
|
709 | 509 | 00709_update9 | Sat Jan 10 00:00:00 1970 PST
|
|
710 | 0 | 00710 | Sun Jan 11 00:00:00 1970 PST
|
|
711 | 1 | 00711 | Mon Jan 12 00:00:00 1970 PST
|
|
713 | 303 | 00713_update3 | Wed Jan 14 00:00:00 1970 PST
|
|
714 | 4 | 00714 | Thu Jan 15 00:00:00 1970 PST
|
|
716 | 6 | 00716 | Sat Jan 17 00:00:00 1970 PST
|
|
717 | 407 | 00717_update7 | Sun Jan 18 00:00:00 1970 PST
|
|
718 | 8 | 00718 | Mon Jan 19 00:00:00 1970 PST
|
|
719 | 509 | 00719_update9 | Tue Jan 20 00:00:00 1970 PST
|
|
720 | 0 | 00720 | Wed Jan 21 00:00:00 1970 PST
|
|
721 | 1 | 00721 | Thu Jan 22 00:00:00 1970 PST
|
|
723 | 303 | 00723_update3 | Sat Jan 24 00:00:00 1970 PST
|
|
724 | 4 | 00724 | Sun Jan 25 00:00:00 1970 PST
|
|
726 | 6 | 00726 | Tue Jan 27 00:00:00 1970 PST
|
|
727 | 407 | 00727_update7 | Wed Jan 28 00:00:00 1970 PST
|
|
728 | 8 | 00728 | Thu Jan 29 00:00:00 1970 PST
|
|
729 | 509 | 00729_update9 | Fri Jan 30 00:00:00 1970 PST
|
|
730 | 0 | 00730 | Sat Jan 31 00:00:00 1970 PST
|
|
731 | 1 | 00731 | Sun Feb 01 00:00:00 1970 PST
|
|
733 | 303 | 00733_update3 | Tue Feb 03 00:00:00 1970 PST
|
|
734 | 4 | 00734 | Wed Feb 04 00:00:00 1970 PST
|
|
736 | 6 | 00736 | Fri Feb 06 00:00:00 1970 PST
|
|
737 | 407 | 00737_update7 | Sat Feb 07 00:00:00 1970 PST
|
|
738 | 8 | 00738 | Sun Feb 08 00:00:00 1970 PST
|
|
739 | 509 | 00739_update9 | Mon Feb 09 00:00:00 1970 PST
|
|
740 | 0 | 00740 | Tue Feb 10 00:00:00 1970 PST
|
|
741 | 1 | 00741 | Wed Feb 11 00:00:00 1970 PST
|
|
743 | 303 | 00743_update3 | Fri Feb 13 00:00:00 1970 PST
|
|
744 | 4 | 00744 | Sat Feb 14 00:00:00 1970 PST
|
|
746 | 6 | 00746 | Mon Feb 16 00:00:00 1970 PST
|
|
747 | 407 | 00747_update7 | Tue Feb 17 00:00:00 1970 PST
|
|
748 | 8 | 00748 | Wed Feb 18 00:00:00 1970 PST
|
|
749 | 509 | 00749_update9 | Thu Feb 19 00:00:00 1970 PST
|
|
750 | 0 | 00750 | Fri Feb 20 00:00:00 1970 PST
|
|
751 | 1 | 00751 | Sat Feb 21 00:00:00 1970 PST
|
|
753 | 303 | 00753_update3 | Mon Feb 23 00:00:00 1970 PST
|
|
754 | 4 | 00754 | Tue Feb 24 00:00:00 1970 PST
|
|
756 | 6 | 00756 | Thu Feb 26 00:00:00 1970 PST
|
|
757 | 407 | 00757_update7 | Fri Feb 27 00:00:00 1970 PST
|
|
758 | 8 | 00758 | Sat Feb 28 00:00:00 1970 PST
|
|
759 | 509 | 00759_update9 | Sun Mar 01 00:00:00 1970 PST
|
|
760 | 0 | 00760 | Mon Mar 02 00:00:00 1970 PST
|
|
761 | 1 | 00761 | Tue Mar 03 00:00:00 1970 PST
|
|
763 | 303 | 00763_update3 | Thu Mar 05 00:00:00 1970 PST
|
|
764 | 4 | 00764 | Fri Mar 06 00:00:00 1970 PST
|
|
766 | 6 | 00766 | Sun Mar 08 00:00:00 1970 PST
|
|
767 | 407 | 00767_update7 | Mon Mar 09 00:00:00 1970 PST
|
|
768 | 8 | 00768 | Tue Mar 10 00:00:00 1970 PST
|
|
769 | 509 | 00769_update9 | Wed Mar 11 00:00:00 1970 PST
|
|
770 | 0 | 00770 | Thu Mar 12 00:00:00 1970 PST
|
|
771 | 1 | 00771 | Fri Mar 13 00:00:00 1970 PST
|
|
773 | 303 | 00773_update3 | Sun Mar 15 00:00:00 1970 PST
|
|
774 | 4 | 00774 | Mon Mar 16 00:00:00 1970 PST
|
|
776 | 6 | 00776 | Wed Mar 18 00:00:00 1970 PST
|
|
777 | 407 | 00777_update7 | Thu Mar 19 00:00:00 1970 PST
|
|
778 | 8 | 00778 | Fri Mar 20 00:00:00 1970 PST
|
|
779 | 509 | 00779_update9 | Sat Mar 21 00:00:00 1970 PST
|
|
780 | 0 | 00780 | Sun Mar 22 00:00:00 1970 PST
|
|
781 | 1 | 00781 | Mon Mar 23 00:00:00 1970 PST
|
|
783 | 303 | 00783_update3 | Wed Mar 25 00:00:00 1970 PST
|
|
784 | 4 | 00784 | Thu Mar 26 00:00:00 1970 PST
|
|
786 | 6 | 00786 | Sat Mar 28 00:00:00 1970 PST
|
|
787 | 407 | 00787_update7 | Sun Mar 29 00:00:00 1970 PST
|
|
788 | 8 | 00788 | Mon Mar 30 00:00:00 1970 PST
|
|
789 | 509 | 00789_update9 | Tue Mar 31 00:00:00 1970 PST
|
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790 | 0 | 00790 | Wed Apr 01 00:00:00 1970 PST
|
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791 | 1 | 00791 | Thu Apr 02 00:00:00 1970 PST
|
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793 | 303 | 00793_update3 | Sat Apr 04 00:00:00 1970 PST
|
|
794 | 4 | 00794 | Sun Apr 05 00:00:00 1970 PST
|
|
796 | 6 | 00796 | Tue Apr 07 00:00:00 1970 PST
|
|
797 | 407 | 00797_update7 | Wed Apr 08 00:00:00 1970 PST
|
|
798 | 8 | 00798 | Thu Apr 09 00:00:00 1970 PST
|
|
799 | 509 | 00799_update9 | Fri Apr 10 00:00:00 1970 PST
|
|
800 | 0 | 00800 | Thu Jan 01 00:00:00 1970 PST
|
|
801 | 1 | 00801 | Fri Jan 02 00:00:00 1970 PST
|
|
803 | 303 | 00803_update3 | Sun Jan 04 00:00:00 1970 PST
|
|
804 | 4 | 00804 | Mon Jan 05 00:00:00 1970 PST
|
|
806 | 6 | 00806 | Wed Jan 07 00:00:00 1970 PST
|
|
807 | 407 | 00807_update7 | Thu Jan 08 00:00:00 1970 PST
|
|
808 | 8 | 00808 | Fri Jan 09 00:00:00 1970 PST
|
|
809 | 509 | 00809_update9 | Sat Jan 10 00:00:00 1970 PST
|
|
810 | 0 | 00810 | Sun Jan 11 00:00:00 1970 PST
|
|
811 | 1 | 00811 | Mon Jan 12 00:00:00 1970 PST
|
|
813 | 303 | 00813_update3 | Wed Jan 14 00:00:00 1970 PST
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|
814 | 4 | 00814 | Thu Jan 15 00:00:00 1970 PST
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816 | 6 | 00816 | Sat Jan 17 00:00:00 1970 PST
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817 | 407 | 00817_update7 | Sun Jan 18 00:00:00 1970 PST
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818 | 8 | 00818 | Mon Jan 19 00:00:00 1970 PST
|
|
819 | 509 | 00819_update9 | Tue Jan 20 00:00:00 1970 PST
|
|
820 | 0 | 00820 | Wed Jan 21 00:00:00 1970 PST
|
|
821 | 1 | 00821 | Thu Jan 22 00:00:00 1970 PST
|
|
823 | 303 | 00823_update3 | Sat Jan 24 00:00:00 1970 PST
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824 | 4 | 00824 | Sun Jan 25 00:00:00 1970 PST
|
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826 | 6 | 00826 | Tue Jan 27 00:00:00 1970 PST
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827 | 407 | 00827_update7 | Wed Jan 28 00:00:00 1970 PST
|
|
828 | 8 | 00828 | Thu Jan 29 00:00:00 1970 PST
|
|
829 | 509 | 00829_update9 | Fri Jan 30 00:00:00 1970 PST
|
|
830 | 0 | 00830 | Sat Jan 31 00:00:00 1970 PST
|
|
831 | 1 | 00831 | Sun Feb 01 00:00:00 1970 PST
|
|
833 | 303 | 00833_update3 | Tue Feb 03 00:00:00 1970 PST
|
|
834 | 4 | 00834 | Wed Feb 04 00:00:00 1970 PST
|
|
836 | 6 | 00836 | Fri Feb 06 00:00:00 1970 PST
|
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837 | 407 | 00837_update7 | Sat Feb 07 00:00:00 1970 PST
|
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838 | 8 | 00838 | Sun Feb 08 00:00:00 1970 PST
|
|
839 | 509 | 00839_update9 | Mon Feb 09 00:00:00 1970 PST
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840 | 0 | 00840 | Tue Feb 10 00:00:00 1970 PST
|
|
841 | 1 | 00841 | Wed Feb 11 00:00:00 1970 PST
|
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843 | 303 | 00843_update3 | Fri Feb 13 00:00:00 1970 PST
|
|
844 | 4 | 00844 | Sat Feb 14 00:00:00 1970 PST
|
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846 | 6 | 00846 | Mon Feb 16 00:00:00 1970 PST
|
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847 | 407 | 00847_update7 | Tue Feb 17 00:00:00 1970 PST
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|
848 | 8 | 00848 | Wed Feb 18 00:00:00 1970 PST
|
|
849 | 509 | 00849_update9 | Thu Feb 19 00:00:00 1970 PST
|
|
850 | 0 | 00850 | Fri Feb 20 00:00:00 1970 PST
|
|
851 | 1 | 00851 | Sat Feb 21 00:00:00 1970 PST
|
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853 | 303 | 00853_update3 | Mon Feb 23 00:00:00 1970 PST
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|
854 | 4 | 00854 | Tue Feb 24 00:00:00 1970 PST
|
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856 | 6 | 00856 | Thu Feb 26 00:00:00 1970 PST
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857 | 407 | 00857_update7 | Fri Feb 27 00:00:00 1970 PST
|
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858 | 8 | 00858 | Sat Feb 28 00:00:00 1970 PST
|
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859 | 509 | 00859_update9 | Sun Mar 01 00:00:00 1970 PST
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860 | 0 | 00860 | Mon Mar 02 00:00:00 1970 PST
|
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861 | 1 | 00861 | Tue Mar 03 00:00:00 1970 PST
|
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863 | 303 | 00863_update3 | Thu Mar 05 00:00:00 1970 PST
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864 | 4 | 00864 | Fri Mar 06 00:00:00 1970 PST
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866 | 6 | 00866 | Sun Mar 08 00:00:00 1970 PST
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867 | 407 | 00867_update7 | Mon Mar 09 00:00:00 1970 PST
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868 | 8 | 00868 | Tue Mar 10 00:00:00 1970 PST
|
|
869 | 509 | 00869_update9 | Wed Mar 11 00:00:00 1970 PST
|
|
870 | 0 | 00870 | Thu Mar 12 00:00:00 1970 PST
|
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871 | 1 | 00871 | Fri Mar 13 00:00:00 1970 PST
|
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873 | 303 | 00873_update3 | Sun Mar 15 00:00:00 1970 PST
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|
874 | 4 | 00874 | Mon Mar 16 00:00:00 1970 PST
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876 | 6 | 00876 | Wed Mar 18 00:00:00 1970 PST
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877 | 407 | 00877_update7 | Thu Mar 19 00:00:00 1970 PST
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878 | 8 | 00878 | Fri Mar 20 00:00:00 1970 PST
|
|
879 | 509 | 00879_update9 | Sat Mar 21 00:00:00 1970 PST
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880 | 0 | 00880 | Sun Mar 22 00:00:00 1970 PST
|
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881 | 1 | 00881 | Mon Mar 23 00:00:00 1970 PST
|
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883 | 303 | 00883_update3 | Wed Mar 25 00:00:00 1970 PST
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884 | 4 | 00884 | Thu Mar 26 00:00:00 1970 PST
|
|
886 | 6 | 00886 | Sat Mar 28 00:00:00 1970 PST
|
|
887 | 407 | 00887_update7 | Sun Mar 29 00:00:00 1970 PST
|
|
888 | 8 | 00888 | Mon Mar 30 00:00:00 1970 PST
|
|
889 | 509 | 00889_update9 | Tue Mar 31 00:00:00 1970 PST
|
|
890 | 0 | 00890 | Wed Apr 01 00:00:00 1970 PST
|
|
891 | 1 | 00891 | Thu Apr 02 00:00:00 1970 PST
|
|
893 | 303 | 00893_update3 | Sat Apr 04 00:00:00 1970 PST
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|
894 | 4 | 00894 | Sun Apr 05 00:00:00 1970 PST
|
|
896 | 6 | 00896 | Tue Apr 07 00:00:00 1970 PST
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897 | 407 | 00897_update7 | Wed Apr 08 00:00:00 1970 PST
|
|
898 | 8 | 00898 | Thu Apr 09 00:00:00 1970 PST
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|
899 | 509 | 00899_update9 | Fri Apr 10 00:00:00 1970 PST
|
|
900 | 0 | 00900 | Thu Jan 01 00:00:00 1970 PST
|
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901 | 1 | 00901 | Fri Jan 02 00:00:00 1970 PST
|
|
903 | 303 | 00903_update3 | Sun Jan 04 00:00:00 1970 PST
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904 | 4 | 00904 | Mon Jan 05 00:00:00 1970 PST
|
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906 | 6 | 00906 | Wed Jan 07 00:00:00 1970 PST
|
|
907 | 407 | 00907_update7 | Thu Jan 08 00:00:00 1970 PST
|
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908 | 8 | 00908 | Fri Jan 09 00:00:00 1970 PST
|
|
909 | 509 | 00909_update9 | Sat Jan 10 00:00:00 1970 PST
|
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910 | 0 | 00910 | Sun Jan 11 00:00:00 1970 PST
|
|
911 | 1 | 00911 | Mon Jan 12 00:00:00 1970 PST
|
|
913 | 303 | 00913_update3 | Wed Jan 14 00:00:00 1970 PST
|
|
914 | 4 | 00914 | Thu Jan 15 00:00:00 1970 PST
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916 | 6 | 00916 | Sat Jan 17 00:00:00 1970 PST
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917 | 407 | 00917_update7 | Sun Jan 18 00:00:00 1970 PST
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918 | 8 | 00918 | Mon Jan 19 00:00:00 1970 PST
|
|
919 | 509 | 00919_update9 | Tue Jan 20 00:00:00 1970 PST
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920 | 0 | 00920 | Wed Jan 21 00:00:00 1970 PST
|
|
921 | 1 | 00921 | Thu Jan 22 00:00:00 1970 PST
|
|
923 | 303 | 00923_update3 | Sat Jan 24 00:00:00 1970 PST
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924 | 4 | 00924 | Sun Jan 25 00:00:00 1970 PST
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926 | 6 | 00926 | Tue Jan 27 00:00:00 1970 PST
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927 | 407 | 00927_update7 | Wed Jan 28 00:00:00 1970 PST
|
|
928 | 8 | 00928 | Thu Jan 29 00:00:00 1970 PST
|
|
929 | 509 | 00929_update9 | Fri Jan 30 00:00:00 1970 PST
|
|
930 | 0 | 00930 | Sat Jan 31 00:00:00 1970 PST
|
|
931 | 1 | 00931 | Sun Feb 01 00:00:00 1970 PST
|
|
933 | 303 | 00933_update3 | Tue Feb 03 00:00:00 1970 PST
|
|
934 | 4 | 00934 | Wed Feb 04 00:00:00 1970 PST
|
|
936 | 6 | 00936 | Fri Feb 06 00:00:00 1970 PST
|
|
937 | 407 | 00937_update7 | Sat Feb 07 00:00:00 1970 PST
|
|
938 | 8 | 00938 | Sun Feb 08 00:00:00 1970 PST
|
|
939 | 509 | 00939_update9 | Mon Feb 09 00:00:00 1970 PST
|
|
940 | 0 | 00940 | Tue Feb 10 00:00:00 1970 PST
|
|
941 | 1 | 00941 | Wed Feb 11 00:00:00 1970 PST
|
|
943 | 303 | 00943_update3 | Fri Feb 13 00:00:00 1970 PST
|
|
944 | 4 | 00944 | Sat Feb 14 00:00:00 1970 PST
|
|
946 | 6 | 00946 | Mon Feb 16 00:00:00 1970 PST
|
|
947 | 407 | 00947_update7 | Tue Feb 17 00:00:00 1970 PST
|
|
948 | 8 | 00948 | Wed Feb 18 00:00:00 1970 PST
|
|
949 | 509 | 00949_update9 | Thu Feb 19 00:00:00 1970 PST
|
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950 | 0 | 00950 | Fri Feb 20 00:00:00 1970 PST
|
|
951 | 1 | 00951 | Sat Feb 21 00:00:00 1970 PST
|
|
953 | 303 | 00953_update3 | Mon Feb 23 00:00:00 1970 PST
|
|
954 | 4 | 00954 | Tue Feb 24 00:00:00 1970 PST
|
|
956 | 6 | 00956 | Thu Feb 26 00:00:00 1970 PST
|
|
957 | 407 | 00957_update7 | Fri Feb 27 00:00:00 1970 PST
|
|
958 | 8 | 00958 | Sat Feb 28 00:00:00 1970 PST
|
|
959 | 509 | 00959_update9 | Sun Mar 01 00:00:00 1970 PST
|
|
960 | 0 | 00960 | Mon Mar 02 00:00:00 1970 PST
|
|
961 | 1 | 00961 | Tue Mar 03 00:00:00 1970 PST
|
|
963 | 303 | 00963_update3 | Thu Mar 05 00:00:00 1970 PST
|
|
964 | 4 | 00964 | Fri Mar 06 00:00:00 1970 PST
|
|
966 | 6 | 00966 | Sun Mar 08 00:00:00 1970 PST
|
|
967 | 407 | 00967_update7 | Mon Mar 09 00:00:00 1970 PST
|
|
968 | 8 | 00968 | Tue Mar 10 00:00:00 1970 PST
|
|
969 | 509 | 00969_update9 | Wed Mar 11 00:00:00 1970 PST
|
|
970 | 0 | 00970 | Thu Mar 12 00:00:00 1970 PST
|
|
971 | 1 | 00971 | Fri Mar 13 00:00:00 1970 PST
|
|
973 | 303 | 00973_update3 | Sun Mar 15 00:00:00 1970 PST
|
|
974 | 4 | 00974 | Mon Mar 16 00:00:00 1970 PST
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976 | 6 | 00976 | Wed Mar 18 00:00:00 1970 PST
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|
977 | 407 | 00977_update7 | Thu Mar 19 00:00:00 1970 PST
|
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978 | 8 | 00978 | Fri Mar 20 00:00:00 1970 PST
|
|
979 | 509 | 00979_update9 | Sat Mar 21 00:00:00 1970 PST
|
|
980 | 0 | 00980 | Sun Mar 22 00:00:00 1970 PST
|
|
981 | 1 | 00981 | Mon Mar 23 00:00:00 1970 PST
|
|
983 | 303 | 00983_update3 | Wed Mar 25 00:00:00 1970 PST
|
|
984 | 4 | 00984 | Thu Mar 26 00:00:00 1970 PST
|
|
986 | 6 | 00986 | Sat Mar 28 00:00:00 1970 PST
|
|
987 | 407 | 00987_update7 | Sun Mar 29 00:00:00 1970 PST
|
|
988 | 8 | 00988 | Mon Mar 30 00:00:00 1970 PST
|
|
989 | 509 | 00989_update9 | Tue Mar 31 00:00:00 1970 PST
|
|
990 | 0 | 00990 | Wed Apr 01 00:00:00 1970 PST
|
|
991 | 1 | 00991 | Thu Apr 02 00:00:00 1970 PST
|
|
993 | 303 | 00993_update3 | Sat Apr 04 00:00:00 1970 PST
|
|
994 | 4 | 00994 | Sun Apr 05 00:00:00 1970 PST
|
|
996 | 6 | 00996 | Tue Apr 07 00:00:00 1970 PST
|
|
997 | 407 | 00997_update7 | Wed Apr 08 00:00:00 1970 PST
|
|
998 | 8 | 00998 | Thu Apr 09 00:00:00 1970 PST
|
|
999 | 509 | 00999_update9 | Fri Apr 10 00:00:00 1970 PST
|
|
1000 | 0 | 01000 | Thu Jan 01 00:00:00 1970 PST
|
|
1001 | 101 | 0000100001 |
|
|
1003 | 403 | 0000300003_update3 |
|
|
1004 | 104 | 0000400004 |
|
|
1006 | 106 | 0000600006 |
|
|
1007 | 507 | 0000700007_update7 |
|
|
1008 | 108 | 0000800008 |
|
|
1009 | 609 | 0000900009_update9 |
|
|
1010 | 100 | 0001000010 |
|
|
1011 | 101 | 0001100011 |
|
|
1013 | 403 | 0001300013_update3 |
|
|
1014 | 104 | 0001400014 |
|
|
1016 | 106 | 0001600016 |
|
|
1017 | 507 | 0001700017_update7 |
|
|
1018 | 108 | 0001800018 |
|
|
1019 | 609 | 0001900019_update9 |
|
|
1020 | 100 | 0002000020 |
|
|
1101 | 201 | aaa |
|
|
1103 | 503 | ccc_update3 |
|
|
1104 | 204 | ddd |
|
|
(819 rows)
|
|
|
|
--nspt openGauss not have tableoid, also not support select system columns.
|
|
EXPLAIN (verbose, costs off)
|
|
INSERT INTO ft2 (c1,c2,c3) VALUES (1200,999,'foo') RETURNING tableoid::regclass;
|
|
ERROR: column "tableoid" does not exist
|
|
LINE 2: ... ft2 (c1,c2,c3) VALUES (1200,999,'foo') RETURNING tableoid::...
|
|
^
|
|
CONTEXT: referenced column: tableoid
|
|
INSERT INTO ft2 (c1,c2,c3) VALUES (1200,999,'foo') RETURNING tableoid::regclass;
|
|
ERROR: column "tableoid" does not exist
|
|
LINE 1: ... ft2 (c1,c2,c3) VALUES (1200,999,'foo') RETURNING tableoid::...
|
|
^
|
|
CONTEXT: referenced column: tableoid
|
|
EXPLAIN (verbose, costs off)
|
|
UPDATE ft2 SET c3 = 'bar' WHERE c1 = 1200 RETURNING tableoid::regclass; -- can be pushed down
|
|
ERROR: column "tableoid" does not exist
|
|
LINE 2: ...DATE ft2 SET c3 = 'bar' WHERE c1 = 1200 RETURNING tableoid::...
|
|
^
|
|
CONTEXT: referenced column: tableoid
|
|
UPDATE ft2 SET c3 = 'bar' WHERE c1 = 1200 RETURNING tableoid::regclass;
|
|
ERROR: column "tableoid" does not exist
|
|
LINE 1: ...DATE ft2 SET c3 = 'bar' WHERE c1 = 1200 RETURNING tableoid::...
|
|
^
|
|
CONTEXT: referenced column: tableoid
|
|
EXPLAIN (verbose, costs off)
|
|
DELETE FROM ft2 WHERE c1 = 1200 RETURNING tableoid::regclass; -- can be pushed down
|
|
ERROR: column "tableoid" does not exist
|
|
LINE 2: DELETE FROM ft2 WHERE c1 = 1200 RETURNING tableoid::regclass...
|
|
^
|
|
CONTEXT: referenced column: tableoid
|
|
DELETE FROM ft2 WHERE c1 = 1200 RETURNING tableoid::regclass;
|
|
ERROR: column "tableoid" does not exist
|
|
LINE 1: DELETE FROM ft2 WHERE c1 = 1200 RETURNING tableoid::regclass...
|
|
^
|
|
CONTEXT: referenced column: tableoid
|
|
-- Test UPDATE/DELETE with RETURNING on a three-table join
|
|
INSERT INTO ft2 (c1,c2,c3)
|
|
SELECT id, id - 1200, to_char(id, 'FM00000') FROM generate_series(1201, 1300) id;
|
|
EXPLAIN (verbose, costs off)
|
|
UPDATE ft2 SET c3 = 'foo'
|
|
FROM ft4 INNER JOIN ft5 ON (ft4.c1 = ft5.c1)
|
|
WHERE ft2.c1 > 1200 AND ft2.c2 = ft4.c1
|
|
RETURNING ft2, ft2.*, ft4, ft4.*; -- can be pushed down
|
|
QUERY PLAN
|
|
------------------------------------------------------------------------------------------------------------------------------------------------------------------
|
|
Update on public.ft2
|
|
Output: ft2.*, ft2.c1, ft2.c2, ft2.c3, ft2.c4, ft2.c5, ft2.c6, ft2.c7, ft2.c8, ft4.*, ft4.c1, ft4.c2, ft4.c3
|
|
-> Hash Join
|
|
Output: ft2.c1, ft2.c2, NULL::integer, 'foo'::text, ft2.c4, ft2.c5, ft2.c6, ft2.c7, ft2.c8, ft2.ctid, ft2.tableoid, ft4.*, ft5.*, ft4.c1, ft4.c2, ft4.c3
|
|
Hash Cond: (ft2.c2 = ft4.c1)
|
|
-> Foreign Scan on public.ft2
|
|
Output: ft2.c1, ft2.c2, ft2.c4, ft2.c5, ft2.c6, ft2.c7, ft2.c8, ft2.ctid, ft2.tableoid
|
|
Node ID: 1
|
|
Remote SQL: SELECT "C 1", c2, c4, c5, c6, c7, c8, ctid, tableoid FROM "S 1"."T 1" WHERE (("C 1" > 1200)) FOR UPDATE
|
|
-> Hash
|
|
Output: ft4.*, ft4.c1, ft4.c2, ft4.c3, ft5.*, ft5.c1
|
|
-> Hash Join
|
|
Output: ft4.*, ft4.c1, ft4.c2, ft4.c3, ft5.*, ft5.c1
|
|
Hash Cond: (ft4.c1 = ft5.c1)
|
|
-> Foreign Scan on public.ft4
|
|
Output: ft4.*, ft4.c1, ft4.c2, ft4.c3
|
|
Node ID: 2
|
|
Remote SQL: SELECT c1, c2, c3 FROM "S 1"."T 3"
|
|
-> Hash
|
|
Output: ft5.*, ft5.c1
|
|
-> Foreign Scan on public.ft5
|
|
Output: ft5.*, ft5.c1
|
|
Node ID: 3
|
|
Remote SQL: SELECT c1, c2, c3 FROM "S 1"."T 4"
|
|
|
|
FDW remote plans:
|
|
Node 1: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT "C 1", c2, c4, c5, c6, c7, c8, ctid, tableoid FROM "S 1"."T 1" WHERE (("C 1" > 1200)) FOR UPDATE
|
|
LockRows
|
|
Output: "C 1", c2, c4, c5, c6, c7, c8, ctid, tableoid, ctid
|
|
-> Index Scan using t1_pkey on "S 1"."T 1"
|
|
Output: "C 1", c2, c4, c5, c6, c7, c8, ctid, tableoid, ctid
|
|
Index Cond: ("T 1"."C 1" > 1200)
|
|
Node 2: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT c1, c2, c3 FROM "S 1"."T 3"
|
|
Seq Scan on "S 1"."T 3"
|
|
Output: c1, c2, c3
|
|
Node 3: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT c1, c2, c3 FROM "S 1"."T 4"
|
|
Seq Scan on "S 1"."T 4"
|
|
Output: c1, c2, c3
|
|
|
|
(39 rows)
|
|
|
|
UPDATE ft2 SET c3 = 'foo'
|
|
FROM ft4 INNER JOIN ft5 ON (ft4.c1 = ft5.c1)
|
|
WHERE ft2.c1 > 1200 AND ft2.c2 = ft4.c1
|
|
RETURNING ft2, ft2.*, ft4, ft4.*;
|
|
ft2 | c1 | c2 | c3 | c4 | c5 | c6 | c7 | c8 | ft4 | c1 | c2 | c3
|
|
--------------------------------+------+----+-----+----+----+----+------------+----+----------------+----+----+--------
|
|
(1206,6,foo,,,,"ft2 ",) | 1206 | 6 | foo | | | | ft2 | | (6,7,AAA006) | 6 | 7 | AAA006
|
|
(1212,12,foo,,,,"ft2 ",) | 1212 | 12 | foo | | | | ft2 | | (12,13,AAA012) | 12 | 13 | AAA012
|
|
(1218,18,foo,,,,"ft2 ",) | 1218 | 18 | foo | | | | ft2 | | (18,19,AAA018) | 18 | 19 | AAA018
|
|
(1224,24,foo,,,,"ft2 ",) | 1224 | 24 | foo | | | | ft2 | | (24,25,AAA024) | 24 | 25 | AAA024
|
|
(1230,30,foo,,,,"ft2 ",) | 1230 | 30 | foo | | | | ft2 | | (30,31,AAA030) | 30 | 31 | AAA030
|
|
(1236,36,foo,,,,"ft2 ",) | 1236 | 36 | foo | | | | ft2 | | (36,37,AAA036) | 36 | 37 | AAA036
|
|
(1242,42,foo,,,,"ft2 ",) | 1242 | 42 | foo | | | | ft2 | | (42,43,AAA042) | 42 | 43 | AAA042
|
|
(1248,48,foo,,,,"ft2 ",) | 1248 | 48 | foo | | | | ft2 | | (48,49,AAA048) | 48 | 49 | AAA048
|
|
(1254,54,foo,,,,"ft2 ",) | 1254 | 54 | foo | | | | ft2 | | (54,55,AAA054) | 54 | 55 | AAA054
|
|
(1260,60,foo,,,,"ft2 ",) | 1260 | 60 | foo | | | | ft2 | | (60,61,AAA060) | 60 | 61 | AAA060
|
|
(1266,66,foo,,,,"ft2 ",) | 1266 | 66 | foo | | | | ft2 | | (66,67,AAA066) | 66 | 67 | AAA066
|
|
(1272,72,foo,,,,"ft2 ",) | 1272 | 72 | foo | | | | ft2 | | (72,73,AAA072) | 72 | 73 | AAA072
|
|
(1278,78,foo,,,,"ft2 ",) | 1278 | 78 | foo | | | | ft2 | | (78,79,AAA078) | 78 | 79 | AAA078
|
|
(1284,84,foo,,,,"ft2 ",) | 1284 | 84 | foo | | | | ft2 | | (84,85,AAA084) | 84 | 85 | AAA084
|
|
(1290,90,foo,,,,"ft2 ",) | 1290 | 90 | foo | | | | ft2 | | (90,91,AAA090) | 90 | 91 | AAA090
|
|
(1296,96,foo,,,,"ft2 ",) | 1296 | 96 | foo | | | | ft2 | | (96,97,AAA096) | 96 | 97 | AAA096
|
|
(16 rows)
|
|
|
|
EXPLAIN (verbose, costs off)
|
|
DELETE FROM ft2
|
|
USING ft4 LEFT JOIN ft5 ON (ft4.c1 = ft5.c1)
|
|
WHERE ft2.c1 > 1200 AND ft2.c1 % 10 = 0 AND ft2.c2 = ft4.c1
|
|
RETURNING 100; -- can be pushed down
|
|
QUERY PLAN
|
|
------------------------------------------------------------------------------------------------------------------------------------------------
|
|
Delete on public.ft2
|
|
Output: 100
|
|
-> Nested Loop Left Join
|
|
Output: ft2.ctid, ft2.tableoid, ft4.*, ft5.*
|
|
Join Filter: (ft4.c1 = ft5.c1)
|
|
-> Nested Loop
|
|
Output: ft2.ctid, ft2.tableoid, ft4.*, ft4.c1
|
|
Join Filter: (ft2.c2 = ft4.c1)
|
|
-> Foreign Scan on public.ft2
|
|
Output: ft2.ctid, ft2.tableoid, ft2.c2
|
|
Node ID: 1
|
|
Remote SQL: SELECT c2, ctid, tableoid FROM "S 1"."T 1" WHERE (("C 1" > 1200)) AND ((("C 1" % 10) = 0)) FOR UPDATE
|
|
-> Foreign Scan on public.ft4
|
|
Output: ft4.*, ft4.c1
|
|
Node ID: 2
|
|
Remote SQL: SELECT c1, c2, c3 FROM "S 1"."T 3"
|
|
-> Foreign Scan on public.ft5
|
|
Output: ft5.*, ft5.c1
|
|
Node ID: 3
|
|
Remote SQL: SELECT c1, c2, c3 FROM "S 1"."T 4"
|
|
|
|
FDW remote plans:
|
|
Node 1: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT c2, ctid, tableoid FROM "S 1"."T 1" WHERE (("C 1" > 1200)) AND ((("C 1" % 10) = 0)) FOR UPDATE
|
|
LockRows
|
|
Output: c2, ctid, tableoid, ctid
|
|
-> Index Scan using t1_pkey on "S 1"."T 1"
|
|
Output: c2, ctid, tableoid, ctid
|
|
Index Cond: ("T 1"."C 1" > 1200)
|
|
Filter: (("T 1"."C 1" % 10) = 0)
|
|
Node 2: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT c1, c2, c3 FROM "S 1"."T 3"
|
|
Seq Scan on "S 1"."T 3"
|
|
Output: c1, c2, c3
|
|
Node 3: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT c1, c2, c3 FROM "S 1"."T 4"
|
|
Seq Scan on "S 1"."T 4"
|
|
Output: c1, c2, c3
|
|
|
|
(36 rows)
|
|
|
|
DELETE FROM ft2
|
|
USING ft4 LEFT JOIN ft5 ON (ft4.c1 = ft5.c1)
|
|
WHERE ft2.c1 > 1200 AND ft2.c1 % 10 = 0 AND ft2.c2 = ft4.c1
|
|
RETURNING 100;
|
|
?column?
|
|
----------
|
|
100
|
|
100
|
|
100
|
|
100
|
|
100
|
|
100
|
|
100
|
|
100
|
|
100
|
|
100
|
|
(10 rows)
|
|
|
|
DELETE FROM ft2 WHERE ft2.c1 > 1200;
|
|
-- Test UPDATE with a MULTIEXPR sub-select
|
|
-- (maybe someday this'll be remotely executable, but not today)
|
|
EXPLAIN (verbose, costs off)
|
|
UPDATE ft2 AS target SET (c2, c7) = (
|
|
SELECT c2 * 10, c7
|
|
FROM ft2 AS src
|
|
WHERE target.c1 = src.c1
|
|
) WHERE c1 > 1100;
|
|
QUERY PLAN
|
|
---------------------------------------------------------------------------------------------------------------------------------------------------------
|
|
Update on public.ft2 target
|
|
-> Foreign Scan on public.ft2 target
|
|
Output: target.c1, (SubPlan 1), NULL::integer, target.c3, target.c4, target.c5, target.c6, (SubPlan 2), target.c8, target.ctid, target.tableoid
|
|
Node ID: 1
|
|
Remote SQL: SELECT "C 1", c3, c4, c5, c6, c8, ctid, tableoid FROM "S 1"."T 1" WHERE (("C 1" > 1100)) FOR UPDATE
|
|
SubPlan 1
|
|
-> Foreign Scan on public.ft2 src
|
|
Output: (src.c2 * 10)
|
|
Node ID: 2
|
|
Remote SQL: SELECT c2 FROM "S 1"."T 1" WHERE (($1::integer = "C 1"))
|
|
SubPlan 2
|
|
-> Foreign Scan on public.ft2 src
|
|
Output: src.c7
|
|
Node ID: 3
|
|
Remote SQL: SELECT c7 FROM "S 1"."T 1" WHERE (($1::integer = "C 1"))
|
|
|
|
FDW remote plans:
|
|
Node 1: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT "C 1", c3, c4, c5, c6, c8, ctid, tableoid FROM "S 1"."T 1" WHERE (("C 1" > 1100)) FOR UPDATE
|
|
LockRows
|
|
Output: "C 1", c3, c4, c5, c6, c8, ctid, tableoid, ctid
|
|
-> Index Scan using t1_pkey on "S 1"."T 1"
|
|
Output: "C 1", c3, c4, c5, c6, c8, ctid, tableoid, ctid
|
|
Index Cond: ("T 1"."C 1" > 1100)
|
|
Node 2: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT c2 FROM "S 1"."T 1" WHERE (($1::integer = "C 1"))
|
|
failed to get remote plan, error massage is:
|
|
there is no parameter $1
|
|
Node 3: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT c7 FROM "S 1"."T 1" WHERE (($1::integer = "C 1"))
|
|
failed to get remote plan, error massage is:
|
|
current transaction is aborted, commands ignored until end of transaction block, firstChar[Q]
|
|
|
|
(30 rows)
|
|
|
|
UPDATE ft2 AS target SET (c2, c7) = (
|
|
SELECT c2 * 10, c7
|
|
FROM ft2 AS src
|
|
WHERE target.c1 = src.c1
|
|
) WHERE c1 > 1100;
|
|
UPDATE ft2 AS target SET (c2) = (
|
|
SELECT c2 / 10
|
|
FROM ft2 AS src
|
|
WHERE target.c1 = src.c1
|
|
) WHERE c1 > 1100;
|
|
-- Test UPDATE involving a join that can be pushed down,
|
|
-- but a SET clause that can't be
|
|
EXPLAIN (VERBOSE, COSTS OFF)
|
|
UPDATE ft2 d SET c2 = CASE WHEN random() >= 0 THEN d.c2 ELSE 0 END
|
|
FROM ft2 AS t WHERE d.c1 = t.c1 AND d.c1 > 1000;
|
|
QUERY PLAN
|
|
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
|
|
Update on public.ft2 d
|
|
-> Merge Join
|
|
Output: d.c1, CASE WHEN (random() >= 0::double precision) THEN d.c2 ELSE 0 END, NULL::integer, d.c3, d.c4, d.c5, d.c6, d.c7, d.c8, d.ctid, d.tableoid, t.*
|
|
Merge Cond: (d.c1 = t.c1)
|
|
-> Foreign Scan on public.ft2 d
|
|
Output: d.c1, d.c2, d.c3, d.c4, d.c5, d.c6, d.c7, d.c8, d.ctid, d.tableoid
|
|
Node ID: 1
|
|
Remote SQL: SELECT "C 1", c2, c3, c4, c5, c6, c7, c8, ctid, tableoid FROM "S 1"."T 1" WHERE (("C 1" > 1000)) ORDER BY "C 1" ASC NULLS LAST FOR UPDATE
|
|
-> Materialize
|
|
Output: t.*, t.c1
|
|
-> Foreign Scan on public.ft2 t
|
|
Output: t.*, t.c1
|
|
Node ID: 2
|
|
Remote SQL: SELECT "C 1", c2, c3, c4, c5, c6, c7, c8 FROM "S 1"."T 1" WHERE (("C 1" > 1000)) ORDER BY "C 1" ASC NULLS LAST
|
|
|
|
FDW remote plans:
|
|
Node 1: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT "C 1", c2, c3, c4, c5, c6, c7, c8, ctid, tableoid FROM "S 1"."T 1" WHERE (("C 1" > 1000)) ORDER BY "C 1" ASC NULLS LAST FOR UPDATE
|
|
LockRows
|
|
Output: "C 1", c2, c3, c4, c5, c6, c7, c8, ctid, tableoid, ctid
|
|
-> Index Scan using t1_pkey on "S 1"."T 1"
|
|
Output: "C 1", c2, c3, c4, c5, c6, c7, c8, ctid, tableoid, ctid
|
|
Index Cond: ("T 1"."C 1" > 1000)
|
|
Node 2: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT "C 1", c2, c3, c4, c5, c6, c7, c8 FROM "S 1"."T 1" WHERE (("C 1" > 1000)) ORDER BY "C 1" ASC NULLS LAST
|
|
[Bypass]
|
|
Index Scan using t1_pkey on "S 1"."T 1"
|
|
Output: "C 1", c2, c3, c4, c5, c6, c7, c8
|
|
Index Cond: ("T 1"."C 1" > 1000)
|
|
|
|
(28 rows)
|
|
|
|
UPDATE ft2 d SET c2 = CASE WHEN random() >= 0 THEN d.c2 ELSE 0 END
|
|
FROM ft2 AS t WHERE d.c1 = t.c1 AND d.c1 > 1000;
|
|
-- Test UPDATE/DELETE with WHERE or JOIN/ON conditions containing
|
|
-- user-defined operators/functions
|
|
ALTER SERVER loopback OPTIONS (DROP extensions);
|
|
ERROR: option "extensions" not found
|
|
INSERT INTO ft2 (c1,c2,c3)
|
|
SELECT id, id % 10, to_char(id, 'FM00000') FROM generate_series(2001, 2010) id;
|
|
EXPLAIN (verbose, costs off)
|
|
UPDATE ft2 SET c3 = 'bar' WHERE postgres_fdw_abs(c1) > 2000 RETURNING *; -- can't be pushed down
|
|
QUERY PLAN
|
|
---------------------------------------------------------------------------------------------------------------------------
|
|
Update on public.ft2
|
|
Output: c1, c2, c3, c4, c5, c6, c7, c8
|
|
-> Foreign Scan on public.ft2
|
|
Output: c1, c2, NULL::integer, 'bar'::text, c4, c5, c6, c7, c8, ctid, tableoid
|
|
Filter: (postgres_fdw_abs(ft2.c1) > 2000)
|
|
Node ID: 1
|
|
Remote SQL: SELECT "C 1", c2, c4, c5, c6, c7, c8, ctid, tableoid FROM "S 1"."T 1" FOR UPDATE
|
|
|
|
FDW remote plans:
|
|
Node 1: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT "C 1", c2, c4, c5, c6, c7, c8, ctid, tableoid FROM "S 1"."T 1" FOR UPDATE
|
|
LockRows
|
|
Output: "C 1", c2, c4, c5, c6, c7, c8, ctid, tableoid, ctid
|
|
-> Seq Scan on "S 1"."T 1"
|
|
Output: "C 1", c2, c4, c5, c6, c7, c8, ctid, tableoid, ctid
|
|
|
|
(15 rows)
|
|
|
|
UPDATE ft2 SET c3 = 'bar' WHERE postgres_fdw_abs(c1) > 2000 RETURNING *;
|
|
c1 | c2 | c3 | c4 | c5 | c6 | c7 | c8
|
|
------+----+-----+----+----+----+------------+----
|
|
2001 | 1 | bar | | | | ft2 |
|
|
2002 | 2 | bar | | | | ft2 |
|
|
2003 | 3 | bar | | | | ft2 |
|
|
2004 | 4 | bar | | | | ft2 |
|
|
2005 | 5 | bar | | | | ft2 |
|
|
2006 | 6 | bar | | | | ft2 |
|
|
2007 | 7 | bar | | | | ft2 |
|
|
2008 | 8 | bar | | | | ft2 |
|
|
2009 | 9 | bar | | | | ft2 |
|
|
2010 | 0 | bar | | | | ft2 |
|
|
(10 rows)
|
|
|
|
EXPLAIN (verbose, costs off)
|
|
UPDATE ft2 SET c3 = 'baz'
|
|
FROM ft4 INNER JOIN ft5 ON (ft4.c1 = ft5.c1)
|
|
WHERE ft2.c1 > 2000 AND ft2.c2 === ft4.c1
|
|
RETURNING ft2.*, ft4.*, ft5.*; -- can't be pushed down
|
|
QUERY PLAN
|
|
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
|
|
Update on public.ft2
|
|
Output: ft2.c1, ft2.c2, ft2.c3, ft2.c4, ft2.c5, ft2.c6, ft2.c7, ft2.c8, ft4.c1, ft4.c2, ft4.c3, ft5.c1, ft5.c2, ft5.c3
|
|
-> Hash Join
|
|
Output: ft2.c1, ft2.c2, NULL::integer, 'baz'::text, ft2.c4, ft2.c5, ft2.c6, ft2.c7, ft2.c8, ft2.ctid, ft2.tableoid, ft4.*, ft5.*, ft4.c1, ft4.c2, ft4.c3, ft5.c1, ft5.c2, ft5.c3
|
|
Hash Cond: (ft4.c1 = ft5.c1)
|
|
-> Nested Loop
|
|
Output: ft2.c1, ft2.c2, ft2.c4, ft2.c5, ft2.c6, ft2.c7, ft2.c8, ft2.ctid, ft2.tableoid, ft4.*, ft4.c1, ft4.c2, ft4.c3
|
|
Join Filter: (ft2.c2 === ft4.c1)
|
|
-> Foreign Scan on public.ft2
|
|
Output: ft2.c1, ft2.c2, ft2.c4, ft2.c5, ft2.c6, ft2.c7, ft2.c8, ft2.ctid, ft2.tableoid
|
|
Node ID: 1
|
|
Remote SQL: SELECT "C 1", c2, c4, c5, c6, c7, c8, ctid, tableoid FROM "S 1"."T 1" WHERE (("C 1" > 2000)) FOR UPDATE
|
|
-> Foreign Scan on public.ft4
|
|
Output: ft4.*, ft4.c1, ft4.c2, ft4.c3
|
|
Node ID: 2
|
|
Remote SQL: SELECT c1, c2, c3 FROM "S 1"."T 3"
|
|
-> Hash
|
|
Output: ft5.*, ft5.c1, ft5.c2, ft5.c3
|
|
-> Foreign Scan on public.ft5
|
|
Output: ft5.*, ft5.c1, ft5.c2, ft5.c3
|
|
Node ID: 3
|
|
Remote SQL: SELECT c1, c2, c3 FROM "S 1"."T 4"
|
|
|
|
FDW remote plans:
|
|
Node 1: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT "C 1", c2, c4, c5, c6, c7, c8, ctid, tableoid FROM "S 1"."T 1" WHERE (("C 1" > 2000)) FOR UPDATE
|
|
LockRows
|
|
Output: "C 1", c2, c4, c5, c6, c7, c8, ctid, tableoid, ctid
|
|
-> Index Scan using t1_pkey on "S 1"."T 1"
|
|
Output: "C 1", c2, c4, c5, c6, c7, c8, ctid, tableoid, ctid
|
|
Index Cond: ("T 1"."C 1" > 2000)
|
|
Node 2: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT c1, c2, c3 FROM "S 1"."T 3"
|
|
Seq Scan on "S 1"."T 3"
|
|
Output: c1, c2, c3
|
|
Node 3: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT c1, c2, c3 FROM "S 1"."T 4"
|
|
Seq Scan on "S 1"."T 4"
|
|
Output: c1, c2, c3
|
|
|
|
(37 rows)
|
|
|
|
UPDATE ft2 SET c3 = 'baz'
|
|
FROM ft4 INNER JOIN ft5 ON (ft4.c1 = ft5.c1)
|
|
WHERE ft2.c1 > 2000 AND ft2.c2 === ft4.c1
|
|
RETURNING ft2.*, ft4.*, ft5.*;
|
|
c1 | c2 | c3 | c4 | c5 | c6 | c7 | c8 | c1 | c2 | c3 | c1 | c2 | c3
|
|
------+----+-----+----+----+----+------------+----+----+----+--------+----+----+--------
|
|
2006 | 6 | baz | | | | ft2 | | 6 | 7 | AAA006 | 6 | 7 | AAA006
|
|
(1 row)
|
|
|
|
EXPLAIN (verbose, costs off)
|
|
DELETE FROM ft2
|
|
USING ft4 INNER JOIN ft5 ON (ft4.c1 === ft5.c1)
|
|
WHERE ft2.c1 > 2000 AND ft2.c2 = ft4.c1
|
|
RETURNING ft2.c1, ft2.c2, ft2.c3; -- can't be pushed down
|
|
QUERY PLAN
|
|
-----------------------------------------------------------------------------------------------------------------------
|
|
Delete on public.ft2
|
|
Output: ft2.c1, ft2.c2, ft2.c3
|
|
-> Nested Loop
|
|
Output: ft2.ctid, ft2.tableoid, ft4.*, ft5.*
|
|
Join Filter: (ft4.c1 === ft5.c1)
|
|
-> Nested Loop
|
|
Output: ft2.ctid, ft2.tableoid, ft4.*, ft4.c1
|
|
Join Filter: (ft2.c2 = ft4.c1)
|
|
-> Foreign Scan on public.ft2
|
|
Output: ft2.ctid, ft2.tableoid, ft2.c2
|
|
Node ID: 1
|
|
Remote SQL: SELECT c2, ctid, tableoid FROM "S 1"."T 1" WHERE (("C 1" > 2000)) FOR UPDATE
|
|
-> Foreign Scan on public.ft4
|
|
Output: ft4.*, ft4.c1
|
|
Node ID: 2
|
|
Remote SQL: SELECT c1, c2, c3 FROM "S 1"."T 3"
|
|
-> Foreign Scan on public.ft5
|
|
Output: ft5.*, ft5.c1
|
|
Node ID: 3
|
|
Remote SQL: SELECT c1, c2, c3 FROM "S 1"."T 4"
|
|
|
|
FDW remote plans:
|
|
Node 1: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT c2, ctid, tableoid FROM "S 1"."T 1" WHERE (("C 1" > 2000)) FOR UPDATE
|
|
LockRows
|
|
Output: c2, ctid, tableoid, ctid
|
|
-> Index Scan using t1_pkey on "S 1"."T 1"
|
|
Output: c2, ctid, tableoid, ctid
|
|
Index Cond: ("T 1"."C 1" > 2000)
|
|
Node 2: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT c1, c2, c3 FROM "S 1"."T 3"
|
|
Seq Scan on "S 1"."T 3"
|
|
Output: c1, c2, c3
|
|
Node 3: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT c1, c2, c3 FROM "S 1"."T 4"
|
|
Seq Scan on "S 1"."T 4"
|
|
Output: c1, c2, c3
|
|
|
|
(35 rows)
|
|
|
|
DELETE FROM ft2
|
|
USING ft4 INNER JOIN ft5 ON (ft4.c1 === ft5.c1)
|
|
WHERE ft2.c1 > 2000 AND ft2.c2 = ft4.c1
|
|
RETURNING ft2.c1, ft2.c2, ft2.c3;
|
|
c1 | c2 | c3
|
|
------+----+-----
|
|
2006 | 6 | baz
|
|
(1 row)
|
|
|
|
DELETE FROM ft2 WHERE ft2.c1 > 2000;
|
|
ALTER SERVER loopback OPTIONS (ADD extensions 'postgres_fdw');
|
|
ERROR: invalid option "extensions"
|
|
HINT: Valid options in this context are: service, connect_timeout, dbname, host, remote_nodename, hostaddr, port, localhost, localport, application_name, fencedUdfRPCMode, keepalives, keepalives_idle, keepalives_interval, keepalives_count, tcp_user_timeout, rw_timeout, sslmode, sslcompression, sslcert, sslkey, sslrootcert, sslcrl, requirepeer, krbsrvname, prototype, connection_info, connectionExtraInfo, target_session_attrs, use_remote_estimate, fdw_startup_cost, fdw_tuple_cost, updatable
|
|
-- Test that trigger on remote table works as expected
|
|
CREATE OR REPLACE FUNCTION "S 1".F_BRTRIG() RETURNS trigger AS $$
|
|
BEGIN
|
|
NEW.c3 = NEW.c3 || '_trig_update';
|
|
RETURN NEW;
|
|
END;
|
|
$$ LANGUAGE plpgsql;
|
|
CREATE TRIGGER t1_br_insert BEFORE INSERT OR UPDATE
|
|
ON "S 1"."T 1" FOR EACH ROW EXECUTE PROCEDURE "S 1".F_BRTRIG();
|
|
INSERT INTO ft2 (c1,c2,c3) VALUES (1208, 818, 'fff') RETURNING *;
|
|
c1 | c2 | c3 | c4 | c5 | c6 | c7 | c8
|
|
------+-----+-----------------+----+----+----+------------+----
|
|
1208 | 818 | fff_trig_update | | | | ft2 |
|
|
(1 row)
|
|
|
|
INSERT INTO ft2 (c1,c2,c3,c6) VALUES (1218, 818, 'ggg', '(--;') RETURNING *;
|
|
c1 | c2 | c3 | c4 | c5 | c6 | c7 | c8
|
|
------+-----+-----------------+----+----+------+------------+----
|
|
1218 | 818 | ggg_trig_update | | | (--; | ft2 |
|
|
(1 row)
|
|
|
|
UPDATE ft2 SET c2 = c2 + 600 WHERE c1 % 10 = 8 AND c1 < 1200 RETURNING *;
|
|
c1 | c2 | c3 | c4 | c5 | c6 | c7 | c8
|
|
------+-----+------------------------+------------------------------+--------------------------+----+------------+-----
|
|
8 | 608 | 00008_trig_update | Fri Jan 09 00:00:00 1970 PST | Fri Jan 09 00:00:00 1970 | 8 | 8 | foo
|
|
18 | 608 | 00018_trig_update | Mon Jan 19 00:00:00 1970 PST | Mon Jan 19 00:00:00 1970 | 8 | 8 | foo
|
|
28 | 608 | 00028_trig_update | Thu Jan 29 00:00:00 1970 PST | Thu Jan 29 00:00:00 1970 | 8 | 8 | foo
|
|
38 | 608 | 00038_trig_update | Sun Feb 08 00:00:00 1970 PST | Sun Feb 08 00:00:00 1970 | 8 | 8 | foo
|
|
48 | 608 | 00048_trig_update | Wed Feb 18 00:00:00 1970 PST | Wed Feb 18 00:00:00 1970 | 8 | 8 | foo
|
|
58 | 608 | 00058_trig_update | Sat Feb 28 00:00:00 1970 PST | Sat Feb 28 00:00:00 1970 | 8 | 8 | foo
|
|
68 | 608 | 00068_trig_update | Tue Mar 10 00:00:00 1970 PST | Tue Mar 10 00:00:00 1970 | 8 | 8 | foo
|
|
78 | 608 | 00078_trig_update | Fri Mar 20 00:00:00 1970 PST | Fri Mar 20 00:00:00 1970 | 8 | 8 | foo
|
|
88 | 608 | 00088_trig_update | Mon Mar 30 00:00:00 1970 PST | Mon Mar 30 00:00:00 1970 | 8 | 8 | foo
|
|
98 | 608 | 00098_trig_update | Thu Apr 09 00:00:00 1970 PST | Thu Apr 09 00:00:00 1970 | 8 | 8 | foo
|
|
108 | 608 | 00108_trig_update | Fri Jan 09 00:00:00 1970 PST | Fri Jan 09 00:00:00 1970 | 8 | 8 | foo
|
|
118 | 608 | 00118_trig_update | Mon Jan 19 00:00:00 1970 PST | Mon Jan 19 00:00:00 1970 | 8 | 8 | foo
|
|
128 | 608 | 00128_trig_update | Thu Jan 29 00:00:00 1970 PST | Thu Jan 29 00:00:00 1970 | 8 | 8 | foo
|
|
138 | 608 | 00138_trig_update | Sun Feb 08 00:00:00 1970 PST | Sun Feb 08 00:00:00 1970 | 8 | 8 | foo
|
|
148 | 608 | 00148_trig_update | Wed Feb 18 00:00:00 1970 PST | Wed Feb 18 00:00:00 1970 | 8 | 8 | foo
|
|
158 | 608 | 00158_trig_update | Sat Feb 28 00:00:00 1970 PST | Sat Feb 28 00:00:00 1970 | 8 | 8 | foo
|
|
168 | 608 | 00168_trig_update | Tue Mar 10 00:00:00 1970 PST | Tue Mar 10 00:00:00 1970 | 8 | 8 | foo
|
|
178 | 608 | 00178_trig_update | Fri Mar 20 00:00:00 1970 PST | Fri Mar 20 00:00:00 1970 | 8 | 8 | foo
|
|
188 | 608 | 00188_trig_update | Mon Mar 30 00:00:00 1970 PST | Mon Mar 30 00:00:00 1970 | 8 | 8 | foo
|
|
198 | 608 | 00198_trig_update | Thu Apr 09 00:00:00 1970 PST | Thu Apr 09 00:00:00 1970 | 8 | 8 | foo
|
|
208 | 608 | 00208_trig_update | Fri Jan 09 00:00:00 1970 PST | Fri Jan 09 00:00:00 1970 | 8 | 8 | foo
|
|
218 | 608 | 00218_trig_update | Mon Jan 19 00:00:00 1970 PST | Mon Jan 19 00:00:00 1970 | 8 | 8 | foo
|
|
228 | 608 | 00228_trig_update | Thu Jan 29 00:00:00 1970 PST | Thu Jan 29 00:00:00 1970 | 8 | 8 | foo
|
|
238 | 608 | 00238_trig_update | Sun Feb 08 00:00:00 1970 PST | Sun Feb 08 00:00:00 1970 | 8 | 8 | foo
|
|
248 | 608 | 00248_trig_update | Wed Feb 18 00:00:00 1970 PST | Wed Feb 18 00:00:00 1970 | 8 | 8 | foo
|
|
258 | 608 | 00258_trig_update | Sat Feb 28 00:00:00 1970 PST | Sat Feb 28 00:00:00 1970 | 8 | 8 | foo
|
|
268 | 608 | 00268_trig_update | Tue Mar 10 00:00:00 1970 PST | Tue Mar 10 00:00:00 1970 | 8 | 8 | foo
|
|
278 | 608 | 00278_trig_update | Fri Mar 20 00:00:00 1970 PST | Fri Mar 20 00:00:00 1970 | 8 | 8 | foo
|
|
288 | 608 | 00288_trig_update | Mon Mar 30 00:00:00 1970 PST | Mon Mar 30 00:00:00 1970 | 8 | 8 | foo
|
|
298 | 608 | 00298_trig_update | Thu Apr 09 00:00:00 1970 PST | Thu Apr 09 00:00:00 1970 | 8 | 8 | foo
|
|
308 | 608 | 00308_trig_update | Fri Jan 09 00:00:00 1970 PST | Fri Jan 09 00:00:00 1970 | 8 | 8 | foo
|
|
318 | 608 | 00318_trig_update | Mon Jan 19 00:00:00 1970 PST | Mon Jan 19 00:00:00 1970 | 8 | 8 | foo
|
|
328 | 608 | 00328_trig_update | Thu Jan 29 00:00:00 1970 PST | Thu Jan 29 00:00:00 1970 | 8 | 8 | foo
|
|
338 | 608 | 00338_trig_update | Sun Feb 08 00:00:00 1970 PST | Sun Feb 08 00:00:00 1970 | 8 | 8 | foo
|
|
348 | 608 | 00348_trig_update | Wed Feb 18 00:00:00 1970 PST | Wed Feb 18 00:00:00 1970 | 8 | 8 | foo
|
|
358 | 608 | 00358_trig_update | Sat Feb 28 00:00:00 1970 PST | Sat Feb 28 00:00:00 1970 | 8 | 8 | foo
|
|
368 | 608 | 00368_trig_update | Tue Mar 10 00:00:00 1970 PST | Tue Mar 10 00:00:00 1970 | 8 | 8 | foo
|
|
378 | 608 | 00378_trig_update | Fri Mar 20 00:00:00 1970 PST | Fri Mar 20 00:00:00 1970 | 8 | 8 | foo
|
|
388 | 608 | 00388_trig_update | Mon Mar 30 00:00:00 1970 PST | Mon Mar 30 00:00:00 1970 | 8 | 8 | foo
|
|
398 | 608 | 00398_trig_update | Thu Apr 09 00:00:00 1970 PST | Thu Apr 09 00:00:00 1970 | 8 | 8 | foo
|
|
408 | 608 | 00408_trig_update | Fri Jan 09 00:00:00 1970 PST | Fri Jan 09 00:00:00 1970 | 8 | 8 | foo
|
|
418 | 608 | 00418_trig_update | Mon Jan 19 00:00:00 1970 PST | Mon Jan 19 00:00:00 1970 | 8 | 8 | foo
|
|
428 | 608 | 00428_trig_update | Thu Jan 29 00:00:00 1970 PST | Thu Jan 29 00:00:00 1970 | 8 | 8 | foo
|
|
438 | 608 | 00438_trig_update | Sun Feb 08 00:00:00 1970 PST | Sun Feb 08 00:00:00 1970 | 8 | 8 | foo
|
|
448 | 608 | 00448_trig_update | Wed Feb 18 00:00:00 1970 PST | Wed Feb 18 00:00:00 1970 | 8 | 8 | foo
|
|
458 | 608 | 00458_trig_update | Sat Feb 28 00:00:00 1970 PST | Sat Feb 28 00:00:00 1970 | 8 | 8 | foo
|
|
468 | 608 | 00468_trig_update | Tue Mar 10 00:00:00 1970 PST | Tue Mar 10 00:00:00 1970 | 8 | 8 | foo
|
|
478 | 608 | 00478_trig_update | Fri Mar 20 00:00:00 1970 PST | Fri Mar 20 00:00:00 1970 | 8 | 8 | foo
|
|
488 | 608 | 00488_trig_update | Mon Mar 30 00:00:00 1970 PST | Mon Mar 30 00:00:00 1970 | 8 | 8 | foo
|
|
498 | 608 | 00498_trig_update | Thu Apr 09 00:00:00 1970 PST | Thu Apr 09 00:00:00 1970 | 8 | 8 | foo
|
|
508 | 608 | 00508_trig_update | Fri Jan 09 00:00:00 1970 PST | Fri Jan 09 00:00:00 1970 | 8 | 8 | foo
|
|
518 | 608 | 00518_trig_update | Mon Jan 19 00:00:00 1970 PST | Mon Jan 19 00:00:00 1970 | 8 | 8 | foo
|
|
528 | 608 | 00528_trig_update | Thu Jan 29 00:00:00 1970 PST | Thu Jan 29 00:00:00 1970 | 8 | 8 | foo
|
|
538 | 608 | 00538_trig_update | Sun Feb 08 00:00:00 1970 PST | Sun Feb 08 00:00:00 1970 | 8 | 8 | foo
|
|
548 | 608 | 00548_trig_update | Wed Feb 18 00:00:00 1970 PST | Wed Feb 18 00:00:00 1970 | 8 | 8 | foo
|
|
558 | 608 | 00558_trig_update | Sat Feb 28 00:00:00 1970 PST | Sat Feb 28 00:00:00 1970 | 8 | 8 | foo
|
|
568 | 608 | 00568_trig_update | Tue Mar 10 00:00:00 1970 PST | Tue Mar 10 00:00:00 1970 | 8 | 8 | foo
|
|
578 | 608 | 00578_trig_update | Fri Mar 20 00:00:00 1970 PST | Fri Mar 20 00:00:00 1970 | 8 | 8 | foo
|
|
588 | 608 | 00588_trig_update | Mon Mar 30 00:00:00 1970 PST | Mon Mar 30 00:00:00 1970 | 8 | 8 | foo
|
|
598 | 608 | 00598_trig_update | Thu Apr 09 00:00:00 1970 PST | Thu Apr 09 00:00:00 1970 | 8 | 8 | foo
|
|
608 | 608 | 00608_trig_update | Fri Jan 09 00:00:00 1970 PST | Fri Jan 09 00:00:00 1970 | 8 | 8 | foo
|
|
618 | 608 | 00618_trig_update | Mon Jan 19 00:00:00 1970 PST | Mon Jan 19 00:00:00 1970 | 8 | 8 | foo
|
|
628 | 608 | 00628_trig_update | Thu Jan 29 00:00:00 1970 PST | Thu Jan 29 00:00:00 1970 | 8 | 8 | foo
|
|
638 | 608 | 00638_trig_update | Sun Feb 08 00:00:00 1970 PST | Sun Feb 08 00:00:00 1970 | 8 | 8 | foo
|
|
648 | 608 | 00648_trig_update | Wed Feb 18 00:00:00 1970 PST | Wed Feb 18 00:00:00 1970 | 8 | 8 | foo
|
|
658 | 608 | 00658_trig_update | Sat Feb 28 00:00:00 1970 PST | Sat Feb 28 00:00:00 1970 | 8 | 8 | foo
|
|
668 | 608 | 00668_trig_update | Tue Mar 10 00:00:00 1970 PST | Tue Mar 10 00:00:00 1970 | 8 | 8 | foo
|
|
678 | 608 | 00678_trig_update | Fri Mar 20 00:00:00 1970 PST | Fri Mar 20 00:00:00 1970 | 8 | 8 | foo
|
|
688 | 608 | 00688_trig_update | Mon Mar 30 00:00:00 1970 PST | Mon Mar 30 00:00:00 1970 | 8 | 8 | foo
|
|
698 | 608 | 00698_trig_update | Thu Apr 09 00:00:00 1970 PST | Thu Apr 09 00:00:00 1970 | 8 | 8 | foo
|
|
708 | 608 | 00708_trig_update | Fri Jan 09 00:00:00 1970 PST | Fri Jan 09 00:00:00 1970 | 8 | 8 | foo
|
|
718 | 608 | 00718_trig_update | Mon Jan 19 00:00:00 1970 PST | Mon Jan 19 00:00:00 1970 | 8 | 8 | foo
|
|
728 | 608 | 00728_trig_update | Thu Jan 29 00:00:00 1970 PST | Thu Jan 29 00:00:00 1970 | 8 | 8 | foo
|
|
738 | 608 | 00738_trig_update | Sun Feb 08 00:00:00 1970 PST | Sun Feb 08 00:00:00 1970 | 8 | 8 | foo
|
|
748 | 608 | 00748_trig_update | Wed Feb 18 00:00:00 1970 PST | Wed Feb 18 00:00:00 1970 | 8 | 8 | foo
|
|
758 | 608 | 00758_trig_update | Sat Feb 28 00:00:00 1970 PST | Sat Feb 28 00:00:00 1970 | 8 | 8 | foo
|
|
768 | 608 | 00768_trig_update | Tue Mar 10 00:00:00 1970 PST | Tue Mar 10 00:00:00 1970 | 8 | 8 | foo
|
|
778 | 608 | 00778_trig_update | Fri Mar 20 00:00:00 1970 PST | Fri Mar 20 00:00:00 1970 | 8 | 8 | foo
|
|
788 | 608 | 00788_trig_update | Mon Mar 30 00:00:00 1970 PST | Mon Mar 30 00:00:00 1970 | 8 | 8 | foo
|
|
798 | 608 | 00798_trig_update | Thu Apr 09 00:00:00 1970 PST | Thu Apr 09 00:00:00 1970 | 8 | 8 | foo
|
|
808 | 608 | 00808_trig_update | Fri Jan 09 00:00:00 1970 PST | Fri Jan 09 00:00:00 1970 | 8 | 8 | foo
|
|
818 | 608 | 00818_trig_update | Mon Jan 19 00:00:00 1970 PST | Mon Jan 19 00:00:00 1970 | 8 | 8 | foo
|
|
828 | 608 | 00828_trig_update | Thu Jan 29 00:00:00 1970 PST | Thu Jan 29 00:00:00 1970 | 8 | 8 | foo
|
|
838 | 608 | 00838_trig_update | Sun Feb 08 00:00:00 1970 PST | Sun Feb 08 00:00:00 1970 | 8 | 8 | foo
|
|
848 | 608 | 00848_trig_update | Wed Feb 18 00:00:00 1970 PST | Wed Feb 18 00:00:00 1970 | 8 | 8 | foo
|
|
858 | 608 | 00858_trig_update | Sat Feb 28 00:00:00 1970 PST | Sat Feb 28 00:00:00 1970 | 8 | 8 | foo
|
|
868 | 608 | 00868_trig_update | Tue Mar 10 00:00:00 1970 PST | Tue Mar 10 00:00:00 1970 | 8 | 8 | foo
|
|
878 | 608 | 00878_trig_update | Fri Mar 20 00:00:00 1970 PST | Fri Mar 20 00:00:00 1970 | 8 | 8 | foo
|
|
888 | 608 | 00888_trig_update | Mon Mar 30 00:00:00 1970 PST | Mon Mar 30 00:00:00 1970 | 8 | 8 | foo
|
|
898 | 608 | 00898_trig_update | Thu Apr 09 00:00:00 1970 PST | Thu Apr 09 00:00:00 1970 | 8 | 8 | foo
|
|
908 | 608 | 00908_trig_update | Fri Jan 09 00:00:00 1970 PST | Fri Jan 09 00:00:00 1970 | 8 | 8 | foo
|
|
918 | 608 | 00918_trig_update | Mon Jan 19 00:00:00 1970 PST | Mon Jan 19 00:00:00 1970 | 8 | 8 | foo
|
|
928 | 608 | 00928_trig_update | Thu Jan 29 00:00:00 1970 PST | Thu Jan 29 00:00:00 1970 | 8 | 8 | foo
|
|
938 | 608 | 00938_trig_update | Sun Feb 08 00:00:00 1970 PST | Sun Feb 08 00:00:00 1970 | 8 | 8 | foo
|
|
948 | 608 | 00948_trig_update | Wed Feb 18 00:00:00 1970 PST | Wed Feb 18 00:00:00 1970 | 8 | 8 | foo
|
|
958 | 608 | 00958_trig_update | Sat Feb 28 00:00:00 1970 PST | Sat Feb 28 00:00:00 1970 | 8 | 8 | foo
|
|
968 | 608 | 00968_trig_update | Tue Mar 10 00:00:00 1970 PST | Tue Mar 10 00:00:00 1970 | 8 | 8 | foo
|
|
978 | 608 | 00978_trig_update | Fri Mar 20 00:00:00 1970 PST | Fri Mar 20 00:00:00 1970 | 8 | 8 | foo
|
|
988 | 608 | 00988_trig_update | Mon Mar 30 00:00:00 1970 PST | Mon Mar 30 00:00:00 1970 | 8 | 8 | foo
|
|
998 | 608 | 00998_trig_update | Thu Apr 09 00:00:00 1970 PST | Thu Apr 09 00:00:00 1970 | 8 | 8 | foo
|
|
1008 | 708 | 0000800008_trig_update | | | | ft2 |
|
|
1018 | 708 | 0001800018_trig_update | | | | ft2 |
|
|
(102 rows)
|
|
|
|
-- Test errors thrown on remote side during update
|
|
ALTER TABLE "S 1"."T 1" ADD CONSTRAINT c2positive CHECK (c2 >= 0);
|
|
INSERT INTO ft1(c1, c2) VALUES(11, 12); -- duplicate key
|
|
ERROR: duplicate key value violates unique constraint "t1_pkey"
|
|
DETAIL: Key ("C 1")=(11) already exists.
|
|
CONTEXT: Remote SQL command: INSERT INTO "S 1"."T 1"("C 1", c2, c3, c4, c5, c6, c7, c8) VALUES ($1, $2, $3, $4, $5, $6, $7, $8)
|
|
INSERT INTO ft1(c1, c2) VALUES(11, 12) ON DUPLICATE KEY UPDATE NOTHING; -- works
|
|
ERROR: INSERT ON DUPLICATE KEY UPDATE is not supported on foreign table.
|
|
INSERT INTO ft1(c1, c2) VALUES(11, 12) ON DUPLICATE KEY UPDATE c3 = 'ffg'; -- unsupported
|
|
ERROR: INSERT ON DUPLICATE KEY UPDATE is not supported on foreign table.
|
|
INSERT INTO ft1(c1, c2) VALUES(1111, -2); -- c2positive
|
|
ERROR: new row for relation "T 1" violates check constraint "c2positive"
|
|
DETAIL: N/A
|
|
CONTEXT: Remote SQL command: INSERT INTO "S 1"."T 1"("C 1", c2, c3, c4, c5, c6, c7, c8) VALUES ($1, $2, $3, $4, $5, $6, $7, $8)
|
|
UPDATE ft1 SET c2 = -c2 WHERE c1 = 1; -- c2positive
|
|
ERROR: new row for relation "T 1" violates check constraint "c2positive"
|
|
DETAIL: N/A
|
|
CONTEXT: Remote SQL command: UPDATE "S 1"."T 1" SET c2 = $3 WHERE ctid = $1 and tableoid = $2
|
|
-- Test savepoint/rollback behavior
|
|
select c2, count(*) from ft2 where c2 < 500 group by 1 order by 1;
|
|
c2 | count
|
|
-----+-------
|
|
0 | 100
|
|
1 | 100
|
|
4 | 100
|
|
6 | 100
|
|
100 | 2
|
|
101 | 2
|
|
104 | 2
|
|
106 | 2
|
|
201 | 1
|
|
204 | 1
|
|
303 | 100
|
|
403 | 2
|
|
407 | 100
|
|
(13 rows)
|
|
|
|
select c2, count(*) from "S 1"."T 1" where c2 < 500 group by 1 order by 1;
|
|
c2 | count
|
|
-----+-------
|
|
0 | 100
|
|
1 | 100
|
|
4 | 100
|
|
6 | 100
|
|
100 | 2
|
|
101 | 2
|
|
104 | 2
|
|
106 | 2
|
|
201 | 1
|
|
204 | 1
|
|
303 | 100
|
|
403 | 2
|
|
407 | 100
|
|
(13 rows)
|
|
|
|
begin;
|
|
update ft2 set c2 = 42 where c2 = 0;
|
|
select c2, count(*) from ft2 where c2 < 500 group by 1 order by 1;
|
|
c2 | count
|
|
-----+-------
|
|
1 | 100
|
|
4 | 100
|
|
6 | 100
|
|
42 | 100
|
|
100 | 2
|
|
101 | 2
|
|
104 | 2
|
|
106 | 2
|
|
201 | 1
|
|
204 | 1
|
|
303 | 100
|
|
403 | 2
|
|
407 | 100
|
|
(13 rows)
|
|
|
|
savepoint s1;
|
|
update ft2 set c2 = 44 where c2 = 4;
|
|
select c2, count(*) from ft2 where c2 < 500 group by 1 order by 1;
|
|
c2 | count
|
|
-----+-------
|
|
1 | 100
|
|
6 | 100
|
|
42 | 100
|
|
44 | 100
|
|
100 | 2
|
|
101 | 2
|
|
104 | 2
|
|
106 | 2
|
|
201 | 1
|
|
204 | 1
|
|
303 | 100
|
|
403 | 2
|
|
407 | 100
|
|
(13 rows)
|
|
|
|
release savepoint s1;
|
|
select c2, count(*) from ft2 where c2 < 500 group by 1 order by 1;
|
|
c2 | count
|
|
-----+-------
|
|
1 | 100
|
|
6 | 100
|
|
42 | 100
|
|
44 | 100
|
|
100 | 2
|
|
101 | 2
|
|
104 | 2
|
|
106 | 2
|
|
201 | 1
|
|
204 | 1
|
|
303 | 100
|
|
403 | 2
|
|
407 | 100
|
|
(13 rows)
|
|
|
|
savepoint s2;
|
|
update ft2 set c2 = 46 where c2 = 6;
|
|
select c2, count(*) from ft2 where c2 < 500 group by 1 order by 1;
|
|
c2 | count
|
|
-----+-------
|
|
1 | 100
|
|
42 | 100
|
|
44 | 100
|
|
46 | 100
|
|
100 | 2
|
|
101 | 2
|
|
104 | 2
|
|
106 | 2
|
|
201 | 1
|
|
204 | 1
|
|
303 | 100
|
|
403 | 2
|
|
407 | 100
|
|
(13 rows)
|
|
|
|
rollback to savepoint s2;
|
|
select c2, count(*) from ft2 where c2 < 500 group by 1 order by 1;
|
|
c2 | count
|
|
-----+-------
|
|
1 | 100
|
|
6 | 100
|
|
42 | 100
|
|
44 | 100
|
|
100 | 2
|
|
101 | 2
|
|
104 | 2
|
|
106 | 2
|
|
201 | 1
|
|
204 | 1
|
|
303 | 100
|
|
403 | 2
|
|
407 | 100
|
|
(13 rows)
|
|
|
|
release savepoint s2;
|
|
select c2, count(*) from ft2 where c2 < 500 group by 1 order by 1;
|
|
c2 | count
|
|
-----+-------
|
|
1 | 100
|
|
6 | 100
|
|
42 | 100
|
|
44 | 100
|
|
100 | 2
|
|
101 | 2
|
|
104 | 2
|
|
106 | 2
|
|
201 | 1
|
|
204 | 1
|
|
303 | 100
|
|
403 | 2
|
|
407 | 100
|
|
(13 rows)
|
|
|
|
savepoint s3;
|
|
update ft2 set c2 = -2 where c2 = 42 and c1 = 10; -- fail on remote side
|
|
ERROR: new row for relation "T 1" violates check constraint "c2positive"
|
|
DETAIL: N/A
|
|
CONTEXT: Remote SQL command: UPDATE "S 1"."T 1" SET c2 = $3 WHERE ctid = $1 and tableoid = $2
|
|
rollback to savepoint s3;
|
|
select c2, count(*) from ft2 where c2 < 500 group by 1 order by 1;
|
|
c2 | count
|
|
-----+-------
|
|
1 | 100
|
|
6 | 100
|
|
42 | 100
|
|
44 | 100
|
|
100 | 2
|
|
101 | 2
|
|
104 | 2
|
|
106 | 2
|
|
201 | 1
|
|
204 | 1
|
|
303 | 100
|
|
403 | 2
|
|
407 | 100
|
|
(13 rows)
|
|
|
|
release savepoint s3;
|
|
select c2, count(*) from ft2 where c2 < 500 group by 1 order by 1;
|
|
c2 | count
|
|
-----+-------
|
|
1 | 100
|
|
6 | 100
|
|
42 | 100
|
|
44 | 100
|
|
100 | 2
|
|
101 | 2
|
|
104 | 2
|
|
106 | 2
|
|
201 | 1
|
|
204 | 1
|
|
303 | 100
|
|
403 | 2
|
|
407 | 100
|
|
(13 rows)
|
|
|
|
-- none of the above is committed yet remotely
|
|
select c2, count(*) from "S 1"."T 1" where c2 < 500 group by 1 order by 1;
|
|
c2 | count
|
|
-----+-------
|
|
0 | 100
|
|
1 | 100
|
|
4 | 100
|
|
6 | 100
|
|
100 | 2
|
|
101 | 2
|
|
104 | 2
|
|
106 | 2
|
|
201 | 1
|
|
204 | 1
|
|
303 | 100
|
|
403 | 2
|
|
407 | 100
|
|
(13 rows)
|
|
|
|
commit;
|
|
select c2, count(*) from ft2 where c2 < 500 group by 1 order by 1;
|
|
c2 | count
|
|
-----+-------
|
|
1 | 100
|
|
6 | 100
|
|
42 | 100
|
|
44 | 100
|
|
100 | 2
|
|
101 | 2
|
|
104 | 2
|
|
106 | 2
|
|
201 | 1
|
|
204 | 1
|
|
303 | 100
|
|
403 | 2
|
|
407 | 100
|
|
(13 rows)
|
|
|
|
select c2, count(*) from "S 1"."T 1" where c2 < 500 group by 1 order by 1;
|
|
c2 | count
|
|
-----+-------
|
|
1 | 100
|
|
6 | 100
|
|
42 | 100
|
|
44 | 100
|
|
100 | 2
|
|
101 | 2
|
|
104 | 2
|
|
106 | 2
|
|
201 | 1
|
|
204 | 1
|
|
303 | 100
|
|
403 | 2
|
|
407 | 100
|
|
(13 rows)
|
|
|
|
VACUUM ANALYZE "S 1"."T 1";
|
|
-- Above DMLs add data with c6 as NULL in ft1, so test ORDER BY NULLS LAST and NULLs
|
|
-- FIRST behavior here.
|
|
-- ORDER BY DESC NULLS LAST options
|
|
EXPLAIN (VERBOSE, COSTS OFF) SELECT * FROM ft1 ORDER BY c6 DESC NULLS LAST, c1 OFFSET 795 LIMIT 10;
|
|
QUERY PLAN
|
|
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
|
|
Foreign Scan on public.ft1
|
|
Output: c1, c2, c3, c4, c5, c6, c7, c8
|
|
Node ID: 1
|
|
Remote SQL: SELECT "C 1", c2, c3, c4, c5, c6, c7, c8 FROM "S 1"."T 1" ORDER BY c6::text DESC NULLS LAST, "C 1" ASC NULLS LAST LIMIT 10::bigint OFFSET 795::bigint
|
|
|
|
FDW remote plans:
|
|
Node 1: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT "C 1", c2, c3, c4, c5, c6, c7, c8 FROM "S 1"."T 1" ORDER BY c6::text DESC NULLS LAST, "C 1" ASC NULLS LAST LIMIT 10::bigint OFFSET 795::bigint
|
|
Limit
|
|
Output: "C 1", c2, c3, c4, c5, c6, c7, c8, ((c6)::text)
|
|
-> Sort
|
|
Output: "C 1", c2, c3, c4, c5, c6, c7, c8, ((c6)::text)
|
|
Sort Key: "T 1".c6 DESC NULLS LAST, "T 1"."C 1"
|
|
-> Seq Scan on "S 1"."T 1"
|
|
Output: "C 1", c2, c3, c4, c5, c6, c7, c8, (c6)::text
|
|
|
|
(15 rows)
|
|
|
|
SELECT * FROM ft1 ORDER BY c6 DESC NULLS LAST, c1 OFFSET 795 LIMIT 10;
|
|
c1 | c2 | c3 | c4 | c5 | c6 | c7 | c8
|
|
------+-----+--------------------+------------------------------+--------------------------+------+------------+-----
|
|
960 | 42 | 00960_trig_update | Mon Mar 02 00:00:00 1970 PST | Mon Mar 02 00:00:00 1970 | 0 | 0 | foo
|
|
970 | 42 | 00970_trig_update | Thu Mar 12 00:00:00 1970 PST | Thu Mar 12 00:00:00 1970 | 0 | 0 | foo
|
|
980 | 42 | 00980_trig_update | Sun Mar 22 00:00:00 1970 PST | Sun Mar 22 00:00:00 1970 | 0 | 0 | foo
|
|
990 | 42 | 00990_trig_update | Wed Apr 01 00:00:00 1970 PST | Wed Apr 01 00:00:00 1970 | 0 | 0 | foo
|
|
1000 | 42 | 01000_trig_update | Thu Jan 01 00:00:00 1970 PST | Thu Jan 01 00:00:00 1970 | 0 | 0 | foo
|
|
1218 | 818 | ggg_trig_update | | | (--; | ft2 |
|
|
1001 | 101 | 0000100001 | | | | ft2 |
|
|
1003 | 403 | 0000300003_update3 | | | | ft2 |
|
|
1004 | 104 | 0000400004 | | | | ft2 |
|
|
1006 | 106 | 0000600006 | | | | ft2 |
|
|
(10 rows)
|
|
|
|
-- ORDER BY DESC NULLS FIRST options
|
|
EXPLAIN (VERBOSE, COSTS OFF) SELECT * FROM ft1 ORDER BY c6 DESC NULLS FIRST, c1 OFFSET 15 LIMIT 10;
|
|
QUERY PLAN
|
|
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
|
|
Foreign Scan on public.ft1
|
|
Output: c1, c2, c3, c4, c5, c6, c7, c8
|
|
Node ID: 1
|
|
Remote SQL: SELECT "C 1", c2, c3, c4, c5, c6, c7, c8 FROM "S 1"."T 1" ORDER BY c6::text DESC NULLS FIRST, "C 1" ASC NULLS LAST LIMIT 10::bigint OFFSET 15::bigint
|
|
|
|
FDW remote plans:
|
|
Node 1: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT "C 1", c2, c3, c4, c5, c6, c7, c8 FROM "S 1"."T 1" ORDER BY c6::text DESC NULLS FIRST, "C 1" ASC NULLS LAST LIMIT 10::bigint OFFSET 15::bigint
|
|
Limit
|
|
Output: "C 1", c2, c3, c4, c5, c6, c7, c8, ((c6)::text)
|
|
-> Sort
|
|
Output: "C 1", c2, c3, c4, c5, c6, c7, c8, ((c6)::text)
|
|
Sort Key: "T 1".c6 DESC, "T 1"."C 1"
|
|
-> Seq Scan on "S 1"."T 1"
|
|
Output: "C 1", c2, c3, c4, c5, c6, c7, c8, (c6)::text
|
|
|
|
(15 rows)
|
|
|
|
SELECT * FROM ft1 ORDER BY c6 DESC NULLS FIRST, c1 OFFSET 15 LIMIT 10;
|
|
c1 | c2 | c3 | c4 | c5 | c6 | c7 | c8
|
|
------+-----+-----------------+------------------------------+--------------------------+----+------------+-----
|
|
1020 | 100 | 0002000020 | | | | ft2 |
|
|
1101 | 201 | aaa | | | | ft2 |
|
|
1103 | 503 | ccc_update3 | | | | ft2 |
|
|
1104 | 204 | ddd | | | | ft2 |
|
|
1208 | 818 | fff_trig_update | | | | ft2 |
|
|
9 | 509 | 00009_update9 | Sat Jan 10 00:00:00 1970 PST | Sat Jan 10 00:00:00 1970 | 9 | ft2 | foo
|
|
19 | 509 | 00019_update9 | Tue Jan 20 00:00:00 1970 PST | Tue Jan 20 00:00:00 1970 | 9 | ft2 | foo
|
|
29 | 509 | 00029_update9 | Fri Jan 30 00:00:00 1970 PST | Fri Jan 30 00:00:00 1970 | 9 | ft2 | foo
|
|
39 | 509 | 00039_update9 | Mon Feb 09 00:00:00 1970 PST | Mon Feb 09 00:00:00 1970 | 9 | ft2 | foo
|
|
49 | 509 | 00049_update9 | Thu Feb 19 00:00:00 1970 PST | Thu Feb 19 00:00:00 1970 | 9 | ft2 | foo
|
|
(10 rows)
|
|
|
|
-- ORDER BY ASC NULLS FIRST options
|
|
EXPLAIN (VERBOSE, COSTS OFF) SELECT * FROM ft1 ORDER BY c6 ASC NULLS FIRST, c1 OFFSET 15 LIMIT 10;
|
|
QUERY PLAN
|
|
-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
|
|
Foreign Scan on public.ft1
|
|
Output: c1, c2, c3, c4, c5, c6, c7, c8
|
|
Node ID: 1
|
|
Remote SQL: SELECT "C 1", c2, c3, c4, c5, c6, c7, c8 FROM "S 1"."T 1" ORDER BY c6::text ASC NULLS FIRST, "C 1" ASC NULLS LAST LIMIT 10::bigint OFFSET 15::bigint
|
|
|
|
FDW remote plans:
|
|
Node 1: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT "C 1", c2, c3, c4, c5, c6, c7, c8 FROM "S 1"."T 1" ORDER BY c6::text ASC NULLS FIRST, "C 1" ASC NULLS LAST LIMIT 10::bigint OFFSET 15::bigint
|
|
Limit
|
|
Output: "C 1", c2, c3, c4, c5, c6, c7, c8, ((c6)::text)
|
|
-> Sort
|
|
Output: "C 1", c2, c3, c4, c5, c6, c7, c8, ((c6)::text)
|
|
Sort Key: "T 1".c6 NULLS FIRST, "T 1"."C 1"
|
|
-> Seq Scan on "S 1"."T 1"
|
|
Output: "C 1", c2, c3, c4, c5, c6, c7, c8, (c6)::text
|
|
|
|
(15 rows)
|
|
|
|
SELECT * FROM ft1 ORDER BY c6 ASC NULLS FIRST, c1 OFFSET 15 LIMIT 10;
|
|
c1 | c2 | c3 | c4 | c5 | c6 | c7 | c8
|
|
------+-----+-------------------+------------------------------+--------------------------+------+------------+-----
|
|
1020 | 100 | 0002000020 | | | | ft2 |
|
|
1101 | 201 | aaa | | | | ft2 |
|
|
1103 | 503 | ccc_update3 | | | | ft2 |
|
|
1104 | 204 | ddd | | | | ft2 |
|
|
1208 | 818 | fff_trig_update | | | | ft2 |
|
|
1218 | 818 | ggg_trig_update | | | (--; | ft2 |
|
|
10 | 42 | 00010_trig_update | Sun Jan 11 00:00:00 1970 PST | Sun Jan 11 00:00:00 1970 | 0 | 0 | foo
|
|
20 | 42 | 00020_trig_update | Wed Jan 21 00:00:00 1970 PST | Wed Jan 21 00:00:00 1970 | 0 | 0 | foo
|
|
30 | 42 | 00030_trig_update | Sat Jan 31 00:00:00 1970 PST | Sat Jan 31 00:00:00 1970 | 0 | 0 | foo
|
|
40 | 42 | 00040_trig_update | Tue Feb 10 00:00:00 1970 PST | Tue Feb 10 00:00:00 1970 | 0 | 0 | foo
|
|
(10 rows)
|
|
|
|
-- ======================================================================================================================================
|
|
-- TEST-MODULE: check constraints
|
|
-- --------------------------------------
|
|
-- openGauss not support to "ALTER FOREIGN TABLE ft1 ADD CONSTRAINT", so this test module
|
|
-- is unuseful.
|
|
-- ======================================================================================================================================
|
|
-- Consistent check constraints provide consistent results
|
|
ALTER FOREIGN TABLE ft1 ADD CONSTRAINT ft1_c2positive CHECK (c2 >= 0);
|
|
ERROR: "ft1" is not a table
|
|
EXPLAIN (VERBOSE, COSTS OFF) SELECT count(*) FROM ft1 WHERE c2 < 0;
|
|
QUERY PLAN
|
|
----------------------------------------------------------------------------------------
|
|
Aggregate
|
|
Output: count(*)
|
|
-> Foreign Scan on public.ft1
|
|
Node ID: 1
|
|
Remote SQL: SELECT NULL FROM "S 1"."T 1" WHERE ((c2 < 0))
|
|
|
|
FDW remote plans:
|
|
Node 1: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT NULL FROM "S 1"."T 1" WHERE ((c2 < 0))
|
|
Seq Scan on "S 1"."T 1"
|
|
Output: NULL::text
|
|
Filter: ("T 1".c2 < 0)
|
|
|
|
(12 rows)
|
|
|
|
SELECT count(*) FROM ft1 WHERE c2 < 0;
|
|
count
|
|
-------
|
|
0
|
|
(1 row)
|
|
|
|
SET constraint_exclusion = 'on';
|
|
EXPLAIN (VERBOSE, COSTS OFF) SELECT count(*) FROM ft1 WHERE c2 < 0;
|
|
QUERY PLAN
|
|
----------------------------------------------------------------------------------------
|
|
Aggregate
|
|
Output: count(*)
|
|
-> Foreign Scan on public.ft1
|
|
Node ID: 1
|
|
Remote SQL: SELECT NULL FROM "S 1"."T 1" WHERE ((c2 < 0))
|
|
|
|
FDW remote plans:
|
|
Node 1: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT NULL FROM "S 1"."T 1" WHERE ((c2 < 0))
|
|
Seq Scan on "S 1"."T 1"
|
|
Output: NULL::text
|
|
Filter: ("T 1".c2 < 0)
|
|
|
|
(12 rows)
|
|
|
|
SELECT count(*) FROM ft1 WHERE c2 < 0;
|
|
count
|
|
-------
|
|
0
|
|
(1 row)
|
|
|
|
RESET constraint_exclusion;
|
|
-- check constraint is enforced on the remote side, not locally
|
|
INSERT INTO ft1(c1, c2) VALUES(1111, -2); -- c2positive
|
|
ERROR: new row for relation "T 1" violates check constraint "c2positive"
|
|
DETAIL: N/A
|
|
CONTEXT: Remote SQL command: INSERT INTO "S 1"."T 1"("C 1", c2, c3, c4, c5, c6, c7, c8) VALUES ($1, $2, $3, $4, $5, $6, $7, $8)
|
|
UPDATE ft1 SET c2 = -c2 WHERE c1 = 1; -- c2positive
|
|
ERROR: new row for relation "T 1" violates check constraint "c2positive"
|
|
DETAIL: N/A
|
|
CONTEXT: Remote SQL command: UPDATE "S 1"."T 1" SET c2 = $3 WHERE ctid = $1 and tableoid = $2
|
|
ALTER FOREIGN TABLE ft1 DROP CONSTRAINT ft1_c2positive;
|
|
ERROR: constraint "ft1_c2positive" of relation "ft1" does not exist
|
|
-- But inconsistent check constraints provide inconsistent results
|
|
ALTER FOREIGN TABLE ft1 ADD CONSTRAINT ft1_c2negative CHECK (c2 < 0);
|
|
ERROR: "ft1" is not a table
|
|
EXPLAIN (VERBOSE, COSTS OFF) SELECT count(*) FROM ft1 WHERE c2 >= 0;
|
|
QUERY PLAN
|
|
---------------------------------------------------------------------------------------------
|
|
Foreign Scan
|
|
Output: (count(*))
|
|
Node ID: 1
|
|
Relations: Aggregate on (public.ft1)
|
|
Remote SQL: SELECT count(*) FROM "S 1"."T 1" WHERE ((c2 >= 0))
|
|
|
|
FDW remote plans:
|
|
Node 1: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT count(*) FROM "S 1"."T 1" WHERE ((c2 >= 0))
|
|
Aggregate
|
|
Output: count(*)
|
|
-> Seq Scan on "S 1"."T 1"
|
|
Output: "C 1", c2, c3, c4, c5, c6, c7, c8
|
|
Filter: ("T 1".c2 >= 0)
|
|
|
|
(14 rows)
|
|
|
|
SELECT count(*) FROM ft1 WHERE c2 >= 0;
|
|
count
|
|
-------
|
|
821
|
|
(1 row)
|
|
|
|
SET constraint_exclusion = 'on';
|
|
EXPLAIN (VERBOSE, COSTS OFF) SELECT count(*) FROM ft1 WHERE c2 >= 0;
|
|
QUERY PLAN
|
|
---------------------------------------------------------------------------------------------
|
|
Foreign Scan
|
|
Output: (count(*))
|
|
Node ID: 1
|
|
Relations: Aggregate on (public.ft1)
|
|
Remote SQL: SELECT count(*) FROM "S 1"."T 1" WHERE ((c2 >= 0))
|
|
|
|
FDW remote plans:
|
|
Node 1: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT count(*) FROM "S 1"."T 1" WHERE ((c2 >= 0))
|
|
Aggregate
|
|
Output: count(*)
|
|
-> Seq Scan on "S 1"."T 1"
|
|
Output: "C 1", c2, c3, c4, c5, c6, c7, c8
|
|
Filter: ("T 1".c2 >= 0)
|
|
|
|
(14 rows)
|
|
|
|
SELECT count(*) FROM ft1 WHERE c2 >= 0;
|
|
count
|
|
-------
|
|
821
|
|
(1 row)
|
|
|
|
RESET constraint_exclusion;
|
|
-- local check constraint is not actually enforced
|
|
INSERT INTO ft1(c1, c2) VALUES(1111, 2);
|
|
UPDATE ft1 SET c2 = c2 + 1 WHERE c1 = 1;
|
|
ALTER FOREIGN TABLE ft1 DROP CONSTRAINT ft1_c2negative;
|
|
ERROR: constraint "ft1_c2negative" of relation "ft1" does not exist
|
|
-- ======================================================================================================================================
|
|
-- TEST-MODULE: IUD VIEW and WITH CHECK OPTION constraints
|
|
-- --------------------------------------
|
|
-- ======================================================================================================================================
|
|
CREATE TABLE base_tbl (id int, a int, b int);
|
|
ALTER TABLE base_tbl SET (autovacuum_enabled = 'false');
|
|
CREATE FOREIGN TABLE foreign_tbl (id int, a int, b int) SERVER loopback OPTIONS (table_name 'base_tbl');
|
|
CREATE VIEW rw_view1 AS SELECT * FROM foreign_tbl WHERE a < b and id = 1;
|
|
CREATE VIEW rw_view2 AS SELECT * FROM foreign_tbl WHERE a < b and id = 2 WITH CHECK OPTION;
|
|
\d+ rw_view1
|
|
View "public.rw_view1"
|
|
Column | Type | Modifiers | Storage | Description
|
|
--------+---------+-----------+---------+-------------
|
|
id | integer | | plain |
|
|
a | integer | | plain |
|
|
b | integer | | plain |
|
|
View definition:
|
|
SELECT *
|
|
FROM foreign_tbl
|
|
WHERE foreign_tbl.a < foreign_tbl.b AND foreign_tbl.id = 1;
|
|
|
|
\d+ rw_view2
|
|
View "public.rw_view2"
|
|
Column | Type | Modifiers | Storage | Description
|
|
--------+---------+-----------+---------+-------------
|
|
id | integer | | plain |
|
|
a | integer | | plain |
|
|
b | integer | | plain |
|
|
View definition:
|
|
SELECT *
|
|
FROM foreign_tbl
|
|
WHERE foreign_tbl.a < foreign_tbl.b AND foreign_tbl.id = 2;
|
|
Options: check_option=cascaded
|
|
|
|
CREATE OR REPLACE FUNCTION checkdata(out tbname text, out id int, out a int, out b int) RETURNS SETOF record as $$
|
|
select * from (
|
|
(select 'rw_view1', * from rw_view1 where id = 1) union all
|
|
(select 'rw_view2', * from rw_view2 where id = 2) union all
|
|
(select 'base_tbl', * from base_tbl) union all
|
|
(select 'foreign_tbl', * from foreign_tbl)
|
|
) data(tbname, id, a, b)
|
|
order by 1,2,3,4;
|
|
$$ language sql;
|
|
-- simple case
|
|
EXPLAIN (VERBOSE, COSTS OFF) INSERT INTO rw_view1 VALUES (1, 0, 5); -- should success
|
|
QUERY PLAN
|
|
------------------------------
|
|
Insert on public.foreign_tbl
|
|
-> Result
|
|
Output: 1, 0, 5
|
|
(3 rows)
|
|
|
|
INSERT INTO rw_view1 VALUES (1, 0, 5);
|
|
EXPLAIN (VERBOSE, COSTS OFF) INSERT INTO rw_view1 VALUES (1, 10, 5); -- should success
|
|
QUERY PLAN
|
|
------------------------------
|
|
Insert on public.foreign_tbl
|
|
-> Result
|
|
Output: 1, 10, 5
|
|
(3 rows)
|
|
|
|
INSERT INTO rw_view1 VALUES (1, 10, 5);
|
|
EXPLAIN (VERBOSE, COSTS OFF) INSERT INTO rw_view2 VALUES (2, 0, 5); -- should success
|
|
QUERY PLAN
|
|
------------------------------
|
|
Insert on public.foreign_tbl
|
|
-> Result
|
|
Output: 2, 0, 5
|
|
(3 rows)
|
|
|
|
INSERT INTO rw_view2 VALUES (2, 0, 5);
|
|
EXPLAIN (VERBOSE, COSTS OFF) INSERT INTO rw_view2 VALUES (2, 10, 5); -- should failed
|
|
QUERY PLAN
|
|
------------------------------
|
|
Insert on public.foreign_tbl
|
|
-> Result
|
|
Output: 2, 10, 5
|
|
(3 rows)
|
|
|
|
INSERT INTO rw_view2 VALUES (2, 10, 5);
|
|
ERROR: new row violates WITH CHECK OPTION for view "rw_view2"
|
|
DETAIL: Failing row contains (2, 10, 5).
|
|
select * from checkdata();
|
|
tbname | id | a | b
|
|
-------------+----+----+---
|
|
base_tbl | 1 | 0 | 5
|
|
base_tbl | 1 | 10 | 5
|
|
base_tbl | 2 | 0 | 5
|
|
foreign_tbl | 1 | 0 | 5
|
|
foreign_tbl | 1 | 10 | 5
|
|
foreign_tbl | 2 | 0 | 5
|
|
rw_view1 | 1 | 0 | 5
|
|
rw_view2 | 2 | 0 | 5
|
|
(8 rows)
|
|
|
|
EXPLAIN (VERBOSE, COSTS OFF) UPDATE rw_view1 SET a = a + 20 where id = 1; -- should success
|
|
QUERY PLAN
|
|
------------------------------------------------------------------------------------------------------------------------------
|
|
Update on public.foreign_tbl
|
|
-> Foreign Scan on public.foreign_tbl
|
|
Output: foreign_tbl.id, (foreign_tbl.a + 20), foreign_tbl.b, foreign_tbl.ctid, foreign_tbl.tableoid
|
|
Node ID: 1
|
|
Remote SQL: SELECT id, a, b, ctid, tableoid FROM public.base_tbl WHERE ((a < b)) AND ((id = 1))
|
|
|
|
FDW remote plans:
|
|
Node 1: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT id, a, b, ctid, tableoid FROM public.base_tbl WHERE ((a < b)) AND ((id = 1))
|
|
Seq Scan on public.base_tbl
|
|
Output: id, a, b, ctid, tableoid
|
|
Filter: ((base_tbl.a < base_tbl.b) AND (base_tbl.id = 1))
|
|
|
|
(12 rows)
|
|
|
|
UPDATE rw_view1 SET a = a + 20 where id = 1;
|
|
EXPLAIN (VERBOSE, COSTS OFF) UPDATE rw_view2 SET a = a + 20 where id = 2; -- should failed
|
|
QUERY PLAN
|
|
------------------------------------------------------------------------------------------------------------------------------
|
|
Update on public.foreign_tbl
|
|
-> Foreign Scan on public.foreign_tbl
|
|
Output: foreign_tbl.id, (foreign_tbl.a + 20), foreign_tbl.b, foreign_tbl.ctid, foreign_tbl.tableoid
|
|
Node ID: 1
|
|
Remote SQL: SELECT id, a, b, ctid, tableoid FROM public.base_tbl WHERE ((a < b)) AND ((id = 2))
|
|
|
|
FDW remote plans:
|
|
Node 1: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT id, a, b, ctid, tableoid FROM public.base_tbl WHERE ((a < b)) AND ((id = 2))
|
|
Seq Scan on public.base_tbl
|
|
Output: id, a, b, ctid, tableoid
|
|
Filter: ((base_tbl.a < base_tbl.b) AND (base_tbl.id = 2))
|
|
|
|
(12 rows)
|
|
|
|
UPDATE rw_view2 SET a = a + 20 where id = 2;
|
|
ERROR: new row violates WITH CHECK OPTION for view "rw_view2"
|
|
DETAIL: Failing row contains (2, 20, 5).
|
|
select * from checkdata();
|
|
tbname | id | a | b
|
|
-------------+----+----+---
|
|
base_tbl | 1 | 10 | 5
|
|
base_tbl | 1 | 20 | 5
|
|
base_tbl | 2 | 0 | 5
|
|
foreign_tbl | 1 | 10 | 5
|
|
foreign_tbl | 1 | 20 | 5
|
|
foreign_tbl | 2 | 0 | 5
|
|
rw_view2 | 2 | 0 | 5
|
|
(7 rows)
|
|
|
|
insert into base_tbl values(1,100,99),(2,100,99);
|
|
EXPLAIN (VERBOSE, COSTS OFF) delete from rw_view1 where id = 1;
|
|
QUERY PLAN
|
|
--------------------------------------------------------------------------------------------------------------------
|
|
Delete on public.foreign_tbl
|
|
-> Foreign Scan on public.foreign_tbl
|
|
Output: foreign_tbl.ctid, foreign_tbl.tableoid
|
|
Node ID: 1
|
|
Remote SQL: SELECT ctid, tableoid FROM public.base_tbl WHERE ((a < b)) AND ((id = 1))
|
|
|
|
FDW remote plans:
|
|
Node 1: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT ctid, tableoid FROM public.base_tbl WHERE ((a < b)) AND ((id = 1))
|
|
Seq Scan on public.base_tbl
|
|
Output: ctid, tableoid
|
|
Filter: ((base_tbl.a < base_tbl.b) AND (base_tbl.id = 1))
|
|
|
|
(12 rows)
|
|
|
|
delete from rw_view1 where id = 1;
|
|
EXPLAIN (VERBOSE, COSTS OFF) delete from rw_view2 where id = 2;
|
|
QUERY PLAN
|
|
--------------------------------------------------------------------------------------------------------------------
|
|
Delete on public.foreign_tbl
|
|
-> Foreign Scan on public.foreign_tbl
|
|
Output: foreign_tbl.ctid, foreign_tbl.tableoid
|
|
Node ID: 1
|
|
Remote SQL: SELECT ctid, tableoid FROM public.base_tbl WHERE ((a < b)) AND ((id = 2))
|
|
|
|
FDW remote plans:
|
|
Node 1: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT ctid, tableoid FROM public.base_tbl WHERE ((a < b)) AND ((id = 2))
|
|
Seq Scan on public.base_tbl
|
|
Output: ctid, tableoid
|
|
Filter: ((base_tbl.a < base_tbl.b) AND (base_tbl.id = 2))
|
|
|
|
(12 rows)
|
|
|
|
delete from rw_view2 where id = 2;
|
|
select * from checkdata();
|
|
tbname | id | a | b
|
|
-------------+----+-----+----
|
|
base_tbl | 1 | 10 | 5
|
|
base_tbl | 1 | 20 | 5
|
|
base_tbl | 1 | 100 | 99
|
|
base_tbl | 2 | 100 | 99
|
|
foreign_tbl | 1 | 10 | 5
|
|
foreign_tbl | 1 | 20 | 5
|
|
foreign_tbl | 1 | 100 | 99
|
|
foreign_tbl | 2 | 100 | 99
|
|
(8 rows)
|
|
|
|
delete from base_tbl;
|
|
-- with trigger
|
|
CREATE FUNCTION row_before_insupd_trigfunc() RETURNS trigger AS $$BEGIN NEW.a := NEW.a + 10; RETURN NEW; END$$ LANGUAGE plpgsql;
|
|
CREATE TRIGGER row_before_insupd_trigger BEFORE INSERT OR UPDATE ON base_tbl FOR EACH ROW EXECUTE PROCEDURE row_before_insupd_trigfunc();
|
|
EXPLAIN (VERBOSE, COSTS OFF) INSERT INTO rw_view1 VALUES (1, 0, 5); -- should success
|
|
QUERY PLAN
|
|
------------------------------
|
|
Insert on public.foreign_tbl
|
|
-> Result
|
|
Output: 1, 0, 5
|
|
(3 rows)
|
|
|
|
INSERT INTO rw_view1 VALUES (1, 0, 5);
|
|
EXPLAIN (VERBOSE, COSTS OFF) INSERT INTO rw_view1 VALUES (1, 0, 16); -- should success
|
|
QUERY PLAN
|
|
------------------------------
|
|
Insert on public.foreign_tbl
|
|
-> Result
|
|
Output: 1, 0, 16
|
|
(3 rows)
|
|
|
|
INSERT INTO rw_view1 VALUES (1, 0, 16);
|
|
EXPLAIN (VERBOSE, COSTS OFF) INSERT INTO rw_view2 VALUES (2, 0, 5); -- should failed
|
|
QUERY PLAN
|
|
------------------------------
|
|
Insert on public.foreign_tbl
|
|
-> Result
|
|
Output: 2, 0, 5
|
|
(3 rows)
|
|
|
|
INSERT INTO rw_view2 VALUES (2, 0, 5);
|
|
ERROR: new row violates WITH CHECK OPTION for view "rw_view2"
|
|
DETAIL: Failing row contains (2, 10, 5).
|
|
EXPLAIN (VERBOSE, COSTS OFF) INSERT INTO rw_view2 VALUES (2, 0, 16); -- should success
|
|
QUERY PLAN
|
|
------------------------------
|
|
Insert on public.foreign_tbl
|
|
-> Result
|
|
Output: 2, 0, 16
|
|
(3 rows)
|
|
|
|
INSERT INTO rw_view2 VALUES (2, 0, 16);
|
|
select * from checkdata();
|
|
tbname | id | a | b
|
|
-------------+----+----+----
|
|
base_tbl | 1 | 10 | 5
|
|
base_tbl | 1 | 10 | 16
|
|
base_tbl | 2 | 10 | 16
|
|
foreign_tbl | 1 | 10 | 5
|
|
foreign_tbl | 1 | 10 | 16
|
|
foreign_tbl | 2 | 10 | 16
|
|
rw_view1 | 1 | 10 | 16
|
|
rw_view2 | 2 | 10 | 16
|
|
(8 rows)
|
|
|
|
EXPLAIN (VERBOSE, COSTS OFF) UPDATE rw_view1 SET a = a - 1 where id = 1;
|
|
QUERY PLAN
|
|
------------------------------------------------------------------------------------------------------------------------------
|
|
Update on public.foreign_tbl
|
|
-> Foreign Scan on public.foreign_tbl
|
|
Output: foreign_tbl.id, (foreign_tbl.a - 1), foreign_tbl.b, foreign_tbl.ctid, foreign_tbl.tableoid
|
|
Node ID: 1
|
|
Remote SQL: SELECT id, a, b, ctid, tableoid FROM public.base_tbl WHERE ((a < b)) AND ((id = 1))
|
|
|
|
FDW remote plans:
|
|
Node 1: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT id, a, b, ctid, tableoid FROM public.base_tbl WHERE ((a < b)) AND ((id = 1))
|
|
Seq Scan on public.base_tbl
|
|
Output: id, a, b, ctid, tableoid
|
|
Filter: ((base_tbl.a < base_tbl.b) AND (base_tbl.id = 1))
|
|
|
|
(12 rows)
|
|
|
|
UPDATE rw_view1 SET a = a - 1 where id = 1;
|
|
EXPLAIN (VERBOSE, COSTS OFF) UPDATE rw_view1 SET a = a + 1 where id = 1;
|
|
QUERY PLAN
|
|
------------------------------------------------------------------------------------------------------------------------------
|
|
Update on public.foreign_tbl
|
|
-> Foreign Scan on public.foreign_tbl
|
|
Output: foreign_tbl.id, (foreign_tbl.a + 1), foreign_tbl.b, foreign_tbl.ctid, foreign_tbl.tableoid
|
|
Node ID: 1
|
|
Remote SQL: SELECT id, a, b, ctid, tableoid FROM public.base_tbl WHERE ((a < b)) AND ((id = 1))
|
|
|
|
FDW remote plans:
|
|
Node 1: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT id, a, b, ctid, tableoid FROM public.base_tbl WHERE ((a < b)) AND ((id = 1))
|
|
Seq Scan on public.base_tbl
|
|
Output: id, a, b, ctid, tableoid
|
|
Filter: ((base_tbl.a < base_tbl.b) AND (base_tbl.id = 1))
|
|
|
|
(12 rows)
|
|
|
|
UPDATE rw_view1 SET a = a + 1 where id = 1;
|
|
EXPLAIN (VERBOSE, COSTS OFF) UPDATE rw_view2 SET a = a - 10 where id = 2;
|
|
QUERY PLAN
|
|
------------------------------------------------------------------------------------------------------------------------------
|
|
Update on public.foreign_tbl
|
|
-> Foreign Scan on public.foreign_tbl
|
|
Output: foreign_tbl.id, (foreign_tbl.a - 10), foreign_tbl.b, foreign_tbl.ctid, foreign_tbl.tableoid
|
|
Node ID: 1
|
|
Remote SQL: SELECT id, a, b, ctid, tableoid FROM public.base_tbl WHERE ((a < b)) AND ((id = 2))
|
|
|
|
FDW remote plans:
|
|
Node 1: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT id, a, b, ctid, tableoid FROM public.base_tbl WHERE ((a < b)) AND ((id = 2))
|
|
Seq Scan on public.base_tbl
|
|
Output: id, a, b, ctid, tableoid
|
|
Filter: ((base_tbl.a < base_tbl.b) AND (base_tbl.id = 2))
|
|
|
|
(12 rows)
|
|
|
|
UPDATE rw_view2 SET a = a - 10 where id = 2;
|
|
EXPLAIN (VERBOSE, COSTS OFF) UPDATE rw_view2 SET a = a + 10 where id = 2;
|
|
QUERY PLAN
|
|
------------------------------------------------------------------------------------------------------------------------------
|
|
Update on public.foreign_tbl
|
|
-> Foreign Scan on public.foreign_tbl
|
|
Output: foreign_tbl.id, (foreign_tbl.a + 10), foreign_tbl.b, foreign_tbl.ctid, foreign_tbl.tableoid
|
|
Node ID: 1
|
|
Remote SQL: SELECT id, a, b, ctid, tableoid FROM public.base_tbl WHERE ((a < b)) AND ((id = 2))
|
|
|
|
FDW remote plans:
|
|
Node 1: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT id, a, b, ctid, tableoid FROM public.base_tbl WHERE ((a < b)) AND ((id = 2))
|
|
Seq Scan on public.base_tbl
|
|
Output: id, a, b, ctid, tableoid
|
|
Filter: ((base_tbl.a < base_tbl.b) AND (base_tbl.id = 2))
|
|
|
|
(12 rows)
|
|
|
|
UPDATE rw_view2 SET a = a + 10 where id = 2;
|
|
ERROR: new row violates WITH CHECK OPTION for view "rw_view2"
|
|
DETAIL: Failing row contains (2, 30, 16).
|
|
select * from checkdata();
|
|
tbname | id | a | b
|
|
-------------+----+----+----
|
|
base_tbl | 1 | 10 | 5
|
|
base_tbl | 1 | 19 | 16
|
|
base_tbl | 2 | 10 | 16
|
|
foreign_tbl | 1 | 10 | 5
|
|
foreign_tbl | 1 | 19 | 16
|
|
foreign_tbl | 2 | 10 | 16
|
|
rw_view2 | 2 | 10 | 16
|
|
(7 rows)
|
|
|
|
DROP TRIGGER row_before_insupd_trigger ON base_tbl;
|
|
DROP FUNCTION row_before_insupd_trigfunc;
|
|
DROP FUNCTION checkdata;
|
|
DROP VIEW rw_view1 cascade;
|
|
DROP VIEW rw_view2 cascade;
|
|
DROP FOREIGN TABLE foreign_tbl CASCADE;
|
|
DROP TABLE base_tbl CASCADE;
|
|
-- ======================================================================================================================================
|
|
-- TEST-MODULE: test serial columns (ie, sequence-based defaults)
|
|
-- --------------------------------------
|
|
-- ======================================================================================================================================
|
|
create table loc1 (f1 serial, f2 text);
|
|
NOTICE: CREATE TABLE will create implicit sequence "loc1_f1_seq" for serial column "loc1.f1"
|
|
alter table loc1 set (autovacuum_enabled = 'false');
|
|
create foreign table rem1 (f1 serial, f2 text)
|
|
server loopback options(table_name 'loc1');
|
|
NOTICE: CREATE FOREIGN TABLE will create implicit sequence "rem1_f1_seq" for serial column "rem1.f1"
|
|
select pg_catalog.setval('rem1_f1_seq', 10, false);
|
|
setval
|
|
--------
|
|
10
|
|
(1 row)
|
|
|
|
insert into loc1(f2) values('hi');
|
|
insert into rem1(f2) values('hi remote');
|
|
insert into loc1(f2) values('bye');
|
|
insert into rem1(f2) values('bye remote');
|
|
select * from loc1;
|
|
f1 | f2
|
|
----+------------
|
|
1 | hi
|
|
10 | hi remote
|
|
2 | bye
|
|
11 | bye remote
|
|
(4 rows)
|
|
|
|
select * from rem1;
|
|
f1 | f2
|
|
----+------------
|
|
1 | hi
|
|
10 | hi remote
|
|
2 | bye
|
|
11 | bye remote
|
|
(4 rows)
|
|
|
|
-- ======================================================================================================================================
|
|
-- TEST-MODULE: test generated columns
|
|
-- --------------------------------------
|
|
-- CURRENTLY NOT SUPPORT
|
|
-- ======================================================================================================================================
|
|
create table gloc1 (
|
|
a int,
|
|
b int generated always as (a * 2) stored);
|
|
alter table gloc1 set (autovacuum_enabled = 'false');
|
|
create foreign table grem1 (
|
|
a int,
|
|
b int generated always as (a * 2) stored)
|
|
server loopback options(table_name 'gloc1');
|
|
explain (verbose, costs off)
|
|
insert into grem1 (a) values (1), (2); --nspt
|
|
QUERY PLAN
|
|
---------------------------------------------------
|
|
Insert on public.grem1
|
|
-> Values Scan on "*VALUES*"
|
|
Output: "*VALUES*".column1, NULL::integer
|
|
(3 rows)
|
|
|
|
insert into grem1 (a) values (1), (2); --nspt
|
|
ERROR: cannot insert into column "b"
|
|
DETAIL: Column "b" is a generated column.
|
|
CONTEXT: Remote SQL command: INSERT INTO public.gloc1(a, b) VALUES ($1, $2)
|
|
explain (verbose, costs off)
|
|
update grem1 set a = 22 where a = 2;
|
|
QUERY PLAN
|
|
----------------------------------------------------------------------------------------------------------------
|
|
Update on public.grem1
|
|
-> Foreign Scan on public.grem1
|
|
Output: 22, b, ctid, tableoid
|
|
Node ID: 1
|
|
Remote SQL: SELECT b, ctid, tableoid FROM public.gloc1 WHERE ((a = 2)) FOR UPDATE
|
|
|
|
FDW remote plans:
|
|
Node 1: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT b, ctid, tableoid FROM public.gloc1 WHERE ((a = 2)) FOR UPDATE
|
|
LockRows
|
|
Output: b, ctid, tableoid, ctid
|
|
-> Seq Scan on public.gloc1
|
|
Output: b, ctid, tableoid, ctid
|
|
Filter: (gloc1.a = 2)
|
|
|
|
(14 rows)
|
|
|
|
update grem1 set a = 22 where a = 2;
|
|
select * from gloc1;
|
|
a | b
|
|
---+---
|
|
(0 rows)
|
|
|
|
select * from grem1;
|
|
a | b
|
|
---+---
|
|
(0 rows)
|
|
|
|
delete from grem1;
|
|
-- test copy from
|
|
copy grem1 from stdin;
|
|
ERROR: cannot insert into column "b"
|
|
DETAIL: Column "b" is a generated column.
|
|
CONTEXT: Remote SQL command: INSERT INTO public.gloc1(a, b) VALUES ($1, $2)
|
|
COPY grem1, line 1: "1"
|
|
select * from gloc1;
|
|
a | b
|
|
---+---
|
|
(0 rows)
|
|
|
|
select * from grem1;
|
|
a | b
|
|
---+---
|
|
(0 rows)
|
|
|
|
delete from grem1;
|
|
-- test batch insert
|
|
alter server loopback options (add batch_size '10');
|
|
ERROR: invalid option "batch_size"
|
|
HINT: Valid options in this context are: service, connect_timeout, dbname, host, remote_nodename, hostaddr, port, localhost, localport, application_name, fencedUdfRPCMode, keepalives, keepalives_idle, keepalives_interval, keepalives_count, tcp_user_timeout, rw_timeout, sslmode, sslcompression, sslcert, sslkey, sslrootcert, sslcrl, requirepeer, krbsrvname, prototype, connection_info, connectionExtraInfo, target_session_attrs, use_remote_estimate, fdw_startup_cost, fdw_tuple_cost, updatable
|
|
explain (verbose, costs off)
|
|
insert into grem1 (a) values (1), (2);
|
|
QUERY PLAN
|
|
---------------------------------------------------
|
|
Insert on public.grem1
|
|
-> Values Scan on "*VALUES*"
|
|
Output: "*VALUES*".column1, NULL::integer
|
|
(3 rows)
|
|
|
|
insert into grem1 (a) values (1), (2);
|
|
ERROR: cannot insert into column "b"
|
|
DETAIL: Column "b" is a generated column.
|
|
CONTEXT: Remote SQL command: INSERT INTO public.gloc1(a, b) VALUES ($1, $2)
|
|
select * from gloc1;
|
|
a | b
|
|
---+---
|
|
(0 rows)
|
|
|
|
select * from grem1;
|
|
a | b
|
|
---+---
|
|
(0 rows)
|
|
|
|
delete from grem1;
|
|
alter server loopback options (drop batch_size);
|
|
ERROR: option "batch_size" not found
|
|
-- ======================================================================================================================================
|
|
-- TEST-MODULE: test local triggers
|
|
-- --------------------------------------
|
|
-- openGauss not support create trigger on foreign table, so this module is unuseful.
|
|
-- we adapt the test to create trigger on base table of foreign table.
|
|
-- ======================================================================================================================================
|
|
create table tglog(id serial, context text);
|
|
NOTICE: CREATE TABLE will create implicit sequence "tglog_id_seq" for serial column "tglog.id"
|
|
create table previd(a int);
|
|
insert into previd values(0);
|
|
create or replace function showtrigger(id out int, context out text) returns setof record LANGUAGE plpgsql as
|
|
$$
|
|
DECLARE
|
|
r RECORD;
|
|
prev int;
|
|
BEGIN
|
|
select max(a) from previd into prev;
|
|
update previd set a = (select max(id) from tglog);
|
|
|
|
FOR r IN SELECT * FROM tglog where id > prev ORDER BY id
|
|
LOOP
|
|
id := r.id;
|
|
context := r.context;
|
|
return next;
|
|
END LOOP;
|
|
END;$$;
|
|
|
|
-- Trigger functions "borrowed" from triggers regress test.
|
|
CREATE FUNCTION trigger_func() RETURNS trigger LANGUAGE plpgsql AS $$
|
|
BEGIN
|
|
insert into tglog(context) values(
|
|
format('trigger_func(%s) called: action = %s, when = %s, level = %s',
|
|
TG_ARGV[0], TG_OP, TG_WHEN, TG_LEVEL));
|
|
RETURN NULL;
|
|
END;$$;
|
|
-- error, openGauss not support create trigger on foreign table
|
|
CREATE TRIGGER trig_stmt_before BEFORE DELETE OR INSERT OR UPDATE ON rem1
|
|
FOR EACH STATEMENT EXECUTE PROCEDURE trigger_func();
|
|
ERROR: "rem1" is not a table or view
|
|
CREATE TRIGGER trig_stmt_after AFTER DELETE OR INSERT OR UPDATE ON rem1
|
|
FOR EACH STATEMENT EXECUTE PROCEDURE trigger_func();
|
|
ERROR: "rem1" is not a table or view
|
|
-- success
|
|
CREATE TRIGGER trig_stmt_before BEFORE DELETE OR INSERT OR UPDATE ON loc1
|
|
FOR EACH STATEMENT EXECUTE PROCEDURE trigger_func();
|
|
CREATE TRIGGER trig_stmt_after AFTER DELETE OR INSERT OR UPDATE ON loc1
|
|
FOR EACH STATEMENT EXECUTE PROCEDURE trigger_func();
|
|
CREATE OR REPLACE FUNCTION trigger_data() RETURNS trigger
|
|
LANGUAGE plpgsql AS $$
|
|
|
|
declare
|
|
oldnew text[];
|
|
relid text;
|
|
argstr text;
|
|
begin
|
|
|
|
relid := TG_relid::regclass;
|
|
argstr := '';
|
|
for i in 0 .. TG_nargs - 1 loop
|
|
if i > 0 then
|
|
argstr := argstr || ', ';
|
|
end if;
|
|
argstr := argstr || TG_argv[i];
|
|
end loop;
|
|
|
|
insert into tglog(context) values(
|
|
format('%s(%s) %s %s %s ON %s',
|
|
tg_name, argstr, TG_when, TG_level, TG_OP, relid));
|
|
oldnew := '{}'::text[];
|
|
if TG_OP != 'INSERT' then
|
|
oldnew := array_append(oldnew, format('OLD: %s', OLD));
|
|
end if;
|
|
|
|
if TG_OP != 'DELETE' then
|
|
oldnew := array_append(oldnew, format('NEW: %s', NEW));
|
|
end if;
|
|
|
|
insert into tglog(context) values(
|
|
format('%s',
|
|
array_to_string(oldnew, ',')));
|
|
|
|
if TG_OP = 'DELETE' then
|
|
return OLD;
|
|
else
|
|
return NEW;
|
|
end if;
|
|
end;
|
|
$$;
|
|
-- Test basic functionality
|
|
CREATE TRIGGER trig_row_before
|
|
BEFORE INSERT OR UPDATE OR DELETE ON loc1
|
|
FOR EACH ROW EXECUTE PROCEDURE trigger_data(23,'skidoo');
|
|
CREATE TRIGGER trig_row_after
|
|
AFTER INSERT OR UPDATE OR DELETE ON loc1
|
|
FOR EACH ROW EXECUTE PROCEDURE trigger_data(23,'skidoo');
|
|
delete from rem1;
|
|
select * from showtrigger();
|
|
id | context
|
|
----+--------------------------------------------------------------------------
|
|
1 | trigger_func() called: action = DELETE, when = BEFORE, level = STATEMENT
|
|
2 | trig_row_before(23, skidoo) BEFORE ROW DELETE ON loc1
|
|
3 | OLD: (1,hi)
|
|
4 | trig_row_after(23, skidoo) AFTER ROW DELETE ON loc1
|
|
5 | OLD: (1,hi)
|
|
6 | trigger_func() called: action = DELETE, when = AFTER, level = STATEMENT
|
|
7 | trigger_func() called: action = DELETE, when = BEFORE, level = STATEMENT
|
|
8 | trig_row_before(23, skidoo) BEFORE ROW DELETE ON loc1
|
|
9 | OLD: (10,"hi remote")
|
|
10 | trig_row_after(23, skidoo) AFTER ROW DELETE ON loc1
|
|
11 | OLD: (10,"hi remote")
|
|
12 | trigger_func() called: action = DELETE, when = AFTER, level = STATEMENT
|
|
13 | trigger_func() called: action = DELETE, when = BEFORE, level = STATEMENT
|
|
14 | trig_row_before(23, skidoo) BEFORE ROW DELETE ON loc1
|
|
15 | OLD: (2,bye)
|
|
16 | trig_row_after(23, skidoo) AFTER ROW DELETE ON loc1
|
|
17 | OLD: (2,bye)
|
|
18 | trigger_func() called: action = DELETE, when = AFTER, level = STATEMENT
|
|
19 | trigger_func() called: action = DELETE, when = BEFORE, level = STATEMENT
|
|
20 | trig_row_before(23, skidoo) BEFORE ROW DELETE ON loc1
|
|
21 | OLD: (11,"bye remote")
|
|
22 | trig_row_after(23, skidoo) AFTER ROW DELETE ON loc1
|
|
23 | OLD: (11,"bye remote")
|
|
24 | trigger_func() called: action = DELETE, when = AFTER, level = STATEMENT
|
|
(24 rows)
|
|
|
|
insert into rem1 values(1,'insert');
|
|
select * from showtrigger();
|
|
id | context
|
|
----+--------------------------------------------------------------------------
|
|
25 | trigger_func() called: action = INSERT, when = BEFORE, level = STATEMENT
|
|
26 | trig_row_before(23, skidoo) BEFORE ROW INSERT ON loc1
|
|
27 | NEW: (1,insert)
|
|
28 | trig_row_after(23, skidoo) AFTER ROW INSERT ON loc1
|
|
29 | NEW: (1,insert)
|
|
30 | trigger_func() called: action = INSERT, when = AFTER, level = STATEMENT
|
|
(6 rows)
|
|
|
|
update rem1 set f2 = 'update' where f1 = 1;
|
|
select * from showtrigger();
|
|
id | context
|
|
----+--------------------------------------------------------------------------
|
|
31 | trigger_func() called: action = UPDATE, when = BEFORE, level = STATEMENT
|
|
32 | trig_row_before(23, skidoo) BEFORE ROW UPDATE ON loc1
|
|
33 | OLD: (1,insert),NEW: (1,update)
|
|
34 | trig_row_after(23, skidoo) AFTER ROW UPDATE ON loc1
|
|
35 | OLD: (1,insert),NEW: (1,update)
|
|
36 | trigger_func() called: action = UPDATE, when = AFTER, level = STATEMENT
|
|
(6 rows)
|
|
|
|
update rem1 set f2 = f2 || f2;
|
|
select * from showtrigger();
|
|
id | context
|
|
----+--------------------------------------------------------------------------
|
|
37 | trigger_func() called: action = UPDATE, when = BEFORE, level = STATEMENT
|
|
38 | trig_row_before(23, skidoo) BEFORE ROW UPDATE ON loc1
|
|
39 | OLD: (1,update),NEW: (1,updateupdate)
|
|
40 | trig_row_after(23, skidoo) AFTER ROW UPDATE ON loc1
|
|
41 | OLD: (1,update),NEW: (1,updateupdate)
|
|
42 | trigger_func() called: action = UPDATE, when = AFTER, level = STATEMENT
|
|
(6 rows)
|
|
|
|
-- cleanup
|
|
DROP TRIGGER trig_row_before ON loc1;
|
|
DROP TRIGGER trig_row_after ON loc1;
|
|
DROP TRIGGER trig_stmt_before ON loc1;
|
|
DROP TRIGGER trig_stmt_after ON loc1;
|
|
DELETE from rem1;
|
|
select * from showtrigger();
|
|
id | context
|
|
----+---------
|
|
(0 rows)
|
|
|
|
-- Test multiple AFTER ROW triggers on a foreign table
|
|
CREATE TRIGGER trig_row_after1
|
|
AFTER INSERT OR UPDATE OR DELETE ON loc1
|
|
FOR EACH ROW EXECUTE PROCEDURE trigger_data(23,'skidoo');
|
|
CREATE TRIGGER trig_row_after2
|
|
AFTER INSERT OR UPDATE OR DELETE ON loc1
|
|
FOR EACH ROW EXECUTE PROCEDURE trigger_data(23,'skidoo');
|
|
insert into rem1 values(1,'insert');
|
|
select * from showtrigger();
|
|
id | context
|
|
----+------------------------------------------------------
|
|
43 | trig_row_after1(23, skidoo) AFTER ROW INSERT ON loc1
|
|
44 | NEW: (1,insert)
|
|
45 | trig_row_after2(23, skidoo) AFTER ROW INSERT ON loc1
|
|
46 | NEW: (1,insert)
|
|
(4 rows)
|
|
|
|
update rem1 set f2 = 'update' where f1 = 1;
|
|
select * from showtrigger();
|
|
id | context
|
|
----+------------------------------------------------------
|
|
47 | trig_row_after1(23, skidoo) AFTER ROW UPDATE ON loc1
|
|
48 | OLD: (1,insert),NEW: (1,update)
|
|
49 | trig_row_after2(23, skidoo) AFTER ROW UPDATE ON loc1
|
|
50 | OLD: (1,insert),NEW: (1,update)
|
|
(4 rows)
|
|
|
|
update rem1 set f2 = f2 || f2;
|
|
select * from showtrigger();
|
|
id | context
|
|
----+------------------------------------------------------
|
|
51 | trig_row_after1(23, skidoo) AFTER ROW UPDATE ON loc1
|
|
52 | OLD: (1,update),NEW: (1,updateupdate)
|
|
53 | trig_row_after2(23, skidoo) AFTER ROW UPDATE ON loc1
|
|
54 | OLD: (1,update),NEW: (1,updateupdate)
|
|
(4 rows)
|
|
|
|
delete from rem1;
|
|
select * from showtrigger();
|
|
id | context
|
|
----+------------------------------------------------------
|
|
55 | trig_row_after1(23, skidoo) AFTER ROW DELETE ON loc1
|
|
56 | OLD: (1,updateupdate)
|
|
57 | trig_row_after2(23, skidoo) AFTER ROW DELETE ON loc1
|
|
58 | OLD: (1,updateupdate)
|
|
(4 rows)
|
|
|
|
-- cleanup
|
|
DROP TRIGGER trig_row_after1 ON loc1;
|
|
DROP TRIGGER trig_row_after2 ON loc1;
|
|
-- Test WHEN conditions
|
|
CREATE TRIGGER trig_row_before_insupd
|
|
BEFORE INSERT OR UPDATE ON loc1
|
|
FOR EACH ROW
|
|
WHEN (NEW.f2 like '%update%')
|
|
EXECUTE PROCEDURE trigger_data(23,'skidoo');
|
|
CREATE TRIGGER trig_row_after_insupd
|
|
AFTER INSERT OR UPDATE ON loc1
|
|
FOR EACH ROW
|
|
WHEN (NEW.f2 like '%update%')
|
|
EXECUTE PROCEDURE trigger_data(23,'skidoo');
|
|
-- Insert or update not matching: nothing happens
|
|
INSERT INTO rem1 values(1, 'insert');
|
|
select * from showtrigger();
|
|
id | context
|
|
----+---------
|
|
(0 rows)
|
|
|
|
UPDATE rem1 set f2 = 'test';
|
|
select * from showtrigger();
|
|
id | context
|
|
----+---------
|
|
(0 rows)
|
|
|
|
-- Insert or update matching: triggers are fired
|
|
INSERT INTO rem1 values(2, 'update');
|
|
select * from showtrigger();
|
|
id | context
|
|
----+--------------------------------------------------------------
|
|
59 | trig_row_before_insupd(23, skidoo) BEFORE ROW INSERT ON loc1
|
|
60 | NEW: (2,update)
|
|
61 | trig_row_after_insupd(23, skidoo) AFTER ROW INSERT ON loc1
|
|
62 | NEW: (2,update)
|
|
(4 rows)
|
|
|
|
UPDATE rem1 set f2 = 'update update' where f1 = '2';
|
|
select * from showtrigger();
|
|
id | context
|
|
----+--------------------------------------------------------------
|
|
63 | trig_row_before_insupd(23, skidoo) BEFORE ROW UPDATE ON loc1
|
|
64 | OLD: (2,update),NEW: (2,"update update")
|
|
65 | trig_row_after_insupd(23, skidoo) AFTER ROW UPDATE ON loc1
|
|
66 | OLD: (2,update),NEW: (2,"update update")
|
|
(4 rows)
|
|
|
|
CREATE TRIGGER trig_row_before_delete
|
|
BEFORE DELETE ON loc1
|
|
FOR EACH ROW
|
|
WHEN (OLD.f2 like '%update%')
|
|
EXECUTE PROCEDURE trigger_data(23,'skidoo');
|
|
CREATE TRIGGER trig_row_after_delete
|
|
AFTER DELETE ON loc1
|
|
FOR EACH ROW
|
|
WHEN (OLD.f2 like '%update%')
|
|
EXECUTE PROCEDURE trigger_data(23,'skidoo');
|
|
-- Trigger is fired for f1=2, not for f1=1
|
|
DELETE FROM rem1;
|
|
select * from showtrigger();
|
|
id | context
|
|
----+--------------------------------------------------------------
|
|
67 | trig_row_before_delete(23, skidoo) BEFORE ROW DELETE ON loc1
|
|
68 | OLD: (2,"update update")
|
|
69 | trig_row_after_delete(23, skidoo) AFTER ROW DELETE ON loc1
|
|
70 | OLD: (2,"update update")
|
|
(4 rows)
|
|
|
|
-- cleanup
|
|
DROP TRIGGER trig_row_before_insupd ON loc1;
|
|
DROP TRIGGER trig_row_after_insupd ON loc1;
|
|
DROP TRIGGER trig_row_before_delete ON loc1;
|
|
DROP TRIGGER trig_row_after_delete ON loc1;
|
|
-- Test various RETURN statements in BEFORE triggers.
|
|
CREATE FUNCTION trig_row_before_insupdate() RETURNS TRIGGER AS $$
|
|
BEGIN
|
|
NEW.f2 := NEW.f2 || ' triggered !';
|
|
RETURN NEW;
|
|
END
|
|
$$ language plpgsql;
|
|
CREATE TRIGGER trig_row_before_insupd
|
|
BEFORE INSERT OR UPDATE ON loc1
|
|
FOR EACH ROW EXECUTE PROCEDURE trig_row_before_insupdate();
|
|
-- The new values should have 'triggered' appended
|
|
INSERT INTO rem1 values(1, 'insert');
|
|
select * from showtrigger();
|
|
id | context
|
|
----+---------
|
|
(0 rows)
|
|
|
|
SELECT * from loc1;
|
|
f1 | f2
|
|
----+--------------------
|
|
1 | insert triggered !
|
|
(1 row)
|
|
|
|
INSERT INTO rem1 values(2, 'insert') RETURNING f2;
|
|
f2
|
|
--------------------
|
|
insert triggered !
|
|
(1 row)
|
|
|
|
select * from showtrigger();
|
|
id | context
|
|
----+---------
|
|
(0 rows)
|
|
|
|
SELECT * from loc1;
|
|
f1 | f2
|
|
----+--------------------
|
|
1 | insert triggered !
|
|
2 | insert triggered !
|
|
(2 rows)
|
|
|
|
UPDATE rem1 set f2 = '';
|
|
select * from showtrigger();
|
|
id | context
|
|
----+---------
|
|
(0 rows)
|
|
|
|
SELECT * from loc1;
|
|
f1 | f2
|
|
----+--------------
|
|
1 | triggered !
|
|
2 | triggered !
|
|
(2 rows)
|
|
|
|
UPDATE rem1 set f2 = 'skidoo' RETURNING f2;
|
|
f2
|
|
--------------------
|
|
skidoo triggered !
|
|
skidoo triggered !
|
|
(2 rows)
|
|
|
|
select * from showtrigger();
|
|
id | context
|
|
----+---------
|
|
(0 rows)
|
|
|
|
SELECT * from loc1;
|
|
f1 | f2
|
|
----+--------------------
|
|
1 | skidoo triggered !
|
|
2 | skidoo triggered !
|
|
(2 rows)
|
|
|
|
EXPLAIN (verbose, costs off)
|
|
UPDATE rem1 set f1 = 10; -- all columns should be transmitted
|
|
QUERY PLAN
|
|
------------------------------------------------------------------------------------------------
|
|
Update on public.rem1
|
|
-> Foreign Scan on public.rem1
|
|
Output: 10, f2, ctid, tableoid
|
|
Node ID: 1
|
|
Remote SQL: SELECT f2, ctid, tableoid FROM public.loc1 FOR UPDATE
|
|
|
|
FDW remote plans:
|
|
Node 1: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT f2, ctid, tableoid FROM public.loc1 FOR UPDATE
|
|
LockRows
|
|
Output: f2, ctid, tableoid, ctid
|
|
-> Seq Scan on public.loc1
|
|
Output: f2, ctid, tableoid, ctid
|
|
|
|
(13 rows)
|
|
|
|
select * from showtrigger();
|
|
id | context
|
|
----+---------
|
|
(0 rows)
|
|
|
|
UPDATE rem1 set f1 = 10;
|
|
select * from showtrigger();
|
|
id | context
|
|
----+---------
|
|
(0 rows)
|
|
|
|
SELECT * from loc1;
|
|
f1 | f2
|
|
----+--------------------------------
|
|
10 | skidoo triggered ! triggered !
|
|
10 | skidoo triggered ! triggered !
|
|
(2 rows)
|
|
|
|
DELETE FROM rem1;
|
|
select * from showtrigger();
|
|
id | context
|
|
----+---------
|
|
(0 rows)
|
|
|
|
-- Add a second trigger, to check that the changes are propagated correctly
|
|
-- from trigger to trigger
|
|
CREATE TRIGGER trig_row_before_insupd2
|
|
BEFORE INSERT OR UPDATE ON loc1
|
|
FOR EACH ROW EXECUTE PROCEDURE trig_row_before_insupdate();
|
|
INSERT INTO rem1 values(1, 'insert');
|
|
select * from showtrigger();
|
|
id | context
|
|
----+---------
|
|
(0 rows)
|
|
|
|
SELECT * from loc1;
|
|
f1 | f2
|
|
----+--------------------------------
|
|
1 | insert triggered ! triggered !
|
|
(1 row)
|
|
|
|
INSERT INTO rem1 values(2, 'insert') RETURNING f2;
|
|
f2
|
|
--------------------------------
|
|
insert triggered ! triggered !
|
|
(1 row)
|
|
|
|
select * from showtrigger();
|
|
id | context
|
|
----+---------
|
|
(0 rows)
|
|
|
|
SELECT * from loc1;
|
|
f1 | f2
|
|
----+--------------------------------
|
|
1 | insert triggered ! triggered !
|
|
2 | insert triggered ! triggered !
|
|
(2 rows)
|
|
|
|
UPDATE rem1 set f2 = '';
|
|
select * from showtrigger();
|
|
id | context
|
|
----+---------
|
|
(0 rows)
|
|
|
|
SELECT * from loc1;
|
|
f1 | f2
|
|
----+--------------------------
|
|
1 | triggered ! triggered !
|
|
2 | triggered ! triggered !
|
|
(2 rows)
|
|
|
|
UPDATE rem1 set f2 = 'skidoo' RETURNING f2;
|
|
f2
|
|
--------------------------------
|
|
skidoo triggered ! triggered !
|
|
skidoo triggered ! triggered !
|
|
(2 rows)
|
|
|
|
select * from showtrigger();
|
|
id | context
|
|
----+---------
|
|
(0 rows)
|
|
|
|
SELECT * from loc1;
|
|
f1 | f2
|
|
----+--------------------------------
|
|
1 | skidoo triggered ! triggered !
|
|
2 | skidoo triggered ! triggered !
|
|
(2 rows)
|
|
|
|
DROP TRIGGER trig_row_before_insupd ON loc1;
|
|
DROP TRIGGER trig_row_before_insupd2 ON loc1;
|
|
DELETE from rem1;
|
|
select * from showtrigger();
|
|
id | context
|
|
----+---------
|
|
(0 rows)
|
|
|
|
INSERT INTO rem1 VALUES (1, 'test');
|
|
select * from showtrigger();
|
|
id | context
|
|
----+---------
|
|
(0 rows)
|
|
|
|
-- Test with a trigger returning NULL
|
|
CREATE FUNCTION trig_null() RETURNS TRIGGER AS $$
|
|
BEGIN
|
|
RETURN NULL;
|
|
END
|
|
$$ language plpgsql;
|
|
CREATE TRIGGER trig_null
|
|
BEFORE INSERT OR UPDATE OR DELETE ON loc1
|
|
FOR EACH ROW EXECUTE PROCEDURE trig_null();
|
|
-- Nothing should have changed.
|
|
INSERT INTO rem1 VALUES (2, 'test2');
|
|
select * from showtrigger();
|
|
id | context
|
|
----+---------
|
|
(0 rows)
|
|
|
|
SELECT * from loc1;
|
|
f1 | f2
|
|
----+------
|
|
1 | test
|
|
(1 row)
|
|
|
|
UPDATE rem1 SET f2 = 'test2';
|
|
select * from showtrigger();
|
|
id | context
|
|
----+---------
|
|
(0 rows)
|
|
|
|
SELECT * from loc1;
|
|
f1 | f2
|
|
----+------
|
|
1 | test
|
|
(1 row)
|
|
|
|
DELETE from rem1;
|
|
select * from showtrigger();
|
|
id | context
|
|
----+---------
|
|
(0 rows)
|
|
|
|
SELECT * from loc1;
|
|
f1 | f2
|
|
----+------
|
|
1 | test
|
|
(1 row)
|
|
|
|
DROP TRIGGER trig_null ON loc1;
|
|
DELETE from rem1;
|
|
select * from showtrigger();
|
|
id | context
|
|
----+---------
|
|
(0 rows)
|
|
|
|
-- Test a combination of local and remote triggers
|
|
CREATE TRIGGER trig_row_before
|
|
BEFORE INSERT OR UPDATE OR DELETE ON loc1
|
|
FOR EACH ROW EXECUTE PROCEDURE trigger_data(23,'skidoo');
|
|
CREATE TRIGGER trig_row_after
|
|
AFTER INSERT OR UPDATE OR DELETE ON loc1
|
|
FOR EACH ROW EXECUTE PROCEDURE trigger_data(23,'skidoo');
|
|
CREATE TRIGGER trig_local_before BEFORE INSERT OR UPDATE ON loc1
|
|
FOR EACH ROW EXECUTE PROCEDURE trig_row_before_insupdate();
|
|
INSERT INTO rem1(f2) VALUES ('test');
|
|
select * from showtrigger();
|
|
id | context
|
|
----+-------------------------------------------------------
|
|
71 | trig_row_before(23, skidoo) BEFORE ROW INSERT ON loc1
|
|
72 | NEW: (12,"test triggered !")
|
|
73 | trig_row_after(23, skidoo) AFTER ROW INSERT ON loc1
|
|
74 | NEW: (12,"test triggered !")
|
|
(4 rows)
|
|
|
|
UPDATE rem1 SET f2 = 'testo';
|
|
select * from showtrigger();
|
|
id | context
|
|
----+------------------------------------------------------------
|
|
75 | trig_row_before(23, skidoo) BEFORE ROW UPDATE ON loc1
|
|
76 | OLD: (12,"test triggered !"),NEW: (12,"testo triggered !")
|
|
77 | trig_row_after(23, skidoo) AFTER ROW UPDATE ON loc1
|
|
78 | OLD: (12,"test triggered !"),NEW: (12,"testo triggered !")
|
|
(4 rows)
|
|
|
|
-- Test returning a system attribute
|
|
INSERT INTO rem1(f2) VALUES ('test') RETURNING ctid;
|
|
ERROR: column "ctid" does not exist
|
|
LINE 1: INSERT INTO rem1(f2) VALUES ('test') RETURNING ctid;
|
|
^
|
|
CONTEXT: referenced column: ctid
|
|
select * from showtrigger();
|
|
id | context
|
|
----+---------
|
|
(0 rows)
|
|
|
|
-- cleanup
|
|
DROP TRIGGER trig_row_before ON loc1;
|
|
DROP TRIGGER trig_row_after ON loc1;
|
|
DROP TRIGGER trig_local_before ON loc1;
|
|
-- Test direct foreign table modification functionality
|
|
EXPLAIN (verbose, costs off)
|
|
DELETE FROM rem1; -- can be pushed down
|
|
QUERY PLAN
|
|
--------------------------------------------------------------------------------------------
|
|
Delete on public.rem1
|
|
-> Foreign Scan on public.rem1
|
|
Output: ctid, tableoid
|
|
Node ID: 1
|
|
Remote SQL: SELECT ctid, tableoid FROM public.loc1 FOR UPDATE
|
|
|
|
FDW remote plans:
|
|
Node 1: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT ctid, tableoid FROM public.loc1 FOR UPDATE
|
|
LockRows
|
|
Output: ctid, tableoid, ctid
|
|
-> Seq Scan on public.loc1
|
|
Output: ctid, tableoid, ctid
|
|
|
|
(13 rows)
|
|
|
|
EXPLAIN (verbose, costs off)
|
|
DELETE FROM rem1 WHERE false; -- currently can't be pushed down
|
|
QUERY PLAN
|
|
--------------------------------------------------------------------------------------------
|
|
Delete on public.rem1
|
|
-> Result
|
|
Output: ctid, tableoid
|
|
One-Time Filter: false
|
|
-> Foreign Scan on public.rem1
|
|
Output: ctid, tableoid
|
|
Node ID: 1
|
|
Remote SQL: SELECT ctid, tableoid FROM public.loc1 FOR UPDATE
|
|
|
|
FDW remote plans:
|
|
Node 1: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT ctid, tableoid FROM public.loc1 FOR UPDATE
|
|
LockRows
|
|
Output: ctid, tableoid, ctid
|
|
-> Seq Scan on public.loc1
|
|
Output: ctid, tableoid, ctid
|
|
|
|
(16 rows)
|
|
|
|
-- Test with statement-level triggers
|
|
CREATE TRIGGER trig_stmt_before
|
|
BEFORE DELETE OR INSERT OR UPDATE ON loc1
|
|
FOR EACH STATEMENT EXECUTE PROCEDURE trigger_func();
|
|
EXPLAIN (verbose, costs off)
|
|
UPDATE rem1 set f2 = ''; -- can be pushed down
|
|
QUERY PLAN
|
|
------------------------------------------------------------------------------------------------
|
|
Update on public.rem1
|
|
-> Foreign Scan on public.rem1
|
|
Output: f1, NULL::text, ctid, tableoid
|
|
Node ID: 1
|
|
Remote SQL: SELECT f1, ctid, tableoid FROM public.loc1 FOR UPDATE
|
|
|
|
FDW remote plans:
|
|
Node 1: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT f1, ctid, tableoid FROM public.loc1 FOR UPDATE
|
|
LockRows
|
|
Output: f1, ctid, tableoid, ctid
|
|
-> Seq Scan on public.loc1
|
|
Output: f1, ctid, tableoid, ctid
|
|
|
|
(13 rows)
|
|
|
|
EXPLAIN (verbose, costs off)
|
|
DELETE FROM rem1; -- can be pushed down
|
|
QUERY PLAN
|
|
--------------------------------------------------------------------------------------------
|
|
Delete on public.rem1
|
|
-> Foreign Scan on public.rem1
|
|
Output: ctid, tableoid
|
|
Node ID: 1
|
|
Remote SQL: SELECT ctid, tableoid FROM public.loc1 FOR UPDATE
|
|
|
|
FDW remote plans:
|
|
Node 1: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT ctid, tableoid FROM public.loc1 FOR UPDATE
|
|
LockRows
|
|
Output: ctid, tableoid, ctid
|
|
-> Seq Scan on public.loc1
|
|
Output: ctid, tableoid, ctid
|
|
|
|
(13 rows)
|
|
|
|
DROP TRIGGER trig_stmt_before ON loc1;
|
|
CREATE TRIGGER trig_stmt_after
|
|
AFTER DELETE OR INSERT OR UPDATE ON loc1
|
|
FOR EACH STATEMENT EXECUTE PROCEDURE trigger_func();
|
|
EXPLAIN (verbose, costs off)
|
|
UPDATE rem1 set f2 = ''; -- can be pushed down
|
|
QUERY PLAN
|
|
------------------------------------------------------------------------------------------------
|
|
Update on public.rem1
|
|
-> Foreign Scan on public.rem1
|
|
Output: f1, NULL::text, ctid, tableoid
|
|
Node ID: 1
|
|
Remote SQL: SELECT f1, ctid, tableoid FROM public.loc1 FOR UPDATE
|
|
|
|
FDW remote plans:
|
|
Node 1: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT f1, ctid, tableoid FROM public.loc1 FOR UPDATE
|
|
LockRows
|
|
Output: f1, ctid, tableoid, ctid
|
|
-> Seq Scan on public.loc1
|
|
Output: f1, ctid, tableoid, ctid
|
|
|
|
(13 rows)
|
|
|
|
EXPLAIN (verbose, costs off)
|
|
DELETE FROM rem1; -- can be pushed down
|
|
QUERY PLAN
|
|
--------------------------------------------------------------------------------------------
|
|
Delete on public.rem1
|
|
-> Foreign Scan on public.rem1
|
|
Output: ctid, tableoid
|
|
Node ID: 1
|
|
Remote SQL: SELECT ctid, tableoid FROM public.loc1 FOR UPDATE
|
|
|
|
FDW remote plans:
|
|
Node 1: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT ctid, tableoid FROM public.loc1 FOR UPDATE
|
|
LockRows
|
|
Output: ctid, tableoid, ctid
|
|
-> Seq Scan on public.loc1
|
|
Output: ctid, tableoid, ctid
|
|
|
|
(13 rows)
|
|
|
|
DROP TRIGGER trig_stmt_after ON loc1;
|
|
-- Test with row-level ON INSERT triggers
|
|
CREATE TRIGGER trig_row_before_insert
|
|
BEFORE INSERT ON loc1
|
|
FOR EACH ROW EXECUTE PROCEDURE trigger_data(23,'skidoo');
|
|
EXPLAIN (verbose, costs off)
|
|
UPDATE rem1 set f2 = ''; -- can be pushed down
|
|
QUERY PLAN
|
|
------------------------------------------------------------------------------------------------
|
|
Update on public.rem1
|
|
-> Foreign Scan on public.rem1
|
|
Output: f1, NULL::text, ctid, tableoid
|
|
Node ID: 1
|
|
Remote SQL: SELECT f1, ctid, tableoid FROM public.loc1 FOR UPDATE
|
|
|
|
FDW remote plans:
|
|
Node 1: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT f1, ctid, tableoid FROM public.loc1 FOR UPDATE
|
|
LockRows
|
|
Output: f1, ctid, tableoid, ctid
|
|
-> Seq Scan on public.loc1
|
|
Output: f1, ctid, tableoid, ctid
|
|
|
|
(13 rows)
|
|
|
|
EXPLAIN (verbose, costs off)
|
|
DELETE FROM rem1; -- can be pushed down
|
|
QUERY PLAN
|
|
--------------------------------------------------------------------------------------------
|
|
Delete on public.rem1
|
|
-> Foreign Scan on public.rem1
|
|
Output: ctid, tableoid
|
|
Node ID: 1
|
|
Remote SQL: SELECT ctid, tableoid FROM public.loc1 FOR UPDATE
|
|
|
|
FDW remote plans:
|
|
Node 1: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT ctid, tableoid FROM public.loc1 FOR UPDATE
|
|
LockRows
|
|
Output: ctid, tableoid, ctid
|
|
-> Seq Scan on public.loc1
|
|
Output: ctid, tableoid, ctid
|
|
|
|
(13 rows)
|
|
|
|
DROP TRIGGER trig_row_before_insert ON loc1;
|
|
CREATE TRIGGER trig_row_after_insert
|
|
AFTER INSERT ON loc1
|
|
FOR EACH ROW EXECUTE PROCEDURE trigger_data(23,'skidoo');
|
|
EXPLAIN (verbose, costs off)
|
|
UPDATE rem1 set f2 = ''; -- can be pushed down
|
|
QUERY PLAN
|
|
------------------------------------------------------------------------------------------------
|
|
Update on public.rem1
|
|
-> Foreign Scan on public.rem1
|
|
Output: f1, NULL::text, ctid, tableoid
|
|
Node ID: 1
|
|
Remote SQL: SELECT f1, ctid, tableoid FROM public.loc1 FOR UPDATE
|
|
|
|
FDW remote plans:
|
|
Node 1: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT f1, ctid, tableoid FROM public.loc1 FOR UPDATE
|
|
LockRows
|
|
Output: f1, ctid, tableoid, ctid
|
|
-> Seq Scan on public.loc1
|
|
Output: f1, ctid, tableoid, ctid
|
|
|
|
(13 rows)
|
|
|
|
EXPLAIN (verbose, costs off)
|
|
DELETE FROM rem1; -- can be pushed down
|
|
QUERY PLAN
|
|
--------------------------------------------------------------------------------------------
|
|
Delete on public.rem1
|
|
-> Foreign Scan on public.rem1
|
|
Output: ctid, tableoid
|
|
Node ID: 1
|
|
Remote SQL: SELECT ctid, tableoid FROM public.loc1 FOR UPDATE
|
|
|
|
FDW remote plans:
|
|
Node 1: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT ctid, tableoid FROM public.loc1 FOR UPDATE
|
|
LockRows
|
|
Output: ctid, tableoid, ctid
|
|
-> Seq Scan on public.loc1
|
|
Output: ctid, tableoid, ctid
|
|
|
|
(13 rows)
|
|
|
|
DROP TRIGGER trig_row_after_insert ON loc1;
|
|
-- Test with row-level ON UPDATE triggers
|
|
CREATE TRIGGER trig_row_before_update
|
|
BEFORE UPDATE ON loc1
|
|
FOR EACH ROW EXECUTE PROCEDURE trigger_data(23,'skidoo');
|
|
EXPLAIN (verbose, costs off)
|
|
UPDATE rem1 set f2 = ''; -- can't be pushed down
|
|
QUERY PLAN
|
|
------------------------------------------------------------------------------------------------
|
|
Update on public.rem1
|
|
-> Foreign Scan on public.rem1
|
|
Output: f1, NULL::text, ctid, tableoid
|
|
Node ID: 1
|
|
Remote SQL: SELECT f1, ctid, tableoid FROM public.loc1 FOR UPDATE
|
|
|
|
FDW remote plans:
|
|
Node 1: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT f1, ctid, tableoid FROM public.loc1 FOR UPDATE
|
|
LockRows
|
|
Output: f1, ctid, tableoid, ctid
|
|
-> Seq Scan on public.loc1
|
|
Output: f1, ctid, tableoid, ctid
|
|
|
|
(13 rows)
|
|
|
|
EXPLAIN (verbose, costs off)
|
|
DELETE FROM rem1; -- can be pushed down
|
|
QUERY PLAN
|
|
--------------------------------------------------------------------------------------------
|
|
Delete on public.rem1
|
|
-> Foreign Scan on public.rem1
|
|
Output: ctid, tableoid
|
|
Node ID: 1
|
|
Remote SQL: SELECT ctid, tableoid FROM public.loc1 FOR UPDATE
|
|
|
|
FDW remote plans:
|
|
Node 1: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT ctid, tableoid FROM public.loc1 FOR UPDATE
|
|
LockRows
|
|
Output: ctid, tableoid, ctid
|
|
-> Seq Scan on public.loc1
|
|
Output: ctid, tableoid, ctid
|
|
|
|
(13 rows)
|
|
|
|
DROP TRIGGER trig_row_before_update ON loc1;
|
|
CREATE TRIGGER trig_row_after_update
|
|
AFTER UPDATE ON loc1
|
|
FOR EACH ROW EXECUTE PROCEDURE trigger_data(23,'skidoo');
|
|
EXPLAIN (verbose, costs off)
|
|
UPDATE rem1 set f2 = ''; -- can't be pushed down
|
|
QUERY PLAN
|
|
------------------------------------------------------------------------------------------------
|
|
Update on public.rem1
|
|
-> Foreign Scan on public.rem1
|
|
Output: f1, NULL::text, ctid, tableoid
|
|
Node ID: 1
|
|
Remote SQL: SELECT f1, ctid, tableoid FROM public.loc1 FOR UPDATE
|
|
|
|
FDW remote plans:
|
|
Node 1: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT f1, ctid, tableoid FROM public.loc1 FOR UPDATE
|
|
LockRows
|
|
Output: f1, ctid, tableoid, ctid
|
|
-> Seq Scan on public.loc1
|
|
Output: f1, ctid, tableoid, ctid
|
|
|
|
(13 rows)
|
|
|
|
EXPLAIN (verbose, costs off)
|
|
DELETE FROM rem1; -- can be pushed down
|
|
QUERY PLAN
|
|
--------------------------------------------------------------------------------------------
|
|
Delete on public.rem1
|
|
-> Foreign Scan on public.rem1
|
|
Output: ctid, tableoid
|
|
Node ID: 1
|
|
Remote SQL: SELECT ctid, tableoid FROM public.loc1 FOR UPDATE
|
|
|
|
FDW remote plans:
|
|
Node 1: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT ctid, tableoid FROM public.loc1 FOR UPDATE
|
|
LockRows
|
|
Output: ctid, tableoid, ctid
|
|
-> Seq Scan on public.loc1
|
|
Output: ctid, tableoid, ctid
|
|
|
|
(13 rows)
|
|
|
|
DROP TRIGGER trig_row_after_update ON loc1;
|
|
-- Test with row-level ON DELETE triggers
|
|
CREATE TRIGGER trig_row_before_delete
|
|
BEFORE DELETE ON loc1
|
|
FOR EACH ROW EXECUTE PROCEDURE trigger_data(23,'skidoo');
|
|
EXPLAIN (verbose, costs off)
|
|
UPDATE rem1 set f2 = ''; -- can be pushed down
|
|
QUERY PLAN
|
|
------------------------------------------------------------------------------------------------
|
|
Update on public.rem1
|
|
-> Foreign Scan on public.rem1
|
|
Output: f1, NULL::text, ctid, tableoid
|
|
Node ID: 1
|
|
Remote SQL: SELECT f1, ctid, tableoid FROM public.loc1 FOR UPDATE
|
|
|
|
FDW remote plans:
|
|
Node 1: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT f1, ctid, tableoid FROM public.loc1 FOR UPDATE
|
|
LockRows
|
|
Output: f1, ctid, tableoid, ctid
|
|
-> Seq Scan on public.loc1
|
|
Output: f1, ctid, tableoid, ctid
|
|
|
|
(13 rows)
|
|
|
|
EXPLAIN (verbose, costs off)
|
|
DELETE FROM rem1; -- can't be pushed down
|
|
QUERY PLAN
|
|
--------------------------------------------------------------------------------------------
|
|
Delete on public.rem1
|
|
-> Foreign Scan on public.rem1
|
|
Output: ctid, tableoid
|
|
Node ID: 1
|
|
Remote SQL: SELECT ctid, tableoid FROM public.loc1 FOR UPDATE
|
|
|
|
FDW remote plans:
|
|
Node 1: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT ctid, tableoid FROM public.loc1 FOR UPDATE
|
|
LockRows
|
|
Output: ctid, tableoid, ctid
|
|
-> Seq Scan on public.loc1
|
|
Output: ctid, tableoid, ctid
|
|
|
|
(13 rows)
|
|
|
|
DROP TRIGGER trig_row_before_delete ON loc1;
|
|
CREATE TRIGGER trig_row_after_delete
|
|
AFTER DELETE ON loc1
|
|
FOR EACH ROW EXECUTE PROCEDURE trigger_data(23,'skidoo');
|
|
EXPLAIN (verbose, costs off)
|
|
UPDATE rem1 set f2 = ''; -- can be pushed down
|
|
QUERY PLAN
|
|
------------------------------------------------------------------------------------------------
|
|
Update on public.rem1
|
|
-> Foreign Scan on public.rem1
|
|
Output: f1, NULL::text, ctid, tableoid
|
|
Node ID: 1
|
|
Remote SQL: SELECT f1, ctid, tableoid FROM public.loc1 FOR UPDATE
|
|
|
|
FDW remote plans:
|
|
Node 1: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT f1, ctid, tableoid FROM public.loc1 FOR UPDATE
|
|
LockRows
|
|
Output: f1, ctid, tableoid, ctid
|
|
-> Seq Scan on public.loc1
|
|
Output: f1, ctid, tableoid, ctid
|
|
|
|
(13 rows)
|
|
|
|
EXPLAIN (verbose, costs off)
|
|
DELETE FROM rem1; -- can't be pushed down
|
|
QUERY PLAN
|
|
--------------------------------------------------------------------------------------------
|
|
Delete on public.rem1
|
|
-> Foreign Scan on public.rem1
|
|
Output: ctid, tableoid
|
|
Node ID: 1
|
|
Remote SQL: SELECT ctid, tableoid FROM public.loc1 FOR UPDATE
|
|
|
|
FDW remote plans:
|
|
Node 1: EXPLAIN (VERBOSE ON, COSTS OFF) SELECT ctid, tableoid FROM public.loc1 FOR UPDATE
|
|
LockRows
|
|
Output: ctid, tableoid, ctid
|
|
-> Seq Scan on public.loc1
|
|
Output: ctid, tableoid, ctid
|
|
|
|
(13 rows)
|
|
|
|
DROP TRIGGER trig_row_after_delete ON loc1;
|
|
-- ======================================================================================================================================
|
|
-- TEST-MODULE: test inheritance features
|
|
-- --------------------------------------
|
|
-- openGauss not support this feature. and cannot fix, remove all test case.
|
|
-- ======================================================================================================================================
|
|
-- ======================================================================================================================================
|
|
-- TEST-MODULE: test tuple routing for foreign-table partitions
|
|
-- --------------------------------------
|
|
-- partition table is different between openGauss and pg, and cannot fix these test cases, remove all.
|
|
-- ======================================================================================================================================
|
|
-- ======================================================================================================================================
|
|
-- TEST-MODULE: test COPY FROM
|
|
-- --------------------------------------
|
|
-- ======================================================================================================================================
|
|
create table loc2 (f1 int, f2 text);
|
|
alter table loc2 set (autovacuum_enabled = 'false');
|
|
create foreign table rem2 (f1 int, f2 text) server loopback options(table_name 'loc2');
|
|
-- Test basic functionality
|
|
copy rem2 from stdin;
|
|
select * from rem2;
|
|
f1 | f2
|
|
----+-----
|
|
1 | foo
|
|
2 | bar
|
|
(2 rows)
|
|
|
|
delete from rem2;
|
|
-- Test check constraints
|
|
alter table loc2 add constraint loc2_f1positive check (f1 >= 0);
|
|
--nspt alter foreign table rem2 add constraint rem2_f1positive check (f1 >= 0);
|
|
-- check constraint is enforced on the remote side, not locally
|
|
copy rem2 from stdin;
|
|
copy rem2 from stdin; -- ERROR
|
|
ERROR: new row for relation "loc2" violates check constraint "loc2_f1positive"
|
|
DETAIL: N/A
|
|
CONTEXT: Remote SQL command: INSERT INTO public.loc2(f1, f2) VALUES ($1, $2)
|
|
COPY rem2, line 1: "-1 xyzzy"
|
|
select * from rem2;
|
|
f1 | f2
|
|
----+-----
|
|
1 | foo
|
|
2 | bar
|
|
(2 rows)
|
|
|
|
--nspt alter foreign table rem2 drop constraint rem2_f1positive;
|
|
alter table loc2 drop constraint loc2_f1positive;
|
|
delete from rem2;
|
|
-- Test local triggers
|
|
create trigger trig_stmt_before before insert on loc2
|
|
for each statement execute procedure trigger_func();
|
|
create trigger trig_stmt_after after insert on loc2
|
|
for each statement execute procedure trigger_func();
|
|
create trigger trig_row_before before insert on loc2
|
|
for each row execute procedure trigger_data(23,'skidoo');
|
|
create trigger trig_row_after after insert on loc2
|
|
for each row execute procedure trigger_data(23,'skidoo');
|
|
copy rem2 from stdin;
|
|
select * from showtrigger();
|
|
id | context
|
|
----+--------------------------------------------------------------------------
|
|
79 | trigger_func() called: action = INSERT, when = BEFORE, level = STATEMENT
|
|
80 | trig_row_before(23, skidoo) BEFORE ROW INSERT ON loc2
|
|
81 | NEW: (1,foo)
|
|
82 | trig_row_after(23, skidoo) AFTER ROW INSERT ON loc2
|
|
83 | NEW: (1,foo)
|
|
84 | trigger_func() called: action = INSERT, when = AFTER, level = STATEMENT
|
|
85 | trigger_func() called: action = INSERT, when = BEFORE, level = STATEMENT
|
|
86 | trig_row_before(23, skidoo) BEFORE ROW INSERT ON loc2
|
|
87 | NEW: (2,bar)
|
|
88 | trig_row_after(23, skidoo) AFTER ROW INSERT ON loc2
|
|
89 | NEW: (2,bar)
|
|
90 | trigger_func() called: action = INSERT, when = AFTER, level = STATEMENT
|
|
(12 rows)
|
|
|
|
select * from rem2;
|
|
f1 | f2
|
|
----+-----
|
|
1 | foo
|
|
2 | bar
|
|
(2 rows)
|
|
|
|
drop trigger trig_row_before on loc2;
|
|
drop trigger trig_row_after on loc2;
|
|
drop trigger trig_stmt_before on loc2;
|
|
drop trigger trig_stmt_after on loc2;
|
|
delete from rem2;
|
|
select * from showtrigger();
|
|
id | context
|
|
----+---------
|
|
(0 rows)
|
|
|
|
create trigger trig_row_before_insert before insert on loc2
|
|
for each row execute procedure trig_row_before_insupdate();
|
|
-- The new values are concatenated with ' triggered !'
|
|
copy rem2 from stdin;
|
|
select * from showtrigger();
|
|
id | context
|
|
----+---------
|
|
(0 rows)
|
|
|
|
select * from rem2;
|
|
f1 | f2
|
|
----+-----------------
|
|
1 | foo triggered !
|
|
2 | bar triggered !
|
|
(2 rows)
|
|
|
|
drop trigger trig_row_before_insert on loc2;
|
|
delete from rem2;
|
|
create trigger trig_null before insert on loc2
|
|
for each row execute procedure trig_null();
|
|
-- Nothing happens
|
|
copy rem2 from stdin;
|
|
select * from showtrigger();
|
|
id | context
|
|
----+---------
|
|
(0 rows)
|
|
|
|
select * from rem2;
|
|
f1 | f2
|
|
----+----
|
|
(0 rows)
|
|
|
|
drop trigger trig_null on loc2;
|
|
delete from rem2;
|
|
-- Test remote triggers
|
|
create trigger trig_row_before_insert before insert on loc2
|
|
for each row execute procedure trig_row_before_insupdate();
|
|
-- The new values are concatenated with ' triggered !'
|
|
copy rem2 from stdin;
|
|
select * from showtrigger();
|
|
id | context
|
|
----+---------
|
|
(0 rows)
|
|
|
|
select * from rem2;
|
|
f1 | f2
|
|
----+-----------------
|
|
1 | foo triggered !
|
|
2 | bar triggered !
|
|
(2 rows)
|
|
|
|
drop trigger trig_row_before_insert on loc2;
|
|
delete from rem2;
|
|
create trigger trig_null before insert on loc2
|
|
for each row execute procedure trig_null();
|
|
-- Nothing happens
|
|
copy rem2 from stdin;
|
|
select * from showtrigger();
|
|
id | context
|
|
----+---------
|
|
(0 rows)
|
|
|
|
select * from rem2;
|
|
f1 | f2
|
|
----+----
|
|
(0 rows)
|
|
|
|
drop trigger trig_null on loc2;
|
|
delete from rem2;
|
|
-- Test a combination of local and remote triggers
|
|
create trigger rem2_trig_row_before before insert on loc2
|
|
for each row execute procedure trigger_data(23,'skidoo');
|
|
create trigger rem2_trig_row_after after insert on loc2
|
|
for each row execute procedure trigger_data(23,'skidoo');
|
|
create trigger loc2_trig_row_before_insert before insert on loc2
|
|
for each row execute procedure trig_row_before_insupdate();
|
|
copy rem2 from stdin;
|
|
select * from showtrigger();
|
|
id | context
|
|
----+------------------------------------------------------------
|
|
91 | rem2_trig_row_before(23, skidoo) BEFORE ROW INSERT ON loc2
|
|
92 | NEW: (1,"foo triggered !")
|
|
93 | rem2_trig_row_after(23, skidoo) AFTER ROW INSERT ON loc2
|
|
94 | NEW: (1,"foo triggered !")
|
|
95 | rem2_trig_row_before(23, skidoo) BEFORE ROW INSERT ON loc2
|
|
96 | NEW: (2,"bar triggered !")
|
|
97 | rem2_trig_row_after(23, skidoo) AFTER ROW INSERT ON loc2
|
|
98 | NEW: (2,"bar triggered !")
|
|
(8 rows)
|
|
|
|
select * from rem2;
|
|
f1 | f2
|
|
----+-----------------
|
|
1 | foo triggered !
|
|
2 | bar triggered !
|
|
(2 rows)
|
|
|
|
drop trigger rem2_trig_row_before on loc2;
|
|
drop trigger rem2_trig_row_after on loc2;
|
|
drop trigger loc2_trig_row_before_insert on loc2;
|
|
delete from rem2;
|
|
-- test COPY FROM with foreign table created in the same transaction
|
|
create table loc3 (f1 int, f2 text);
|
|
begin;
|
|
create foreign table rem3 (f1 int, f2 text)
|
|
server loopback options(table_name 'loc3');
|
|
copy rem3 from stdin;
|
|
select * from showtrigger();
|
|
id | context
|
|
----+---------
|
|
(0 rows)
|
|
|
|
commit;
|
|
select * from rem3;
|
|
f1 | f2
|
|
----+-----
|
|
1 | foo
|
|
2 | bar
|
|
(2 rows)
|
|
|
|
drop foreign table rem3;
|
|
drop table loc3;
|
|
-- ======================================================================================================================================
|
|
-- TEST-MODULE: test for TRUNCATE
|
|
-- --------------------------------------
|
|
-- openGauss not support this feature. However, some cases are still left for maintenance.
|
|
-- ======================================================================================================================================
|
|
CREATE TABLE tru_rtable0 (id int primary key);
|
|
NOTICE: CREATE TABLE / PRIMARY KEY will create implicit index "tru_rtable0_pkey" for table "tru_rtable0"
|
|
CREATE FOREIGN TABLE tru_ftable (id int)
|
|
SERVER loopback OPTIONS (table_name 'tru_rtable0');
|
|
INSERT INTO tru_rtable0 (SELECT x FROM generate_series(1,10) x);
|
|
CREATE TABLE tru_ptable (id int) PARTITION BY HASH(id)(
|
|
partition tru_ptable__p0,
|
|
partition tru_ptable__p1
|
|
);
|
|
CREATE FOREIGN TABLE tru_p_ftable (id int)
|
|
SERVER loopback OPTIONS (table_name 'tru_ptable');
|
|
INSERT INTO tru_ptable (SELECT x FROM generate_series(11,20) x);
|
|
CREATE TABLE tru_pk_table(id int primary key);
|
|
NOTICE: CREATE TABLE / PRIMARY KEY will create implicit index "tru_pk_table_pkey" for table "tru_pk_table"
|
|
CREATE TABLE tru_fk_table(fkey int references tru_pk_table(id));
|
|
INSERT INTO tru_pk_table (SELECT x FROM generate_series(1,10) x);
|
|
INSERT INTO tru_fk_table (SELECT x % 10 + 1 FROM generate_series(5,25) x);
|
|
CREATE FOREIGN TABLE tru_pk_ftable (id int)
|
|
SERVER loopback OPTIONS (table_name 'tru_pk_table');
|
|
-- normal truncate
|
|
SELECT sum(id) FROM tru_ftable; -- 55
|
|
sum
|
|
-----
|
|
55
|
|
(1 row)
|
|
|
|
TRUNCATE tru_ftable; -- nspt
|
|
ERROR: It is not supported to truncate foreign table "tru_ftable".
|
|
SELECT count(*) FROM tru_rtable0; -- 10
|
|
count
|
|
-------
|
|
10
|
|
(1 row)
|
|
|
|
SELECT count(*) FROM tru_ftable; -- 10
|
|
count
|
|
-------
|
|
10
|
|
(1 row)
|
|
|
|
-- partitioned table with both local and foreign tables as partitions
|
|
SELECT sum(id) FROM tru_p_ftable; -- 155
|
|
ERROR: could not operate foreign table on partitioned table
|
|
TRUNCATE tru_p_ftable;
|
|
ERROR: It is not supported to truncate foreign table "tru_p_ftable".
|
|
SELECT count(*) FROM tru_p_ftable; -- 0
|
|
ERROR: could not operate foreign table on partitioned table
|
|
SELECT count(*) FROM tru_p_ftable partition(tru_ptable__p0); -- 0
|
|
ERROR: relation "tru_p_ftable" is not partitioned table
|
|
DETAIL: N/A.
|
|
SELECT count(*) FROM tru_ptable partition(tru_ftable__p1); -- 0
|
|
ERROR: partition "tru_ftable__p1" of relation "tru_ptable" does not exist
|
|
SELECT count(*) FROM tru_ptable; -- 0
|
|
count
|
|
-------
|
|
10
|
|
(1 row)
|
|
|
|
-- 'CASCADE' option
|
|
SELECT sum(id) FROM tru_pk_ftable; -- 55
|
|
sum
|
|
-----
|
|
55
|
|
(1 row)
|
|
|
|
TRUNCATE tru_pk_ftable; -- nspt
|
|
ERROR: It is not supported to truncate foreign table "tru_pk_ftable".
|
|
TRUNCATE tru_pk_ftable CASCADE;
|
|
ERROR: It is not supported to truncate foreign table "tru_pk_ftable".
|
|
SELECT count(*) FROM tru_pk_ftable; -- 10
|
|
count
|
|
-------
|
|
10
|
|
(1 row)
|
|
|
|
SELECT count(*) FROM tru_fk_table; -- 21
|
|
count
|
|
-------
|
|
21
|
|
(1 row)
|
|
|
|
-- truncate two tables at a command
|
|
INSERT INTO tru_ftable (SELECT x FROM generate_series(1,8) x);
|
|
ERROR: duplicate key value violates unique constraint "tru_rtable0_pkey"
|
|
DETAIL: Key (id)=(1) already exists.
|
|
CONTEXT: Remote SQL command: INSERT INTO public.tru_rtable0(id) VALUES ($1)
|
|
INSERT INTO tru_pk_ftable (SELECT x FROM generate_series(3,10) x);
|
|
ERROR: duplicate key value violates unique constraint "tru_pk_table_pkey"
|
|
DETAIL: Key (id)=(3) already exists.
|
|
CONTEXT: Remote SQL command: INSERT INTO public.tru_pk_table(id) VALUES ($1)
|
|
SELECT count(*) from tru_ftable; -- 8
|
|
count
|
|
-------
|
|
10
|
|
(1 row)
|
|
|
|
SELECT count(*) from tru_pk_ftable; -- 8
|
|
count
|
|
-------
|
|
10
|
|
(1 row)
|
|
|
|
TRUNCATE tru_ftable, tru_pk_ftable CASCADE;
|
|
ERROR: It is not supported to truncate foreign table "tru_ftable".
|
|
SELECT count(*) from tru_ftable; -- 0
|
|
count
|
|
-------
|
|
10
|
|
(1 row)
|
|
|
|
SELECT count(*) from tru_pk_ftable; -- 0
|
|
count
|
|
-------
|
|
10
|
|
(1 row)
|
|
|
|
-- cleanup
|
|
DROP FOREIGN TABLE tru_pk_ftable,tru_ftable__p1,tru_ftable;
|
|
ERROR: foreign table "tru_ftable__p1" does not exist
|
|
DROP TABLE tru_rtable0, tru_ptable, tru_pk_table, tru_fk_table;
|
|
-- ======================================================================================================================================
|
|
-- TEST-MODULE: test IMPORT FOREIGN SCHEMA
|
|
-- --------------------------------------
|
|
-- openGauss not support this feature. However, some cases are still left for maintenance.
|
|
-- ======================================================================================================================================
|
|
CREATE SCHEMA import_source;
|
|
CREATE TABLE import_source.t1 (c1 int, c2 varchar NOT NULL);
|
|
CREATE SCHEMA import_dest1;
|
|
IMPORT FOREIGN SCHEMA import_source FROM SERVER loopback INTO import_dest1;
|
|
ERROR: syntax error at or near "IMPORT"
|
|
LINE 1: IMPORT FOREIGN SCHEMA import_source FROM SERVER loopback INT...
|
|
^
|
|
\det+ import_dest1.*
|
|
List of foreign tables
|
|
Schema | Table | Server | FDW Options | Description
|
|
--------+-------+--------+-------------+-------------
|
|
(0 rows)
|
|
|
|
\d import_dest1.*
|
|
-- ======================================================================================================================================
|
|
-- TEST-MODULE: test partitionwise joins
|
|
-- TEST-MODULE: test partitionwise aggregates
|
|
-- --------------------------------------
|
|
-- partition table is different between openGauss and pg, and cannot fix these test cases, remove all.
|
|
-- ======================================================================================================================================
|
|
-- nspt
|
|
-- ======================================================================================================================================
|
|
-- TEST-MODULE: access rights and superuser
|
|
-- --------------------------------------
|
|
-- some privileges is different between og and pg
|
|
-- ======================================================================================================================================
|
|
-- Non-superuser cannot create a FDW without a password in the connstr
|
|
CREATE ROLE regress_nosuper with password 'qwer@1234';
|
|
GRANT USAGE ON FOREIGN DATA WRAPPER postgres_fdw TO regress_nosuper;
|
|
grant all on schema public to regress_nosuper;
|
|
SET SESSION AUTHORIZATION regress_nosuper PASSWORD 'qwer@1234';
|
|
SHOW is_superuser; --nspt
|
|
ERROR: unrecognized configuration parameter "is_superuser"
|
|
-- This will be OK, we can create the FDW
|
|
DO $d$
|
|
BEGIN
|
|
EXECUTE $$CREATE SERVER loopback_nopw FOREIGN DATA WRAPPER postgres_fdw
|
|
OPTIONS (dbname '$$||current_database()||$$',
|
|
port '$$||current_setting('port')||$$'
|
|
)$$;
|
|
END;
|
|
$d$;
|
|
-- But creation of user mappings for non-superusers should fail
|
|
CREATE USER MAPPING FOR public SERVER loopback_nopw;
|
|
CREATE USER MAPPING FOR CURRENT_USER SERVER loopback_nopw;
|
|
CREATE FOREIGN TABLE ft1_nopw (
|
|
c1 int NOT NULL,
|
|
c2 int NOT NULL,
|
|
c3 text,
|
|
c4 timestamptz,
|
|
c5 timestamp,
|
|
c6 varchar(10),
|
|
c7 char(10) default 'ft1',
|
|
c8 text
|
|
) SERVER loopback_nopw OPTIONS (schema_name 'public', table_name 'ft1');
|
|
SELECT 1 FROM ft1_nopw LIMIT 1;
|
|
ERROR: password is required
|
|
DETAIL: Non-superusers must provide a password in the user mapping.
|
|
-- If we add a password to the connstr it'll fail, because we don't allow passwords
|
|
-- in connstrs only in user mappings.
|
|
DO $d$
|
|
BEGIN
|
|
EXECUTE $$ALTER SERVER loopback_nopw OPTIONS (ADD password 'qwer@1234')$$;
|
|
END;
|
|
$d$;
|
|
ERROR: invalid option "password"
|
|
HINT: Valid options in this context are: service, connect_timeout, dbname, host, remote_nodename, hostaddr, port, localhost, localport, application_name, fencedUdfRPCMode, keepalives, keepalives_idle, keepalives_interval, keepalives_count, tcp_user_timeout, rw_timeout, sslmode, sslcompression, sslcert, sslkey, sslrootcert, sslcrl, requirepeer, krbsrvname, prototype, connection_info, connectionExtraInfo, target_session_attrs, use_remote_estimate, fdw_startup_cost, fdw_tuple_cost, updatable
|
|
CONTEXT: SQL statement "ALTER SERVER loopback_nopw OPTIONS (ADD password '********')"
|
|
PL/pgSQL function inline_code_block line 3 at EXECUTE statement
|
|
-- If we add a password for our user mapping instead, we should get a different
|
|
-- error because the password wasn't actually *used* when we run with trust auth.
|
|
--
|
|
-- This won't work with installcheck, but neither will most of the FDW checks.
|
|
ALTER USER MAPPING FOR CURRENT_USER SERVER loopback_nopw OPTIONS (ADD password 'qwer@1234');
|
|
SELECT 1 FROM ft1_nopw LIMIT 1;
|
|
ERROR: password is required
|
|
DETAIL: Non-superuser cannot connect if the server does not request a password.
|
|
HINT: Target server's authentication method must be changed.
|
|
-- Unpriv user cannot make the mapping passwordless
|
|
ALTER USER MAPPING FOR CURRENT_USER SERVER loopback_nopw OPTIONS (ADD password_required 'false');
|
|
ERROR: invalid option "password_required"
|
|
HINT: Valid options in this context are: user, password
|
|
SELECT 1 FROM ft1_nopw LIMIT 1;
|
|
ERROR: password is required
|
|
DETAIL: Non-superuser cannot connect if the server does not request a password.
|
|
HINT: Target server's authentication method must be changed.
|
|
RESET ROLE;
|
|
-- But the superuser can
|
|
ALTER USER MAPPING FOR regress_nosuper SERVER loopback_nopw OPTIONS (ADD password_required 'false');
|
|
ERROR: invalid option "password_required"
|
|
HINT: Valid options in this context are: user, password
|
|
SET ROLE regress_nosuper;
|
|
ERROR: Invalid username/password,set role denied.
|
|
-- Should finally work now
|
|
SELECT 1 FROM ft1_nopw LIMIT 1;
|
|
ERROR: password is required
|
|
DETAIL: Non-superuser cannot connect if the server does not request a password.
|
|
HINT: Target server's authentication method must be changed.
|
|
-- unpriv user also cannot set sslcert / sslkey on the user mapping
|
|
-- first set password_required so we see the right error messages
|
|
ALTER USER MAPPING FOR CURRENT_USER SERVER loopback_nopw OPTIONS (SET password_required 'true');
|
|
ERROR: option "password_required" not found
|
|
ALTER USER MAPPING FOR CURRENT_USER SERVER loopback_nopw OPTIONS (ADD sslcert 'foo.crt');
|
|
ERROR: invalid option "sslcert"
|
|
HINT: Valid options in this context are: user, password
|
|
ALTER USER MAPPING FOR CURRENT_USER SERVER loopback_nopw OPTIONS (ADD sslkey 'foo.key');
|
|
ERROR: invalid option "sslkey"
|
|
HINT: Valid options in this context are: user, password
|
|
-- We're done with the role named after a specific user and need to check the
|
|
-- changes to the public mapping.
|
|
DROP USER MAPPING FOR CURRENT_USER SERVER loopback_nopw;
|
|
-- This will fail again as it'll resolve the user mapping for public, which
|
|
-- lacks password_required=false
|
|
SELECT 1 FROM ft1_nopw LIMIT 1;
|
|
ERROR: password is required
|
|
DETAIL: Non-superusers must provide a password in the user mapping.
|
|
\c
|
|
-- The user mapping for public is passwordless and lacks the password_required=false
|
|
-- mapping option, but will work because the current user is a superuser.
|
|
SELECT 1 FROM ft1_nopw LIMIT 1;
|
|
?column?
|
|
----------
|
|
1
|
|
(1 row)
|
|
|
|
-- cleanup
|
|
DROP USER MAPPING FOR public SERVER loopback_nopw;
|
|
DROP OWNED BY regress_nosuper;
|
|
DROP ROLE regress_nosuper;
|
|
-- Clean-up
|
|
RESET enable_partitionwise_aggregate;
|
|
ERROR: unrecognized configuration parameter "enable_partitionwise_aggregate"
|
|
-- Two-phase transactions are not supported.
|
|
BEGIN;
|
|
SELECT count(*) FROM ft1;
|
|
count
|
|
-------
|
|
822
|
|
(1 row)
|
|
|
|
-- error here
|
|
PREPARE TRANSACTION 'fdw_tpc';
|
|
ERROR: missed cleaning up connection during pre-commit
|
|
ROLLBACK;
|
|
NOTICE: there is no transaction in progress
|
|
-- ======================================================================================================================================
|
|
-- TEST-MODULE: reestablish new connection
|
|
-- TEST-MODULE: test connection invalidation cases and postgres_fdw_get_connections function
|
|
-- TEST-MODULE: test postgres_fdw_disconnect and postgres_fdw_disconnect_all functions
|
|
-- TEST-MODULE: test case for having multiple cached connections for a foreign server
|
|
-- TEST-MODULE: Test foreign server level option keep_connections
|
|
-- --------------------------------------
|
|
-- openGauss not have the functions following:
|
|
-- postgres_fdw_abs
|
|
-- postgres_fdw_disconnect
|
|
-- postgres_fdw_disconnect_all
|
|
-- postgres_fdw_get_connections
|
|
-- Therefore, these test modules are temporarily unavailable.
|
|
-- ======================================================================================================================================
|
|
\df postgres_fdw_abs
|
|
List of functions
|
|
Schema | Name | Result data type | Argument data types | Type | fencedmode | propackage | prokind
|
|
--------+------------------+------------------+---------------------+--------+------------+------------+---------
|
|
public | postgres_fdw_abs | integer | integer | normal | f | f | f
|
|
(1 row)
|
|
|
|
\df postgres_fdw_disconnect
|
|
List of functions
|
|
Schema | Name | Result data type | Argument data types | Type | fencedmode | propackage | prokind
|
|
--------+------+------------------+---------------------+------+------------+------------+---------
|
|
(0 rows)
|
|
|
|
\df postgres_fdw_disconnect_all
|
|
List of functions
|
|
Schema | Name | Result data type | Argument data types | Type | fencedmode | propackage | prokind
|
|
--------+------+------------------+---------------------+------+------------+------------+---------
|
|
(0 rows)
|
|
|
|
\df postgres_fdw_get_connections
|
|
List of functions
|
|
Schema | Name | Result data type | Argument data types | Type | fencedmode | propackage | prokind
|
|
--------+------+------------------+---------------------+------+------------+------------+---------
|
|
(0 rows)
|
|
|
|
\df postgres_fdw_handler
|
|
List of functions
|
|
Schema | Name | Result data type | Argument data types | Type | fencedmode | propackage | prokind
|
|
--------+----------------------+------------------+---------------------+--------+------------+------------+---------
|
|
public | postgres_fdw_handler | fdw_handler | | normal | f | f | f
|
|
(1 row)
|
|
|
|
\df postgres_fdw_validator
|
|
List of functions
|
|
Schema | Name | Result data type | Argument data types | Type | fencedmode | propackage | prokind
|
|
--------+------------------------+------------------+---------------------+--------+------------+------------+---------
|
|
public | postgres_fdw_validator | void | text[], oid | normal | f | f | f
|
|
(1 row)
|
|
|
|
-- ======================================================================================================================================
|
|
-- TEST-MODULE: batch insert
|
|
-- --------------------------------------
|
|
-- openGauss not support this feature, it will run as normal
|
|
-- ======================================================================================================================================
|
|
BEGIN;
|
|
CREATE SERVER batch10 FOREIGN DATA WRAPPER postgres_fdw OPTIONS( batch_size '10' );
|
|
ERROR: invalid option "batch_size"
|
|
HINT: Valid options in this context are: service, connect_timeout, dbname, host, remote_nodename, hostaddr, port, localhost, localport, application_name, fencedUdfRPCMode, keepalives, keepalives_idle, keepalives_interval, keepalives_count, tcp_user_timeout, rw_timeout, sslmode, sslcompression, sslcert, sslkey, sslrootcert, sslcrl, requirepeer, krbsrvname, prototype, connection_info, connectionExtraInfo, target_session_attrs, use_remote_estimate, fdw_startup_cost, fdw_tuple_cost, updatable
|
|
SELECT count(*)
|
|
FROM pg_foreign_server
|
|
WHERE srvname = 'batch10'
|
|
AND srvoptions @> array['batch_size=10'];
|
|
ERROR: current transaction is aborted, commands ignored until end of transaction block, firstChar[Q]
|
|
ALTER SERVER batch10 OPTIONS( SET batch_size '20' );
|
|
ERROR: current transaction is aborted, commands ignored until end of transaction block, firstChar[Q]
|
|
SELECT count(*)
|
|
FROM pg_foreign_server
|
|
WHERE srvname = 'batch10'
|
|
AND srvoptions @> array['batch_size=10'];
|
|
ERROR: current transaction is aborted, commands ignored until end of transaction block, firstChar[Q]
|
|
SELECT count(*)
|
|
FROM pg_foreign_server
|
|
WHERE srvname = 'batch10'
|
|
AND srvoptions @> array['batch_size=20'];
|
|
ERROR: current transaction is aborted, commands ignored until end of transaction block, firstChar[Q]
|
|
CREATE FOREIGN TABLE table30 ( x int ) SERVER batch10 OPTIONS ( batch_size '30' );
|
|
ERROR: current transaction is aborted, commands ignored until end of transaction block, firstChar[Q]
|
|
SELECT COUNT(*)
|
|
FROM pg_foreign_table
|
|
WHERE ftrelid = 'table30'::regclass
|
|
AND ftoptions @> array['batch_size=30'];
|
|
ERROR: current transaction is aborted, commands ignored until end of transaction block, firstChar[Q]
|
|
ALTER FOREIGN TABLE table30 OPTIONS ( SET batch_size '40');
|
|
ERROR: current transaction is aborted, commands ignored until end of transaction block, firstChar[Q]
|
|
SELECT COUNT(*)
|
|
FROM pg_foreign_table
|
|
WHERE ftrelid = 'table30'::regclass
|
|
AND ftoptions @> array['batch_size=30'];
|
|
ERROR: current transaction is aborted, commands ignored until end of transaction block, firstChar[Q]
|
|
SELECT COUNT(*)
|
|
FROM pg_foreign_table
|
|
WHERE ftrelid = 'table30'::regclass
|
|
AND ftoptions @> array['batch_size=40'];
|
|
ERROR: current transaction is aborted, commands ignored until end of transaction block, firstChar[Q]
|
|
ROLLBACK;
|
|
CREATE TABLE batch_table ( x int );
|
|
CREATE FOREIGN TABLE ftable ( x int ) SERVER loopback OPTIONS ( table_name 'batch_table'/*, batch_size '10' */);
|
|
EXPLAIN (VERBOSE, COSTS OFF) INSERT INTO ftable SELECT * FROM generate_series(1, 10) i;
|
|
QUERY PLAN
|
|
-----------------------------------------------------
|
|
Insert on public.ftable
|
|
-> Function Scan on pg_catalog.generate_series i
|
|
Output: i.i
|
|
Function Call: generate_series(1, 10)
|
|
(4 rows)
|
|
|
|
INSERT INTO ftable SELECT * FROM generate_series(1, 10) i;
|
|
INSERT INTO ftable SELECT * FROM generate_series(11, 31) i;
|
|
INSERT INTO ftable VALUES (32);
|
|
INSERT INTO ftable VALUES (33), (34);
|
|
SELECT COUNT(*) FROM ftable;
|
|
count
|
|
-------
|
|
34
|
|
(1 row)
|
|
|
|
TRUNCATE batch_table;
|
|
DROP FOREIGN TABLE ftable;
|
|
-- try if large batches exceed max number of bind parameters
|
|
CREATE FOREIGN TABLE ftable ( x int ) SERVER loopback OPTIONS ( table_name 'batch_table'/*, batch_size '100000'*/ );
|
|
INSERT INTO ftable SELECT * FROM generate_series(1, 70000) i;
|
|
SELECT COUNT(*) FROM ftable;
|
|
count
|
|
-------
|
|
70000
|
|
(1 row)
|
|
|
|
TRUNCATE batch_table;
|
|
DROP FOREIGN TABLE ftable;
|
|
-- Disable batch insert
|
|
CREATE FOREIGN TABLE ftable ( x int ) SERVER loopback OPTIONS ( table_name 'batch_table'/*, batch_size '1'*/ );
|
|
EXPLAIN (VERBOSE, COSTS OFF) INSERT INTO ftable VALUES (1), (2);
|
|
QUERY PLAN
|
|
------------------------------------
|
|
Insert on public.ftable
|
|
-> Values Scan on "*VALUES*"
|
|
Output: "*VALUES*".column1
|
|
(3 rows)
|
|
|
|
INSERT INTO ftable VALUES (1), (2);
|
|
SELECT COUNT(*) FROM ftable;
|
|
count
|
|
-------
|
|
2
|
|
(1 row)
|
|
|
|
-- Disable batch inserting into foreign tables with BEFORE ROW INSERT triggers
|
|
-- even if the batch_size option is enabled.
|
|
ALTER FOREIGN TABLE ftable OPTIONS ( SET batch_size '10' );
|
|
ERROR: option "batch_size" not found
|
|
CREATE TRIGGER trig_row_before BEFORE INSERT ON ftable
|
|
FOR EACH ROW EXECUTE PROCEDURE trigger_data(23,'skidoo');
|
|
ERROR: "ftable" is not a table or view
|
|
EXPLAIN (VERBOSE, COSTS OFF) INSERT INTO ftable VALUES (3), (4);
|
|
QUERY PLAN
|
|
------------------------------------
|
|
Insert on public.ftable
|
|
-> Values Scan on "*VALUES*"
|
|
Output: "*VALUES*".column1
|
|
(3 rows)
|
|
|
|
INSERT INTO ftable VALUES (3), (4);
|
|
SELECT COUNT(*) FROM ftable;
|
|
count
|
|
-------
|
|
4
|
|
(1 row)
|
|
|
|
-- Clean up
|
|
DROP TRIGGER trig_row_before ON ftable;
|
|
ERROR: trigger "trig_row_before" for table "ftable" does not exist
|
|
DROP FOREIGN TABLE ftable;
|
|
DROP TABLE batch_table;
|
|
-- Use partitioning
|
|
-- nspt remove it all
|
|
ALTER SERVER loopback OPTIONS (DROP batch_size);
|
|
ERROR: option "batch_size" not found
|
|
-- ======================================================================================================================================
|
|
-- TEST-MODULE: test asynchronous execution
|
|
-- --------------------------------------
|
|
-- openGauss not support this feature, therefore, some cases that can run properly after modification are retained,
|
|
-- and some cases that cannot be supported are directly deleted.
|
|
-- If you want to restore the test case later, refer to README in the file header.
|
|
-- ======================================================================================================================================
|
|
ALTER SERVER loopback OPTIONS (DROP extensions); --nspt
|
|
ERROR: option "extensions" not found
|
|
ALTER SERVER loopback OPTIONS (ADD async_capable 'true'); --nspt
|
|
ERROR: invalid option "async_capable"
|
|
HINT: Valid options in this context are: service, connect_timeout, dbname, host, remote_nodename, hostaddr, port, localhost, localport, application_name, fencedUdfRPCMode, keepalives, keepalives_idle, keepalives_interval, keepalives_count, tcp_user_timeout, rw_timeout, sslmode, sslcompression, sslcert, sslkey, sslrootcert, sslcrl, requirepeer, krbsrvname, prototype, connection_info, connectionExtraInfo, target_session_attrs, use_remote_estimate, fdw_startup_cost, fdw_tuple_cost, updatable
|
|
ALTER SERVER loopback2 OPTIONS (ADD async_capable 'true'); --nspt
|
|
ERROR: invalid option "async_capable"
|
|
HINT: Valid options in this context are: service, connect_timeout, dbname, host, remote_nodename, hostaddr, port, localhost, localport, application_name, fencedUdfRPCMode, keepalives, keepalives_idle, keepalives_interval, keepalives_count, tcp_user_timeout, rw_timeout, sslmode, sslcompression, sslcert, sslkey, sslrootcert, sslcrl, requirepeer, krbsrvname, prototype, connection_info, connectionExtraInfo, target_session_attrs, use_remote_estimate, fdw_startup_cost, fdw_tuple_cost, updatable
|
|
-- ======================================================================================================================================
|
|
-- TEST-MODULE: test invalid server and foreign table options
|
|
-- --------------------------------------
|
|
-- ======================================================================================================================================
|
|
-- Invalid fdw_startup_cost option
|
|
CREATE SERVER inv_scst FOREIGN DATA WRAPPER postgres_fdw
|
|
OPTIONS(fdw_startup_cost '100$%$#$#');
|
|
ERROR: fdw_startup_cost requires a non-negative numeric value
|
|
-- Invalid fdw_tuple_cost option
|
|
CREATE SERVER inv_scst FOREIGN DATA WRAPPER postgres_fdw
|
|
OPTIONS(fdw_tuple_cost '100$%$#$#');
|
|
ERROR: fdw_tuple_cost requires a non-negative numeric value
|
|
-- Invalid fetch_size option
|
|
CREATE FOREIGN TABLE inv_fsz (c1 int )
|
|
SERVER loopback OPTIONS (fetch_size '100$%$#$#');
|
|
ERROR: invalid option "fetch_size"
|
|
HINT: Valid options in this context are: schema_name, table_name, use_remote_estimate, updatable
|
|
-- Invalid batch_size option
|
|
CREATE FOREIGN TABLE inv_bsz (c1 int )
|
|
SERVER loopback OPTIONS (batch_size '100$%$#$#');
|
|
ERROR: invalid option "batch_size"
|
|
HINT: Valid options in this context are: schema_name, table_name, use_remote_estimate, updatable
|
|
-- ======================================================================================================================================
|
|
-- TEST-MODULE: clean up all the test data
|
|
-- --------------------------------------
|
|
-- heihei!
|
|
-- ======================================================================================================================================
|
|
\c regression
|
|
drop database postgresfdw_test_db;
|