298 lines
9.1 KiB
PL/PgSQL
298 lines
9.1 KiB
PL/PgSQL
--
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-- UPDATE syntax tests
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--
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CREATE TABLE update_test (
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a INT DEFAULT 10,
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b INT,
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c TEXT
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);
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INSERT INTO update_test VALUES (5, 10, 'foo');
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INSERT INTO update_test(b, a) VALUES (15, 10);
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SELECT * FROM update_test;
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UPDATE update_test SET a = DEFAULT, b = DEFAULT;
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SELECT * FROM update_test;
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-- aliases for the UPDATE target table
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UPDATE update_test AS t SET b = 10 WHERE t.a = 10;
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SELECT * FROM update_test;
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UPDATE update_test t SET b = t.b + 10 WHERE t.a = 10;
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SELECT * FROM update_test;
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--
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-- Test VALUES in FROM
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--
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UPDATE update_test SET a=v.i FROM (VALUES(100, 20)) AS v(i, j)
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WHERE update_test.b = v.j;
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SELECT * FROM update_test;
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--
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-- Test multiple-set-clause syntax
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--
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UPDATE update_test SET (c,b,a) = ('bugle', b+11, DEFAULT) WHERE c = 'foo';
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SELECT * FROM update_test;
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UPDATE update_test SET (c,b) = ('car', a+b), a = a + 1 WHERE a = 10;
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SELECT * FROM update_test;
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-- fail, multi assignment to same column:
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UPDATE update_test SET (c,b) = ('car', a+b), b = a + 1 WHERE a = 10;
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-- XXX this should work, but doesn't yet:
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UPDATE update_test SET (a,b) = (select a,b FROM update_test where c = 'foo')
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WHERE a = 10;
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-- if an alias for the target table is specified, don't allow references
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-- to the original table name
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UPDATE update_test AS t SET b = update_test.b + 10 WHERE t.a = 10;
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-- Make sure that we can update to a TOASTed value.
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UPDATE update_test SET c = repeat('x', 10000) WHERE c = 'car';
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SELECT a, b, char_length(c) FROM update_test;
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DROP TABLE update_test;
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-- test update, on update current_timestamp
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create database mysql dbcompatibility 'B';
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\c mysql
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create table update_test_e(a int, b timestamp on update current_timestamp);
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insert into update_test_e values(1);
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insert into update_test_e values(2);
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select * from update_test_e;
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update update_test_e set a = 11 where a = 1;
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select * from update_test_e;
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update update_test_e set a=1, b = now()-10 where a=11;
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select * from update_test_e;
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update update_test_e set a = 1 where a = 1;
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select * from update_test_e;
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drop table update_test_e;
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create table update_test_f(a int, b timestamp default current_timestamp on update current_timestamp);
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insert into update_test_f values(1);
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insert into update_test_f values(2);
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select * from update_test_f;
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update update_test_f set a = 11 where a = 1;
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select * from update_test_f;
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drop table update_test_f;
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create table update_test_g(a int, b timestamp default current_timestamp on update current_timestamp, c timestamp on update current_timestamp);
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insert into update_test_g values(1);
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insert into update_test_g values(2);
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select * from update_test_g;
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update update_test_g set a = 1 where a = 1;
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select * from update_test_g;
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create incremental materialized view timestamp_test AS select * from update_test_g;
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select * from timestamp_test;
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drop materialized view timestamp_test;
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drop table update_test_g;
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create table update_test_h(a int, b timestamp default current_timestamp on update current_timestamp);
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insert into update_test_h values(1);
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select * from update_test_h;
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with tab as (update update_test_h set a=10 where a=1 returning 1) select * from tab;
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select * from update_test_h;
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drop table update_test_h;
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CREATE TABLE t2 (a int, b timestamp on update current_timestamp);
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INSERT INTO t2 VALUES(1);
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select * from t2;
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PREPARE insert_reason(integer) AS UPDATE t2 SET a = $1;
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EXECUTE insert_reason(52);
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select * from t2;
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drop table t2;
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create table t1(a int, b timestamp on update current_timestamp);
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insert into t1 values(1);
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CREATE OR REPLACE FUNCTION TEST1(val integer)
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RETURNS VOID AS $$
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declare
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val int;
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begin
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update t1 set a=val;
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end;
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$$
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LANGUAGE sql;
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CREATE OR REPLACE FUNCTION TEST2(val integer)
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RETURNS integer AS $$
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update t1 set a=val;
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select 1;
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$$
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LANGUAGE sql;
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select TEST2(11);
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select * from t1;
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select TEST1(2);
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select * from t1;
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DROP FUNCTION TEST1;
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DROP FUNCTION TEST2;
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drop table t1;
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CREATE TABLE t1(a int, b timestamp DEFAULT current_timestamp on update current_timestamp);
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CREATE TABLE t2(a int, b timestamp DEFAULT current_timestamp, c varchar, d timestamp on update current_timestamp);
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CREATE TABLE t3(a int, b char, c timestamp on update current_timestamp, d text);
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INSERT INTO t1 VALUES(1);
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INSERT INTO t2(a,c) VALUES(1,'test');
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INSERT INTO t3(a,b,d) VALUES(1,'T','asfdsaf');
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SELECT * FROM t1;
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SELECT * FROM t2;
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SELECT * FROM t3;
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CREATE OR REPLACE FUNCTION test1(src int, dest int) RETURNS void AS $$
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BEGIN
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UPDATE t1 SET a = dest WHERE a = src;
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UPDATE t2 SET a = dest WHERE a = src;
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UPDATE t3 SET a = dest WHERE a = src;
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END;
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$$ LANGUAGE PLPGSQL;
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SELECT test1(1,10);
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SELECT * FROM t1;
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SELECT * FROM t2;
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SELECT * FROM t3;
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DROP FUNCTION test1;
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DROP TABLE t1;
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DROP TABLE t2;
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DROP TABLE t3;
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CREATE TABLE t1(a int, b timestamp on update current_timestamp);
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CREATE TABLE t2(a int, b timestamp on update current_timestamp);
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INSERT INTO t1 VALUES(1);
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INSERT INTO t2 VALUES(2);
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SELECT * FROM t1;
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SELECT * FROM t2;
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with a as (update t1 set a=a+10 returning 1), b as (update t2 set a=a+10 returning 1) select * from a,b;
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SELECT * FROM t1;
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SELECT * FROM t2;
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with a as (update t1 set a=a+10), b as (update t2 set a=a+10) select 1;
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SELECT * FROM t1;
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SELECT * FROM t2;
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DROP TABLE t1;
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DROP TABLE t2;
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CREATE TABLE t4(a int, b timestamp);
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\d t4
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alter table t4 modify b timestamp on update current_timestamp;
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\d t4
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alter table t4 modify b timestamp;
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\d t4
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alter table t4 alter b set default now();
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\d t4
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alter table t4 alter b drop default;
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\d t4
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alter table t4 alter b set default now();
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\d t4
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alter table t4 modify b timestamp on update current_timestamp;
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\d t4
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alter table t4 alter b drop default;
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\d t4
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alter table t4 modify b timestamp;
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\d t4
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alter table t4 modify b timestamp on update current_timestamp;
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\d t4
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alter table t4 alter b set default now();
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\d t4;
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alter table t4 modify b timestamp;
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\d t4
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alter table t4 alter b drop default;
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\d t4
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alter table t4 modify b not null;
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alter table t4 modify b timestamp on update current_timestamp;
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\d t4
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alter table t4 modify b null;
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alter table t4 modify b timestamp;
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\d t4
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alter table t4 modify b timestamp on update current_timestamp;
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\d t4
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alter table t4 modify b timestamp on update localtimestamp;
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\d t4
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alter table t4 alter b set default now();
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\d t4;
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alter table t4 change b b1 timestamp on update current_timestamp;
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\d t4
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alter table t4 change b1 b2 timestamp not null default now() on update localtimestamp;
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\d t4
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CREATE TABLE t5(id int, a timestamp default now() on update current_timestamp, b timestamp on update current_timestamp, c timestamp default now());
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\d t5
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create table t6 (like t5 including defaults);
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\d t6
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alter table t6 modify b timestamp on update localtimestamp;
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\d t6
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alter table t6 modify b timestamp;
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\d t6
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-- \! @abs_bindir@/gs_dump mysql -p @portstring@ -f @abs_bindir@/dump_type.sql -F p >/dev/null 2>&1;
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-- create table test_feature(a int, b timestamp on update current_timestamp);
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-- insert into test_feature values (1);
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-- update test_feature set a=2 where a=1;
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-- select * from test_feature;
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-- \! @abs_bindir@/gsql -d mysql -p @portstring@ -c "update test_feature set a=3;" >/dev/null 2>&1;
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-- select * from test_feature;
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CREATE TABLE t_dmpportal_common_intent (
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id bigserial NOT NULL,
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intent_name character varying(120) NOT NULL,
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upt_time timestamp ON UPDATE CURRENT_TIMESTAMP);
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ALTER TABLE t_dmpportal_common_intent ADD CONSTRAINT pk_t_dmpportal_common_intent_1675307617_0 PRIMARY KEY USING btree (id);
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insert into t_dmpportal_common_intent values(1,'1',current_timestamp), (2,'2',current_timestamp), (3,'3',current_timestamp);
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select * from t_dmpportal_common_intent;
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select count(upt_time) from t_dmpportal_common_intent group by upt_time order by upt_time;
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set enable_opfusion to on;
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explain (costs off) update t_dmpportal_common_intent set intent_name='update_2' where id=2;
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update t_dmpportal_common_intent set intent_name='update_2' where id=2;
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select count(upt_time) from t_dmpportal_common_intent group by upt_time order by upt_time;
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select * from t_dmpportal_common_intent;
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set enable_opfusion to off;
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update t_dmpportal_common_intent set intent_name='update_2' where id=2;
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select count(upt_time) from t_dmpportal_common_intent group by upt_time order by upt_time;
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select * from t_dmpportal_common_intent;
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update t_dmpportal_common_intent set intent_name='2' where id=2;
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select count(upt_time) from t_dmpportal_common_intent group by upt_time order by upt_time;
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select * from t_dmpportal_common_intent;
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show sql_beta_feature;
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show enable_partition_opfusion;
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show enable_opfusion;
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set sql_beta_feature = 'a_style_coerce, partition_opfusion';
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set enable_partition_opfusion = on;
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set enable_opfusion = on;
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create table bypass_pt_update (
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a serial primary key,
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b int default 1
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) partition by range(a) (
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partition p1 values less than (5),
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partition p2 values less than (maxvalue)
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);
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insert into bypass_pt_update(b) select generate_series(1,8);
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select * from bypass_pt_update order by a;
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explain (verbose on, costs off) update bypass_pt_update set b = 2 where a = 1;
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update bypass_pt_update set b = 2 where a = 1;
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explain (verbose on, costs off) update bypass_pt_update set a = 9 where a = 2;
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update bypass_pt_update set a = 9 where a = 2;
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select * from bypass_pt_update order by a;
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drop table bypass_pt_update;
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set sql_beta_feature='a_style_coerce';
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set enable_partition_opfusion = off;
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set enable_opfusion = off;
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\c regression
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DROP database mysql;
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