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d90ced8bb2
DISCARD ALL will now discard cached sequence information, as well. Fabrízio de Royes Mello, reviewed by Zoltán Böszörményi, with some further tweaks by me.
187 lines
4.9 KiB
PL/PgSQL
187 lines
4.9 KiB
PL/PgSQL
---
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--- test creation of SERIAL column
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---
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CREATE TABLE serialTest (f1 text, f2 serial);
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INSERT INTO serialTest VALUES ('foo');
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INSERT INTO serialTest VALUES ('bar');
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INSERT INTO serialTest VALUES ('force', 100);
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INSERT INTO serialTest VALUES ('wrong', NULL);
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SELECT * FROM serialTest;
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-- test smallserial / bigserial
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CREATE TABLE serialTest2 (f1 text, f2 serial, f3 smallserial, f4 serial2,
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f5 bigserial, f6 serial8);
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INSERT INTO serialTest2 (f1)
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VALUES ('test_defaults');
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INSERT INTO serialTest2 (f1, f2, f3, f4, f5, f6)
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VALUES ('test_max_vals', 2147483647, 32767, 32767, 9223372036854775807,
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9223372036854775807),
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('test_min_vals', -2147483648, -32768, -32768, -9223372036854775808,
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-9223372036854775808);
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-- All these INSERTs should fail:
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INSERT INTO serialTest2 (f1, f3)
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VALUES ('bogus', -32769);
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INSERT INTO serialTest2 (f1, f4)
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VALUES ('bogus', -32769);
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INSERT INTO serialTest2 (f1, f3)
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VALUES ('bogus', 32768);
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INSERT INTO serialTest2 (f1, f4)
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VALUES ('bogus', 32768);
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INSERT INTO serialTest2 (f1, f5)
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VALUES ('bogus', -9223372036854775809);
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INSERT INTO serialTest2 (f1, f6)
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VALUES ('bogus', -9223372036854775809);
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INSERT INTO serialTest2 (f1, f5)
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VALUES ('bogus', 9223372036854775808);
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INSERT INTO serialTest2 (f1, f6)
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VALUES ('bogus', 9223372036854775808);
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SELECT * FROM serialTest2 ORDER BY f2 ASC;
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SELECT nextval('serialTest2_f2_seq');
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SELECT nextval('serialTest2_f3_seq');
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SELECT nextval('serialTest2_f4_seq');
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SELECT nextval('serialTest2_f5_seq');
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SELECT nextval('serialTest2_f6_seq');
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-- basic sequence operations using both text and oid references
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CREATE SEQUENCE sequence_test;
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SELECT nextval('sequence_test'::text);
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SELECT nextval('sequence_test'::regclass);
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SELECT currval('sequence_test'::text);
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SELECT currval('sequence_test'::regclass);
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SELECT setval('sequence_test'::text, 32);
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SELECT nextval('sequence_test'::regclass);
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SELECT setval('sequence_test'::text, 99, false);
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SELECT nextval('sequence_test'::regclass);
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SELECT setval('sequence_test'::regclass, 32);
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SELECT nextval('sequence_test'::text);
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SELECT setval('sequence_test'::regclass, 99, false);
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SELECT nextval('sequence_test'::text);
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DISCARD SEQUENCES;
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SELECT currval('sequence_test'::regclass);
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DROP SEQUENCE sequence_test;
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-- renaming sequences
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CREATE SEQUENCE foo_seq;
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ALTER TABLE foo_seq RENAME TO foo_seq_new;
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SELECT * FROM foo_seq_new;
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SELECT nextval('foo_seq_new');
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SELECT nextval('foo_seq_new');
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SELECT * FROM foo_seq_new;
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DROP SEQUENCE foo_seq_new;
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-- renaming serial sequences
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ALTER TABLE serialtest_f2_seq RENAME TO serialtest_f2_foo;
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INSERT INTO serialTest VALUES ('more');
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SELECT * FROM serialTest;
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--
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-- Check dependencies of serial and ordinary sequences
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--
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CREATE TEMP SEQUENCE myseq2;
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CREATE TEMP SEQUENCE myseq3;
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CREATE TEMP TABLE t1 (
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f1 serial,
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f2 int DEFAULT nextval('myseq2'),
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f3 int DEFAULT nextval('myseq3'::text)
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);
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-- Both drops should fail, but with different error messages:
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DROP SEQUENCE t1_f1_seq;
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DROP SEQUENCE myseq2;
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-- This however will work:
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DROP SEQUENCE myseq3;
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DROP TABLE t1;
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-- Fails because no longer existent:
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DROP SEQUENCE t1_f1_seq;
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-- Now OK:
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DROP SEQUENCE myseq2;
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--
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-- Alter sequence
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--
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ALTER SEQUENCE IF EXISTS sequence_test2 RESTART WITH 24
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INCREMENT BY 4 MAXVALUE 36 MINVALUE 5 CYCLE;
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CREATE SEQUENCE sequence_test2 START WITH 32;
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SELECT nextval('sequence_test2');
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ALTER SEQUENCE sequence_test2 RESTART WITH 24
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INCREMENT BY 4 MAXVALUE 36 MINVALUE 5 CYCLE;
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SELECT nextval('sequence_test2');
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SELECT nextval('sequence_test2');
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SELECT nextval('sequence_test2');
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SELECT nextval('sequence_test2');
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SELECT nextval('sequence_test2');
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ALTER SEQUENCE sequence_test2 RESTART;
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SELECT nextval('sequence_test2');
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SELECT nextval('sequence_test2');
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SELECT nextval('sequence_test2');
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-- Information schema
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SELECT * FROM information_schema.sequences WHERE sequence_name IN
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('sequence_test2', 'serialtest2_f2_seq', 'serialtest2_f3_seq',
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'serialtest2_f4_seq', 'serialtest2_f5_seq', 'serialtest2_f6_seq')
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ORDER BY sequence_name ASC;
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-- Test comments
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COMMENT ON SEQUENCE asdf IS 'won''t work';
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COMMENT ON SEQUENCE sequence_test2 IS 'will work';
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COMMENT ON SEQUENCE sequence_test2 IS NULL;
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-- Test lastval()
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CREATE SEQUENCE seq;
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SELECT nextval('seq');
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SELECT lastval();
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SELECT setval('seq', 99);
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SELECT lastval();
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CREATE SEQUENCE seq2;
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SELECT nextval('seq2');
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SELECT lastval();
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DROP SEQUENCE seq2;
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-- should fail
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SELECT lastval();
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CREATE USER seq_user;
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BEGIN;
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SET LOCAL SESSION AUTHORIZATION seq_user;
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CREATE SEQUENCE seq3;
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SELECT nextval('seq3');
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REVOKE ALL ON seq3 FROM seq_user;
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SELECT lastval();
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ROLLBACK;
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-- Sequences should get wiped out as well:
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DROP TABLE serialTest, serialTest2;
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-- Make sure sequences are gone:
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SELECT * FROM information_schema.sequences WHERE sequence_name IN
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('sequence_test2', 'serialtest2_f2_seq', 'serialtest2_f3_seq',
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'serialtest2_f4_seq', 'serialtest2_f5_seq', 'serialtest2_f6_seq')
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ORDER BY sequence_name ASC;
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DROP USER seq_user;
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DROP SEQUENCE seq;
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