409 lines
12 KiB
PL/PgSQL
409 lines
12 KiB
PL/PgSQL
--
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-- CREATE SEQUENCE
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--
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-- various error cases
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CREATE UNLOGGED SEQUENCE sequence_testx;
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CREATE SEQUENCE sequence_testx INCREMENT BY 0;
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CREATE SEQUENCE sequence_testx INCREMENT BY -1 MINVALUE 20;
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CREATE SEQUENCE sequence_testx INCREMENT BY 1 MAXVALUE -20;
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CREATE SEQUENCE sequence_testx INCREMENT BY -1 START 10;
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CREATE SEQUENCE sequence_testx INCREMENT BY 1 START -10;
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CREATE SEQUENCE sequence_testx CACHE 0;
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-- OWNED BY errors
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CREATE SEQUENCE sequence_testx OWNED BY nobody; -- nonsense word
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CREATE SEQUENCE sequence_testx OWNED BY pg_class_oid_index.oid; -- not a table
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CREATE SEQUENCE sequence_testx OWNED BY pg_class.relname; -- not same schema
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CREATE TABLE sequence_test_table (a int);
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CREATE SEQUENCE sequence_testx OWNED BY sequence_test_table.b; -- wrong column
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DROP TABLE sequence_test_table;
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-- sequence data types
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CREATE SEQUENCE sequence_test5 AS integer;
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CREATE SEQUENCE sequence_test6 AS smallint;
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CREATE SEQUENCE sequence_test7 AS bigint;
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CREATE SEQUENCE sequence_test8 AS integer MAXVALUE 100000;
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CREATE SEQUENCE sequence_test9 AS integer INCREMENT BY -1;
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CREATE SEQUENCE sequence_test10 AS integer MINVALUE -100000 START 1;
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CREATE SEQUENCE sequence_test11 AS smallint;
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CREATE SEQUENCE sequence_test12 AS smallint INCREMENT -1;
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CREATE SEQUENCE sequence_test13 AS smallint MINVALUE -32768;
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CREATE SEQUENCE sequence_test14 AS smallint MAXVALUE 32767 INCREMENT -1;
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CREATE SEQUENCE sequence_testx AS text;
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CREATE SEQUENCE sequence_testx AS nosuchtype;
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CREATE SEQUENCE sequence_testx AS smallint MAXVALUE 100000;
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CREATE SEQUENCE sequence_testx AS smallint MINVALUE -100000;
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ALTER SEQUENCE sequence_test5 AS smallint; -- success, max will be adjusted
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ALTER SEQUENCE sequence_test8 AS smallint; -- fail, max has to be adjusted
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ALTER SEQUENCE sequence_test8 AS smallint MAXVALUE 20000; -- ok now
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ALTER SEQUENCE sequence_test9 AS smallint; -- success, min will be adjusted
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ALTER SEQUENCE sequence_test10 AS smallint; -- fail, min has to be adjusted
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ALTER SEQUENCE sequence_test10 AS smallint MINVALUE -20000; -- ok now
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ALTER SEQUENCE sequence_test11 AS int; -- max will be adjusted
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ALTER SEQUENCE sequence_test12 AS int; -- min will be adjusted
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ALTER SEQUENCE sequence_test13 AS int; -- min and max will be adjusted
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ALTER SEQUENCE sequence_test14 AS int; -- min and max will be adjusted
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---
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--- test creation of SERIAL column
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---
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CREATE TABLE serialTest1 (f1 text, f2 serial);
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INSERT INTO serialTest1 VALUES ('foo');
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INSERT INTO serialTest1 VALUES ('bar');
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INSERT INTO serialTest1 VALUES ('force', 100);
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INSERT INTO serialTest1 VALUES ('wrong', NULL);
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SELECT * FROM serialTest1;
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SELECT pg_get_serial_sequence('serialTest1', 'f2');
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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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CREATE SEQUENCE IF NOT EXISTS 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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-- log_cnt can be higher if there is a checkpoint just at the right
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-- time, so just test for the expected range
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SELECT last_value, log_cnt IN (31, 32) AS log_cnt_ok, is_called 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 serialtest1_f2_seq RENAME TO serialtest1_f2_foo;
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INSERT INTO serialTest1 VALUES ('more');
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SELECT * FROM serialTest1;
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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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ALTER SEQUENCE serialTest1 CYCLE; -- error, not a sequence
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CREATE SEQUENCE sequence_test2 START WITH 32;
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CREATE SEQUENCE sequence_test4 INCREMENT BY -1;
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SELECT nextval('sequence_test2');
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SELECT nextval('sequence_test4');
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ALTER SEQUENCE sequence_test2 RESTART;
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SELECT nextval('sequence_test2');
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ALTER SEQUENCE sequence_test2 RESTART WITH 0; -- error
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ALTER SEQUENCE sequence_test4 RESTART WITH 40; -- error
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-- test CYCLE and NO CYCLE
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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'); -- cycled
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ALTER SEQUENCE sequence_test2 RESTART WITH 24
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NO 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'); -- error
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ALTER SEQUENCE sequence_test2 RESTART WITH -24 START WITH -24
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INCREMENT BY -4 MINVALUE -36 MAXVALUE -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'); -- cycled
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ALTER SEQUENCE sequence_test2 RESTART WITH -24
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NO 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'); -- error
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-- reset
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ALTER SEQUENCE IF EXISTS sequence_test2 RESTART WITH 32 START WITH 32
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INCREMENT BY 4 MAXVALUE 36 MINVALUE 5 CYCLE;
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SELECT setval('sequence_test2', -100); -- error
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SELECT setval('sequence_test2', 100); -- error
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SELECT setval('sequence_test2', 5);
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CREATE SEQUENCE sequence_test3; -- not read from, to test is_called
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-- Information schema
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SELECT * FROM information_schema.sequences
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WHERE sequence_name ~ ANY(ARRAY['sequence_test', 'serialtest'])
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ORDER BY sequence_name ASC;
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SELECT schemaname, sequencename, start_value, min_value, max_value, increment_by, cycle, cache_size, last_value
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FROM pg_sequences
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WHERE sequencename ~ ANY(ARRAY['sequence_test', 'serialtest'])
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ORDER BY sequencename ASC;
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SELECT * FROM pg_sequence_parameters('sequence_test4'::regclass);
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\d sequence_test4
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\d serialtest2_f2_seq
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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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DISCARD SEQUENCES;
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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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-- Test sequences in read-only transactions
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CREATE TEMPORARY SEQUENCE sequence_test_temp1;
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START TRANSACTION READ ONLY;
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SELECT nextval('sequence_test_temp1'); -- ok
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SELECT nextval('sequence_test2'); -- error
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ROLLBACK;
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START TRANSACTION READ ONLY;
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SELECT setval('sequence_test_temp1', 1); -- ok
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SELECT setval('sequence_test2', 1); -- error
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ROLLBACK;
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-- privileges tests
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CREATE USER regress_seq_user;
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-- nextval
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BEGIN;
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SET LOCAL SESSION AUTHORIZATION regress_seq_user;
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CREATE SEQUENCE seq3;
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REVOKE ALL ON seq3 FROM regress_seq_user;
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GRANT SELECT ON seq3 TO regress_seq_user;
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SELECT nextval('seq3');
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ROLLBACK;
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BEGIN;
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SET LOCAL SESSION AUTHORIZATION regress_seq_user;
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CREATE SEQUENCE seq3;
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REVOKE ALL ON seq3 FROM regress_seq_user;
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GRANT UPDATE ON seq3 TO regress_seq_user;
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SELECT nextval('seq3');
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ROLLBACK;
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BEGIN;
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SET LOCAL SESSION AUTHORIZATION regress_seq_user;
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CREATE SEQUENCE seq3;
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REVOKE ALL ON seq3 FROM regress_seq_user;
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GRANT USAGE ON seq3 TO regress_seq_user;
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SELECT nextval('seq3');
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ROLLBACK;
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-- currval
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BEGIN;
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SET LOCAL SESSION AUTHORIZATION regress_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 regress_seq_user;
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GRANT SELECT ON seq3 TO regress_seq_user;
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SELECT currval('seq3');
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ROLLBACK;
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BEGIN;
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SET LOCAL SESSION AUTHORIZATION regress_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 regress_seq_user;
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GRANT UPDATE ON seq3 TO regress_seq_user;
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SELECT currval('seq3');
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ROLLBACK;
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BEGIN;
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SET LOCAL SESSION AUTHORIZATION regress_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 regress_seq_user;
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GRANT USAGE ON seq3 TO regress_seq_user;
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SELECT currval('seq3');
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ROLLBACK;
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-- lastval
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BEGIN;
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SET LOCAL SESSION AUTHORIZATION regress_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 regress_seq_user;
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GRANT SELECT ON seq3 TO regress_seq_user;
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SELECT lastval();
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ROLLBACK;
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BEGIN;
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SET LOCAL SESSION AUTHORIZATION regress_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 regress_seq_user;
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GRANT UPDATE ON seq3 TO regress_seq_user;
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SELECT lastval();
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ROLLBACK;
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BEGIN;
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SET LOCAL SESSION AUTHORIZATION regress_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 regress_seq_user;
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GRANT USAGE ON seq3 TO regress_seq_user;
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SELECT lastval();
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ROLLBACK;
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-- setval
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BEGIN;
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SET LOCAL SESSION AUTHORIZATION regress_seq_user;
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CREATE SEQUENCE seq3;
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REVOKE ALL ON seq3 FROM regress_seq_user;
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SAVEPOINT save;
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SELECT setval('seq3', 5);
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ROLLBACK TO save;
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GRANT UPDATE ON seq3 TO regress_seq_user;
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SELECT setval('seq3', 5);
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SELECT nextval('seq3');
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ROLLBACK;
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-- ALTER SEQUENCE
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BEGIN;
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SET LOCAL SESSION AUTHORIZATION regress_seq_user;
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ALTER SEQUENCE sequence_test2 START WITH 1;
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ROLLBACK;
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-- Sequences should get wiped out as well:
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DROP TABLE serialTest1, 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 regress_seq_user;
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DROP SEQUENCE seq;
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-- cache tests
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CREATE SEQUENCE test_seq1 CACHE 10;
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SELECT nextval('test_seq1');
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SELECT nextval('test_seq1');
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SELECT nextval('test_seq1');
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DROP SEQUENCE test_seq1;
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