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Additional test coverage for sequences

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Reviewed-by: Michael Paquier <michael.paquier@gmail.com>
This commit is contained in:
Peter Eisentraut
2017-01-30 12:26:17 -05:00
parent 308d868274
commit d711532b2e
2 changed files with 328 additions and 49 deletions
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124
src/test/regress/sql/sequence.sql
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@ -1,3 +1,24 @@
--
-- CREATE SEQUENCE
--
-- various error cases
CREATE UNLOGGED SEQUENCE sequence_testx;
CREATE SEQUENCE sequence_testx INCREMENT BY 0;
CREATE SEQUENCE sequence_testx INCREMENT BY -1 MINVALUE 20;
CREATE SEQUENCE sequence_testx INCREMENT BY 1 MAXVALUE -20;
CREATE SEQUENCE sequence_testx INCREMENT BY -1 START 10;
CREATE SEQUENCE sequence_testx INCREMENT BY 1 START -10;
CREATE SEQUENCE sequence_testx CACHE 0;
-- OWNED BY errors
CREATE SEQUENCE sequence_testx OWNED BY nobody; -- nonsense word
CREATE SEQUENCE sequence_testx OWNED BY pg_tables.tablename; -- not a table
CREATE SEQUENCE sequence_testx OWNED BY pg_class.relname; -- not same schema
CREATE TABLE sequence_test_table (a int);
CREATE SEQUENCE sequence_testx OWNED BY sequence_test_table.b; -- wrong column
DROP TABLE sequence_test_table;
---
--- test creation of SERIAL column
---
@ -120,43 +141,80 @@ DROP SEQUENCE myseq2;
--
ALTER SEQUENCE IF EXISTS sequence_test2 RESTART WITH 24
INCREMENT BY 4 MAXVALUE 36 MINVALUE 5 CYCLE;
INCREMENT BY 4 MAXVALUE 36 MINVALUE 5 CYCLE;
ALTER SEQUENCE pg_class CYCLE; -- error, not a sequence
CREATE SEQUENCE sequence_test2 START WITH 32;
CREATE SEQUENCE sequence_test4 INCREMENT BY -1;
SELECT nextval('sequence_test2');
ALTER SEQUENCE sequence_test2 RESTART WITH 24
INCREMENT BY 4 MAXVALUE 36 MINVALUE 5 CYCLE;
SELECT nextval('sequence_test2');
SELECT nextval('sequence_test2');
SELECT nextval('sequence_test2');
SELECT nextval('sequence_test2');
SELECT nextval('sequence_test2');
SELECT nextval('sequence_test4');
ALTER SEQUENCE sequence_test2 RESTART;
SELECT nextval('sequence_test2');
SELECT nextval('sequence_test2');
SELECT nextval('sequence_test2');
ALTER SEQUENCE sequence_test2 RESTART WITH 0; -- error
ALTER SEQUENCE sequence_test4 RESTART WITH 40; -- error
-- test CYCLE and NO CYCLE
ALTER SEQUENCE sequence_test2 RESTART WITH 24
INCREMENT BY 4 MAXVALUE 36 MINVALUE 5 CYCLE;
SELECT nextval('sequence_test2');
SELECT nextval('sequence_test2');
SELECT nextval('sequence_test2');
SELECT nextval('sequence_test2');
SELECT nextval('sequence_test2'); -- cycled
ALTER SEQUENCE sequence_test2 RESTART WITH 24
NO CYCLE;
SELECT nextval('sequence_test2');
SELECT nextval('sequence_test2');
SELECT nextval('sequence_test2');
SELECT nextval('sequence_test2');
SELECT nextval('sequence_test2'); -- error
ALTER SEQUENCE sequence_test2 RESTART WITH -24 START WITH -24
INCREMENT BY -4 MINVALUE -36 MAXVALUE -5 CYCLE;
SELECT nextval('sequence_test2');
SELECT nextval('sequence_test2');
SELECT nextval('sequence_test2');
SELECT nextval('sequence_test2');
SELECT nextval('sequence_test2'); -- cycled
ALTER SEQUENCE sequence_test2 RESTART WITH -24
NO CYCLE;
SELECT nextval('sequence_test2');
SELECT nextval('sequence_test2');
SELECT nextval('sequence_test2');
SELECT nextval('sequence_test2');
SELECT nextval('sequence_test2'); -- error
-- reset
ALTER SEQUENCE IF EXISTS sequence_test2 RESTART WITH 32 START WITH 32
INCREMENT BY 4 MAXVALUE 36 MINVALUE 5 CYCLE;
SELECT setval('sequence_test2', -100); -- error
SELECT setval('sequence_test2', 100); -- error
SELECT setval('sequence_test2', 5);
CREATE SEQUENCE sequence_test3; -- not read from, to test is_called
-- Information schema
SELECT * FROM information_schema.sequences WHERE sequence_name IN
('sequence_test2', 'sequence_test3', 'serialtest2_f2_seq', 'serialtest2_f3_seq',
'serialtest2_f4_seq', 'serialtest2_f5_seq', 'serialtest2_f6_seq')
SELECT * FROM information_schema.sequences
WHERE sequence_name ~ ANY(ARRAY['sequence_test', 'serialtest'])
ORDER BY sequence_name ASC;
SELECT schemaname, sequencename, start_value, min_value, max_value, increment_by, cycle, cache_size, last_value
FROM pg_sequences
WHERE sequencename IN
('sequence_test2', 'sequence_test3', 'serialtest2_f2_seq', 'serialtest2_f3_seq',
'serialtest2_f4_seq', 'serialtest2_f5_seq', 'serialtest2_f6_seq')
WHERE sequencename ~ ANY(ARRAY['sequence_test', 'serialtest'])
ORDER BY sequencename ASC;
SELECT * FROM pg_sequence_parameters('sequence_test4'::regclass);
-- Test comments
COMMENT ON SEQUENCE asdf IS 'won''t work';
COMMENT ON SEQUENCE sequence_test2 IS 'will work';
@ -181,6 +239,17 @@ SELECT lastval();
CREATE USER regress_seq_user;
-- Test sequences in read-only transactions
CREATE TEMPORARY SEQUENCE sequence_test_temp1;
START TRANSACTION READ ONLY;
SELECT nextval('sequence_test_temp1'); -- ok
SELECT nextval('sequence_test2'); -- error
ROLLBACK;
START TRANSACTION READ ONLY;
SELECT setval('sequence_test_temp1', 1); -- ok
SELECT setval('sequence_test2', 1); -- error
ROLLBACK;
-- privileges tests
-- nextval
@ -264,6 +333,25 @@ GRANT USAGE ON seq3 TO regress_seq_user;
SELECT lastval();
ROLLBACK;
-- setval
BEGIN;
SET LOCAL SESSION AUTHORIZATION regress_seq_user;
CREATE SEQUENCE seq3;
REVOKE ALL ON seq3 FROM regress_seq_user;
SAVEPOINT save;
SELECT setval('seq3', 5);
ROLLBACK TO save;
GRANT UPDATE ON seq3 TO regress_seq_user;
SELECT setval('seq3', 5);
SELECT nextval('seq3');
ROLLBACK;
-- ALTER SEQUENCE
BEGIN;
SET LOCAL SESSION AUTHORIZATION regress_seq_user;
ALTER SEQUENCE sequence_test2 START WITH 1;
ROLLBACK;
-- Sequences should get wiped out as well:
DROP TABLE serialTest, serialTest2;