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Additional test coverage for sequences

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Reviewed-by: Michael Paquier <michael.paquier@gmail.com>
pull/20/head
Peter Eisentraut 9 years ago
parent 308d868274
commit d711532b2e
2 changed files with 319 additions and 40 deletions
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  1. 253
      src/test/regress/expected/sequence.out
  2. 106
      src/test/regress/sql/sequence.sql

253
src/test/regress/expected/sequence.out
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@ -1,3 +1,33 @@
--
-- CREATE SEQUENCE
--
-- various error cases
CREATE UNLOGGED SEQUENCE sequence_testx;
ERROR: unlogged sequences are not supported
CREATE SEQUENCE sequence_testx INCREMENT BY 0;
ERROR: INCREMENT must not be zero
CREATE SEQUENCE sequence_testx INCREMENT BY -1 MINVALUE 20;
ERROR: MINVALUE (20) must be less than MAXVALUE (-1)
CREATE SEQUENCE sequence_testx INCREMENT BY 1 MAXVALUE -20;
ERROR: MINVALUE (1) must be less than MAXVALUE (-20)
CREATE SEQUENCE sequence_testx INCREMENT BY -1 START 10;
ERROR: START value (10) cannot be greater than MAXVALUE (-1)
CREATE SEQUENCE sequence_testx INCREMENT BY 1 START -10;
ERROR: START value (-10) cannot be less than MINVALUE (1)
CREATE SEQUENCE sequence_testx CACHE 0;
ERROR: CACHE (0) must be greater than zero
-- OWNED BY errors
CREATE SEQUENCE sequence_testx OWNED BY nobody; -- nonsense word
ERROR: invalid OWNED BY option
HINT: Specify OWNED BY table.column or OWNED BY NONE.
CREATE SEQUENCE sequence_testx OWNED BY pg_tables.tablename; -- not a table
ERROR: referenced relation "pg_tables" is not a table or foreign table
CREATE SEQUENCE sequence_testx OWNED BY pg_class.relname; -- not same schema
ERROR: sequence must be in same schema as table it is linked to
CREATE TABLE sequence_test_table (a int);
CREATE SEQUENCE sequence_testx OWNED BY sequence_test_table.b; -- wrong column
ERROR: column "b" of relation "sequence_test_table" does not exist
DROP TABLE sequence_test_table;
---
--- test creation of SERIAL column
---
@ -242,17 +272,38 @@ DROP SEQUENCE myseq2;
-- Alter sequence
--
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;
NOTICE: relation "sequence_test2" does not exist, skipping
ALTER SEQUENCE pg_class CYCLE; -- error, not a sequence
ERROR: "pg_class" is not a sequence
CREATE SEQUENCE sequence_test2 START WITH 32;
CREATE SEQUENCE sequence_test4 INCREMENT BY -1;
SELECT nextval('sequence_test2');
nextval
---------
32
(1 row)
SELECT nextval('sequence_test4');
nextval
---------
-1
(1 row)
ALTER SEQUENCE sequence_test2 RESTART;
SELECT nextval('sequence_test2');
nextval
---------
32
(1 row)
ALTER SEQUENCE sequence_test2 RESTART WITH 0; -- error
ERROR: RESTART value (0) cannot be less than MINVALUE (1)
ALTER SEQUENCE sequence_test4 RESTART WITH 40; -- error
ERROR: RESTART value (40) cannot be greater than MAXVALUE (-1)
-- test CYCLE and NO CYCLE
ALTER SEQUENCE sequence_test2 RESTART WITH 24
INCREMENT BY 4 MAXVALUE 36 MINVALUE 5 CYCLE;
INCREMENT BY 4 MAXVALUE 36 MINVALUE 5 CYCLE;
SELECT nextval('sequence_test2');
nextval
---------
@ -277,13 +328,26 @@ SELECT nextval('sequence_test2');
36
(1 row)
SELECT nextval('sequence_test2');
SELECT nextval('sequence_test2'); -- cycled
nextval
---------
5
(1 row)
ALTER SEQUENCE sequence_test2 RESTART;
ALTER SEQUENCE sequence_test2 RESTART WITH 24
NO CYCLE;
SELECT nextval('sequence_test2');
nextval
---------
24
(1 row)
SELECT nextval('sequence_test2');
nextval
---------
28
(1 row)
SELECT nextval('sequence_test2');
nextval
---------
@ -296,45 +360,121 @@ SELECT nextval('sequence_test2');
36
(1 row)
SELECT nextval('sequence_test2'); -- error
ERROR: nextval: reached maximum value of sequence "sequence_test2" (36)
ALTER SEQUENCE sequence_test2 RESTART WITH -24 START WITH -24
INCREMENT BY -4 MINVALUE -36 MAXVALUE -5 CYCLE;
SELECT nextval('sequence_test2');
nextval
---------
5
-24
(1 row)
SELECT nextval('sequence_test2');
nextval
---------
-28
(1 row)
SELECT nextval('sequence_test2');
nextval
---------
-32
(1 row)
SELECT nextval('sequence_test2');
nextval
---------
-36
(1 row)
SELECT nextval('sequence_test2'); -- cycled
nextval
---------
-5
(1 row)
ALTER SEQUENCE sequence_test2 RESTART WITH -24
NO CYCLE;
SELECT nextval('sequence_test2');
nextval
---------
-24
(1 row)
SELECT nextval('sequence_test2');
nextval
---------
-28
(1 row)
SELECT nextval('sequence_test2');
nextval
---------
-32
(1 row)
SELECT nextval('sequence_test2');
nextval
---------
-36
(1 row)
SELECT nextval('sequence_test2'); -- error
ERROR: nextval: reached minimum value of sequence "sequence_test2" (-36)
-- 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
ERROR: setval: value -100 is out of bounds for sequence "sequence_test2" (5..36)
SELECT setval('sequence_test2', 100); -- error
ERROR: setval: value 100 is out of bounds for sequence "sequence_test2" (5..36)
SELECT setval('sequence_test2', 5);
setval
--------
5
(1 row)
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;
sequence_catalog | sequence_schema | sequence_name | data_type | numeric_precision | numeric_precision_radix | numeric_scale | start_value | minimum_value | maximum_value | increment | cycle_option
------------------+-----------------+--------------------+-----------+-------------------+-------------------------+---------------+-------------+---------------+---------------------+-----------+--------------
regression | public | sequence_test2 | bigint | 64 | 2 | 0 | 32 | 5 | 36 | 4 | YES
regression | public | sequence_test3 | bigint | 64 | 2 | 0 | 1 | 1 | 9223372036854775807 | 1 | NO
regression | public | serialtest2_f2_seq | bigint | 64 | 2 | 0 | 1 | 1 | 9223372036854775807 | 1 | NO
regression | public | serialtest2_f3_seq | bigint | 64 | 2 | 0 | 1 | 1 | 9223372036854775807 | 1 | NO
regression | public | serialtest2_f4_seq | bigint | 64 | 2 | 0 | 1 | 1 | 9223372036854775807 | 1 | NO
regression | public | serialtest2_f5_seq | bigint | 64 | 2 | 0 | 1 | 1 | 9223372036854775807 | 1 | NO
regression | public | serialtest2_f6_seq | bigint | 64 | 2 | 0 | 1 | 1 | 9223372036854775807 | 1 | NO
(7 rows)
sequence_catalog | sequence_schema | sequence_name | data_type | numeric_precision | numeric_precision_radix | numeric_scale | start_value | minimum_value | maximum_value | increment | cycle_option
------------------+-----------------+--------------------+-----------+-------------------+-------------------------+---------------+-------------+----------------------+---------------------+-----------+--------------
regression | public | sequence_test2 | bigint | 64 | 2 | 0 | 32 | 5 | 36 | 4 | YES
regression | public | sequence_test3 | bigint | 64 | 2 | 0 | 1 | 1 | 9223372036854775807 | 1 | NO
regression | public | sequence_test4 | bigint | 64 | 2 | 0 | -1 | -9223372036854775808 | -1 | -1 | NO
regression | public | serialtest2_f2_seq | bigint | 64 | 2 | 0 | 1 | 1 | 9223372036854775807 | 1 | NO
regression | public | serialtest2_f3_seq | bigint | 64 | 2 | 0 | 1 | 1 | 9223372036854775807 | 1 | NO
regression | public | serialtest2_f4_seq | bigint | 64 | 2 | 0 | 1 | 1 | 9223372036854775807 | 1 | NO
regression | public | serialtest2_f5_seq | bigint | 64 | 2 | 0 | 1 | 1 | 9223372036854775807 | 1 | NO
regression | public | serialtest2_f6_seq | bigint | 64 | 2 | 0 | 1 | 1 | 9223372036854775807 | 1 | NO
regression | public | serialtest_f2_foo | bigint | 64 | 2 | 0 | 1 | 1 | 9223372036854775807 | 1 | NO
(9 rows)
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;
schemaname | sequencename | start_value | min_value | max_value | increment_by | cycle | cache_size | last_value
------------+--------------------+-------------+-----------+---------------------+--------------+-------+------------+------------
public | sequence_test2 | 32 | 5 | 36 | 4 | t | 1 | 5
public | sequence_test3 | 1 | 1 | 9223372036854775807 | 1 | f | 1 |
public | serialtest2_f2_seq | 1 | 1 | 9223372036854775807 | 1 | f | 1 | 2
public | serialtest2_f3_seq | 1 | 1 | 9223372036854775807 | 1 | f | 1 | 2
public | serialtest2_f4_seq | 1 | 1 | 9223372036854775807 | 1 | f | 1 | 2
public | serialtest2_f5_seq | 1 | 1 | 9223372036854775807 | 1 | f | 1 | 2
public | serialtest2_f6_seq | 1 | 1 | 9223372036854775807 | 1 | f | 1 | 2
(7 rows)
schemaname | sequencename | start_value | min_value | max_value | increment_by | cycle | cache_size | last_value
------------+--------------------+-------------+----------------------+---------------------+--------------+-------+------------+------------
public | sequence_test2 | 32 | 5 | 36 | 4 | t | 1 | 5
public | sequence_test3 | 1 | 1 | 9223372036854775807 | 1 | f | 1 |
public | sequence_test4 | -1 | -9223372036854775808 | -1 | -1 | f | 1 | -1
public | serialtest2_f2_seq | 1 | 1 | 9223372036854775807 | 1 | f | 1 | 2
public | serialtest2_f3_seq | 1 | 1 | 9223372036854775807 | 1 | f | 1 | 2
public | serialtest2_f4_seq | 1 | 1 | 9223372036854775807 | 1 | f | 1 | 2
public | serialtest2_f5_seq | 1 | 1 | 9223372036854775807 | 1 | f | 1 | 2
public | serialtest2_f6_seq | 1 | 1 | 9223372036854775807 | 1 | f | 1 | 2
public | serialtest_f2_foo | 1 | 1 | 9223372036854775807 | 1 | f | 1 | 3
(9 rows)
SELECT * FROM pg_sequence_parameters('sequence_test4'::regclass);
start_value | minimum_value | maximum_value | increment | cycle_option | cache_size
-------------+----------------------+---------------+-----------+--------------+------------
-1 | -9223372036854775808 | -1 | -1 | f | 1
(1 row)
-- Test comments
COMMENT ON SEQUENCE asdf IS 'won''t work';
@ -388,6 +528,28 @@ DROP SEQUENCE seq2;
SELECT lastval();
ERROR: lastval is not yet defined in this session
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
nextval
---------
1
(1 row)
SELECT nextval('sequence_test2'); -- error
ERROR: cannot execute nextval() in a read-only transaction
ROLLBACK;
START TRANSACTION READ ONLY;
SELECT setval('sequence_test_temp1', 1); -- ok
setval
--------
1
(1 row)
SELECT setval('sequence_test2', 1); -- error
ERROR: cannot execute setval() in a read-only transaction
ROLLBACK;
-- privileges tests
-- nextval
BEGIN;
@ -523,6 +685,35 @@ SELECT lastval();
1
(1 row)
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);
ERROR: permission denied for sequence seq3
ROLLBACK TO save;
GRANT UPDATE ON seq3 TO regress_seq_user;
SELECT setval('seq3', 5);
setval
--------
5
(1 row)
SELECT nextval('seq3');
nextval
---------
6
(1 row)
ROLLBACK;
-- ALTER SEQUENCE
BEGIN;
SET LOCAL SESSION AUTHORIZATION regress_seq_user;
ALTER SEQUENCE sequence_test2 START WITH 1;
ERROR: must be owner of relation sequence_test2
ROLLBACK;
-- Sequences should get wiped out as well:
DROP TABLE serialTest, serialTest2;

106
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');
SELECT nextval('sequence_test4');
ALTER SEQUENCE sequence_test2 RESTART;
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;
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;
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;

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