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|
--
-- 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_class_oid_index.oid; -- not a table
ERROR: referenced relation "pg_class_oid_index" 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;
-- sequence data types
CREATE SEQUENCE sequence_test5 AS integer;
CREATE SEQUENCE sequence_test6 AS smallint;
CREATE SEQUENCE sequence_test7 AS bigint;
CREATE SEQUENCE sequence_test8 AS integer MAXVALUE 100000;
CREATE SEQUENCE sequence_test9 AS integer INCREMENT BY -1;
CREATE SEQUENCE sequence_test10 AS integer MINVALUE -100000 START 1;
CREATE SEQUENCE sequence_test11 AS smallint;
CREATE SEQUENCE sequence_test12 AS smallint INCREMENT -1;
CREATE SEQUENCE sequence_test13 AS smallint MINVALUE -32768;
CREATE SEQUENCE sequence_test14 AS smallint MAXVALUE 32767 INCREMENT -1;
CREATE SEQUENCE sequence_testx AS text;
ERROR: sequence type must be smallint, integer, or bigint
CREATE SEQUENCE sequence_testx AS nosuchtype;
ERROR: type "nosuchtype" does not exist
LINE 1: CREATE SEQUENCE sequence_testx AS nosuchtype;
^
CREATE SEQUENCE sequence_testx AS smallint MAXVALUE 100000;
ERROR: MAXVALUE (100000) is out of range for sequence data type smallint
CREATE SEQUENCE sequence_testx AS smallint MINVALUE -100000;
ERROR: MINVALUE (-100000) is out of range for sequence data type smallint
ALTER SEQUENCE sequence_test5 AS smallint; -- success, max will be adjusted
ALTER SEQUENCE sequence_test8 AS smallint; -- fail, max has to be adjusted
ERROR: MAXVALUE (100000) is out of range for sequence data type smallint
ALTER SEQUENCE sequence_test8 AS smallint MAXVALUE 20000; -- ok now
ALTER SEQUENCE sequence_test9 AS smallint; -- success, min will be adjusted
ALTER SEQUENCE sequence_test10 AS smallint; -- fail, min has to be adjusted
ERROR: MINVALUE (-100000) is out of range for sequence data type smallint
ALTER SEQUENCE sequence_test10 AS smallint MINVALUE -20000; -- ok now
ALTER SEQUENCE sequence_test11 AS int; -- max will be adjusted
ALTER SEQUENCE sequence_test12 AS int; -- min will be adjusted
ALTER SEQUENCE sequence_test13 AS int; -- min and max will be adjusted
ALTER SEQUENCE sequence_test14 AS int; -- min and max will be adjusted
---
--- test creation of SERIAL column
---
CREATE TABLE serialTest1 (f1 text, f2 serial);
INSERT INTO serialTest1 VALUES ('foo');
INSERT INTO serialTest1 VALUES ('bar');
INSERT INTO serialTest1 VALUES ('force', 100);
INSERT INTO serialTest1 VALUES ('wrong', NULL);
ERROR: null value in column "f2" of relation "serialtest1" violates not-null constraint
DETAIL: Failing row contains (wrong, null).
SELECT * FROM serialTest1;
f1 | f2
-------+-----
foo | 1
bar | 2
force | 100
(3 rows)
SELECT pg_get_serial_sequence('serialTest1', 'f2');
pg_get_serial_sequence
---------------------------
public.serialtest1_f2_seq
(1 row)
-- test smallserial / bigserial
CREATE TABLE serialTest2 (f1 text, f2 serial, f3 smallserial, f4 serial2,
f5 bigserial, f6 serial8);
INSERT INTO serialTest2 (f1)
VALUES ('test_defaults');
INSERT INTO serialTest2 (f1, f2, f3, f4, f5, f6)
VALUES ('test_max_vals', 2147483647, 32767, 32767, 9223372036854775807,
9223372036854775807),
('test_min_vals', -2147483648, -32768, -32768, -9223372036854775808,
-9223372036854775808);
-- All these INSERTs should fail:
INSERT INTO serialTest2 (f1, f3)
VALUES ('bogus', -32769);
ERROR: smallint out of range
INSERT INTO serialTest2 (f1, f4)
VALUES ('bogus', -32769);
ERROR: smallint out of range
INSERT INTO serialTest2 (f1, f3)
VALUES ('bogus', 32768);
ERROR: smallint out of range
INSERT INTO serialTest2 (f1, f4)
VALUES ('bogus', 32768);
ERROR: smallint out of range
INSERT INTO serialTest2 (f1, f5)
VALUES ('bogus', -9223372036854775809);
ERROR: bigint out of range
INSERT INTO serialTest2 (f1, f6)
VALUES ('bogus', -9223372036854775809);
ERROR: bigint out of range
INSERT INTO serialTest2 (f1, f5)
VALUES ('bogus', 9223372036854775808);
ERROR: bigint out of range
INSERT INTO serialTest2 (f1, f6)
VALUES ('bogus', 9223372036854775808);
ERROR: bigint out of range
SELECT * FROM serialTest2 ORDER BY f2 ASC;
f1 | f2 | f3 | f4 | f5 | f6
---------------+-------------+--------+--------+----------------------+----------------------
test_min_vals | -2147483648 | -32768 | -32768 | -9223372036854775808 | -9223372036854775808
test_defaults | 1 | 1 | 1 | 1 | 1
test_max_vals | 2147483647 | 32767 | 32767 | 9223372036854775807 | 9223372036854775807
(3 rows)
SELECT nextval('serialTest2_f2_seq');
nextval
---------
2
(1 row)
SELECT nextval('serialTest2_f3_seq');
nextval
---------
2
(1 row)
SELECT nextval('serialTest2_f4_seq');
nextval
---------
2
(1 row)
SELECT nextval('serialTest2_f5_seq');
nextval
---------
2
(1 row)
SELECT nextval('serialTest2_f6_seq');
nextval
---------
2
(1 row)
-- basic sequence operations using both text and oid references
CREATE SEQUENCE sequence_test;
CREATE SEQUENCE IF NOT EXISTS sequence_test;
NOTICE: relation "sequence_test" already exists, skipping
SELECT nextval('sequence_test'::text);
nextval
---------
1
(1 row)
SELECT nextval('sequence_test'::regclass);
nextval
---------
2
(1 row)
SELECT currval('sequence_test'::text);
currval
---------
2
(1 row)
SELECT currval('sequence_test'::regclass);
currval
---------
2
(1 row)
SELECT setval('sequence_test'::text, 32);
setval
--------
32
(1 row)
SELECT nextval('sequence_test'::regclass);
nextval
---------
33
(1 row)
SELECT setval('sequence_test'::text, 99, false);
setval
--------
99
(1 row)
SELECT nextval('sequence_test'::regclass);
nextval
---------
99
(1 row)
SELECT setval('sequence_test'::regclass, 32);
setval
--------
32
(1 row)
SELECT nextval('sequence_test'::text);
nextval
---------
33
(1 row)
SELECT setval('sequence_test'::regclass, 99, false);
setval
--------
99
(1 row)
SELECT nextval('sequence_test'::text);
nextval
---------
99
(1 row)
DISCARD SEQUENCES;
SELECT currval('sequence_test'::regclass);
ERROR: currval of sequence "sequence_test" is not yet defined in this session
DROP SEQUENCE sequence_test;
-- renaming sequences
CREATE SEQUENCE foo_seq;
ALTER TABLE foo_seq RENAME TO foo_seq_new;
SELECT * FROM foo_seq_new;
last_value | log_cnt | is_called
------------+---------+-----------
1 | 0 | f
(1 row)
SELECT nextval('foo_seq_new');
nextval
---------
1
(1 row)
SELECT nextval('foo_seq_new');
nextval
---------
2
(1 row)
-- log_cnt can be higher if there is a checkpoint just at the right
-- time, so just test for the expected range
SELECT last_value, log_cnt IN (31, 32) AS log_cnt_ok, is_called FROM foo_seq_new;
last_value | log_cnt_ok | is_called
------------+------------+-----------
2 | t | t
(1 row)
DROP SEQUENCE foo_seq_new;
-- renaming serial sequences
ALTER TABLE serialtest1_f2_seq RENAME TO serialtest1_f2_foo;
INSERT INTO serialTest1 VALUES ('more');
SELECT * FROM serialTest1;
f1 | f2
-------+-----
foo | 1
bar | 2
force | 100
more | 3
(4 rows)
--
-- Check dependencies of serial and ordinary sequences
--
CREATE TEMP SEQUENCE myseq2;
CREATE TEMP SEQUENCE myseq3;
CREATE TEMP TABLE t1 (
f1 serial,
f2 int DEFAULT nextval('myseq2'),
f3 int DEFAULT nextval('myseq3'::text)
);
-- Both drops should fail, but with different error messages:
DROP SEQUENCE t1_f1_seq;
ERROR: cannot drop sequence t1_f1_seq because other objects depend on it
DETAIL: default value for column f1 of table t1 depends on sequence t1_f1_seq
HINT: Use DROP ... CASCADE to drop the dependent objects too.
DROP SEQUENCE myseq2;
ERROR: cannot drop sequence myseq2 because other objects depend on it
DETAIL: default value for column f2 of table t1 depends on sequence myseq2
HINT: Use DROP ... CASCADE to drop the dependent objects too.
-- This however will work:
DROP SEQUENCE myseq3;
DROP TABLE t1;
-- Fails because no longer existent:
DROP SEQUENCE t1_f1_seq;
ERROR: sequence "t1_f1_seq" does not exist
-- Now OK:
DROP SEQUENCE myseq2;
--
-- Alter sequence
--
ALTER SEQUENCE IF EXISTS sequence_test2 RESTART WITH 24
INCREMENT BY 4 MAXVALUE 36 MINVALUE 5 CYCLE;
NOTICE: relation "sequence_test2" does not exist, skipping
ALTER SEQUENCE serialTest1 CYCLE; -- error, not a sequence
ERROR: "serialtest1" 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;
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'); -- 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 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
---------
-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 ~ 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_test10 | smallint | 16 | 2 | 0 | 1 | -20000 | 32767 | 1 | NO
regression | public | sequence_test11 | integer | 32 | 2 | 0 | 1 | 1 | 2147483647 | 1 | NO
regression | public | sequence_test12 | integer | 32 | 2 | 0 | -1 | -2147483648 | -1 | -1 | NO
regression | public | sequence_test13 | integer | 32 | 2 | 0 | -32768 | -2147483648 | 2147483647 | 1 | NO
regression | public | sequence_test14 | integer | 32 | 2 | 0 | 32767 | -2147483648 | 2147483647 | -1 | NO
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 | sequence_test5 | smallint | 16 | 2 | 0 | 1 | 1 | 32767 | 1 | NO
regression | public | sequence_test6 | smallint | 16 | 2 | 0 | 1 | 1 | 32767 | 1 | NO
regression | public | sequence_test7 | bigint | 64 | 2 | 0 | 1 | 1 | 9223372036854775807 | 1 | NO
regression | public | sequence_test8 | smallint | 16 | 2 | 0 | 1 | 1 | 20000 | 1 | NO
regression | public | sequence_test9 | smallint | 16 | 2 | 0 | -1 | -32768 | -1 | -1 | NO
regression | public | serialtest1_f2_foo | integer | 32 | 2 | 0 | 1 | 1 | 2147483647 | 1 | NO
regression | public | serialtest2_f2_seq | integer | 32 | 2 | 0 | 1 | 1 | 2147483647 | 1 | NO
regression | public | serialtest2_f3_seq | smallint | 16 | 2 | 0 | 1 | 1 | 32767 | 1 | NO
regression | public | serialtest2_f4_seq | smallint | 16 | 2 | 0 | 1 | 1 | 32767 | 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
(19 rows)
SELECT schemaname, sequencename, start_value, min_value, max_value, increment_by, cycle, cache_size, last_value
FROM pg_sequences
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_test10 | 1 | -20000 | 32767 | 1 | f | 1 |
public | sequence_test11 | 1 | 1 | 2147483647 | 1 | f | 1 |
public | sequence_test12 | -1 | -2147483648 | -1 | -1 | f | 1 |
public | sequence_test13 | -32768 | -2147483648 | 2147483647 | 1 | f | 1 |
public | sequence_test14 | 32767 | -2147483648 | 2147483647 | -1 | f | 1 |
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 | sequence_test5 | 1 | 1 | 32767 | 1 | f | 1 |
public | sequence_test6 | 1 | 1 | 32767 | 1 | f | 1 |
public | sequence_test7 | 1 | 1 | 9223372036854775807 | 1 | f | 1 |
public | sequence_test8 | 1 | 1 | 20000 | 1 | f | 1 |
public | sequence_test9 | -1 | -32768 | -1 | -1 | f | 1 |
public | serialtest1_f2_foo | 1 | 1 | 2147483647 | 1 | f | 1 | 3
public | serialtest2_f2_seq | 1 | 1 | 2147483647 | 1 | f | 1 | 2
public | serialtest2_f3_seq | 1 | 1 | 32767 | 1 | f | 1 | 2
public | serialtest2_f4_seq | 1 | 1 | 32767 | 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
(19 rows)
SELECT * FROM pg_sequence_parameters('sequence_test4'::regclass);
start_value | minimum_value | maximum_value | increment | cycle_option | cache_size | data_type
-------------+----------------------+---------------+-----------+--------------+------------+-----------
-1 | -9223372036854775808 | -1 | -1 | f | 1 | 20
(1 row)
\d sequence_test4
Sequence "public.sequence_test4"
Type | Start | Minimum | Maximum | Increment | Cycles? | Cache
--------+-------+----------------------+---------+-----------+---------+-------
bigint | -1 | -9223372036854775808 | -1 | -1 | no | 1
\d serialtest2_f2_seq
Sequence "public.serialtest2_f2_seq"
Type | Start | Minimum | Maximum | Increment | Cycles? | Cache
---------+-------+---------+------------+-----------+---------+-------
integer | 1 | 1 | 2147483647 | 1 | no | 1
Owned by: public.serialtest2.f2
-- Test comments
COMMENT ON SEQUENCE asdf IS 'won''t work';
ERROR: relation "asdf" does not exist
COMMENT ON SEQUENCE sequence_test2 IS 'will work';
COMMENT ON SEQUENCE sequence_test2 IS NULL;
-- Test lastval()
CREATE SEQUENCE seq;
SELECT nextval('seq');
nextval
---------
1
(1 row)
SELECT lastval();
lastval
---------
1
(1 row)
SELECT setval('seq', 99);
setval
--------
99
(1 row)
SELECT lastval();
lastval
---------
99
(1 row)
DISCARD SEQUENCES;
SELECT lastval();
ERROR: lastval is not yet defined in this session
CREATE SEQUENCE seq2;
SELECT nextval('seq2');
nextval
---------
1
(1 row)
SELECT lastval();
lastval
---------
1
(1 row)
DROP SEQUENCE seq2;
-- should fail
SELECT lastval();
ERROR: lastval is not yet defined in this session
-- 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
CREATE USER regress_seq_user;
-- nextval
BEGIN;
SET LOCAL SESSION AUTHORIZATION regress_seq_user;
CREATE SEQUENCE seq3;
REVOKE ALL ON seq3 FROM regress_seq_user;
GRANT SELECT ON seq3 TO regress_seq_user;
SELECT nextval('seq3');
ERROR: permission denied for sequence seq3
ROLLBACK;
BEGIN;
SET LOCAL SESSION AUTHORIZATION regress_seq_user;
CREATE SEQUENCE seq3;
REVOKE ALL ON seq3 FROM regress_seq_user;
GRANT UPDATE ON seq3 TO regress_seq_user;
SELECT nextval('seq3');
nextval
---------
1
(1 row)
ROLLBACK;
BEGIN;
SET LOCAL SESSION AUTHORIZATION regress_seq_user;
CREATE SEQUENCE seq3;
REVOKE ALL ON seq3 FROM regress_seq_user;
GRANT USAGE ON seq3 TO regress_seq_user;
SELECT nextval('seq3');
nextval
---------
1
(1 row)
ROLLBACK;
-- currval
BEGIN;
SET LOCAL SESSION AUTHORIZATION regress_seq_user;
CREATE SEQUENCE seq3;
SELECT nextval('seq3');
nextval
---------
1
(1 row)
REVOKE ALL ON seq3 FROM regress_seq_user;
GRANT SELECT ON seq3 TO regress_seq_user;
SELECT currval('seq3');
currval
---------
1
(1 row)
ROLLBACK;
BEGIN;
SET LOCAL SESSION AUTHORIZATION regress_seq_user;
CREATE SEQUENCE seq3;
SELECT nextval('seq3');
nextval
---------
1
(1 row)
REVOKE ALL ON seq3 FROM regress_seq_user;
GRANT UPDATE ON seq3 TO regress_seq_user;
SELECT currval('seq3');
ERROR: permission denied for sequence seq3
ROLLBACK;
BEGIN;
SET LOCAL SESSION AUTHORIZATION regress_seq_user;
CREATE SEQUENCE seq3;
SELECT nextval('seq3');
nextval
---------
1
(1 row)
REVOKE ALL ON seq3 FROM regress_seq_user;
GRANT USAGE ON seq3 TO regress_seq_user;
SELECT currval('seq3');
currval
---------
1
(1 row)
ROLLBACK;
-- lastval
BEGIN;
SET LOCAL SESSION AUTHORIZATION regress_seq_user;
CREATE SEQUENCE seq3;
SELECT nextval('seq3');
nextval
---------
1
(1 row)
REVOKE ALL ON seq3 FROM regress_seq_user;
GRANT SELECT ON seq3 TO regress_seq_user;
SELECT lastval();
lastval
---------
1
(1 row)
ROLLBACK;
BEGIN;
SET LOCAL SESSION AUTHORIZATION regress_seq_user;
CREATE SEQUENCE seq3;
SELECT nextval('seq3');
nextval
---------
1
(1 row)
REVOKE ALL ON seq3 FROM regress_seq_user;
GRANT UPDATE ON seq3 TO regress_seq_user;
SELECT lastval();
ERROR: permission denied for sequence seq3
ROLLBACK;
BEGIN;
SET LOCAL SESSION AUTHORIZATION regress_seq_user;
CREATE SEQUENCE seq3;
SELECT nextval('seq3');
nextval
---------
1
(1 row)
REVOKE ALL ON seq3 FROM regress_seq_user;
GRANT USAGE ON seq3 TO regress_seq_user;
SELECT lastval();
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 sequence sequence_test2
ROLLBACK;
-- Sequences should get wiped out as well:
DROP TABLE serialTest1, serialTest2;
-- Make sure sequences are gone:
SELECT * FROM information_schema.sequences WHERE sequence_name IN
('sequence_test2', 'serialtest2_f2_seq', 'serialtest2_f3_seq',
'serialtest2_f4_seq', 'serialtest2_f5_seq', 'serialtest2_f6_seq')
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
(1 row)
DROP USER regress_seq_user;
DROP SEQUENCE seq;
-- cache tests
CREATE SEQUENCE test_seq1 CACHE 10;
SELECT nextval('test_seq1');
nextval
---------
1
(1 row)
SELECT nextval('test_seq1');
nextval
---------
2
(1 row)
SELECT nextval('test_seq1');
nextval
---------
3
(1 row)
DROP SEQUENCE test_seq1;
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