src/test/regress/expected/sequence.out - master - githubmirror/postgres

src/test/regress/expected/sequence.out
848 строк28 KB
Peter Eisentraut
Change error message for sequence validate_relation_kind()
23 фев 2026, 12:56
23 фев 2026, 12:5655f3859
--
-- CREATE SEQUENCE
--
-- various error cases
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:  sequence cannot be owned by relation "pg_class_oid_index"
DETAIL:  This operation is not supported for indexes.
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
-- unlogged sequences
-- (more tests in src/test/recovery/)
CREATE UNLOGGED SEQUENCE sequence_test_unlogged;
ALTER SEQUENCE sequence_test_unlogged SET LOGGED;
\d sequence_test_unlogged
                   Sequence "public.sequence_test_unlogged"
  Type  | Start | Minimum |       Maximum       | Increment | Cycles? | Cache 
--------+-------+---------+---------------------+-----------+---------+-------
 bigint |     1 |       1 | 9223372036854775807 |         1 | no      |     1

ALTER SEQUENCE sequence_test_unlogged SET UNLOGGED;
\d sequence_test_unlogged
              Unlogged sequence "public.sequence_test_unlogged"
  Type  | Start | Minimum |       Maximum       | Increment | Cycles? | Cache 
--------+-------+---------+---------------------+-----------+---------+-------
 bigint |     1 |       1 | 9223372036854775807 |         1 | no      |     1

DROP SEQUENCE sequence_test_unlogged;
-- 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)

-- pg_get_sequence_data
SELECT last_value, is_called, page_lsn <= pg_current_wal_lsn() as lsn FROM pg_get_sequence_data('test_seq1');
 last_value | is_called | lsn 
------------+-----------+-----
         10 | t         | t
(1 row)

DROP SEQUENCE test_seq1;