path: root/src/test/regress/expected/xc_sequence.out

--
-- XC_SEQUENCE
--
-- Check of callback mechanisms on GTM
-- Sequence DROP and CREATE
-- Rollback a creation
BEGIN;
CREATE SEQUENCE xc_sequence_1;
SELECT nextval('xc_sequence_1'); -- ok
 nextval 
---------
       1
(1 row)

ROLLBACK;
SELECT nextval('xc_sequence_1'); -- fail
ERROR:  relation "xc_sequence_1" does not exist
LINE 1: SELECT nextval('xc_sequence_1');
                       ^
-- Commit a creation
BEGIN;
CREATE SEQUENCE xc_sequence_1;
SELECT nextval('xc_sequence_1'); -- ok
 nextval 
---------
       1
(1 row)

COMMIT;
SELECT nextval('xc_sequence_1'); -- ok
 nextval 
---------
       2
(1 row)

-- Rollback a drop
BEGIN;
DROP SEQUENCE xc_sequence_1;
SELECT nextval('xc_sequence_1'); -- fail
ERROR:  relation "xc_sequence_1" does not exist
LINE 1: SELECT nextval('xc_sequence_1');
                       ^
ROLLBACK;
SELECT nextval('xc_sequence_1'); -- ok, previous transaction failed
 nextval 
---------
       3
(1 row)

-- Commit a drop
BEGIN;
DROP SEQUENCE xc_sequence_1;
COMMIT;
SELECT nextval('xc_sequence_1'); -- fail
ERROR:  relation "xc_sequence_1" does not exist
LINE 1: SELECT nextval('xc_sequence_1');
                       ^
-- SEQUENCE RENAME TO
-- Rollback a renaming
CREATE SEQUENCE xc_sequence_1;
SELECT nextval('xc_sequence_1'); -- ok
 nextval 
---------
       1
(1 row)

BEGIN;
ALTER SEQUENCE xc_sequence_1 RENAME TO xc_sequence_2;
SELECT nextval('xc_sequence_2'); -- ok
 nextval 
---------
       2
(1 row)

ROLLBACK;
SELECT nextval('xc_sequence_1'); -- ok
 nextval 
---------
       3
(1 row)

-- Commit a renaming
BEGIN;
ALTER SEQUENCE xc_sequence_1 RENAME TO xc_sequence_2;
SELECT nextval('xc_sequence_2'); -- ok
 nextval 
---------
       4
(1 row)

COMMIT;
SELECT nextval('xc_sequence_2'); -- ok
 nextval 
---------
       5
(1 row)

DROP SEQUENCE xc_sequence_2;
-- Columns with SERIAL
-- Serial sequence is named xc_sequence_tab1_col2_seq
CREATE TABLE xc_sequence_tab1 (col1 int, col2 serial) DISTRIBUTE BY ROUNDROBIN;
-- Some data
INSERT INTO xc_sequence_tab1 VALUES (1, DEFAULT);
INSERT INTO xc_sequence_tab1 VALUES (2, DEFAULT);
SELECT col1, col2 FROM xc_sequence_tab1 ORDER BY 1;
 col1 | col2 
------+------
    1 |    1
    2 |    2
(2 rows)

-- Rollback a SERIAL column drop
BEGIN;
ALTER TABLE xc_sequence_tab1 DROP COLUMN col2;
INSERT INTO xc_sequence_tab1 VALUES (3);
SELECT col1 FROM xc_sequence_tab1 ORDER BY 1;
 col1 
------
    1
    2
    3
(3 rows)

ROLLBACK;
SELECT nextval('xc_sequence_tab1_col2_seq'); -- ok
 nextval 
---------
       3
(1 row)

-- Commit a SERIAL column drop
BEGIN;
ALTER TABLE xc_sequence_tab1 DROP COLUMN col2;
INSERT INTO xc_sequence_tab1 VALUES (3);
SELECT col1 FROM xc_sequence_tab1 ORDER BY 1;
 col1 
------
    1
    2
    3
(3 rows)

COMMIT;
DROP TABLE xc_sequence_tab1;
-- Need to recreate here, serial column is no more
CREATE TABLE xc_sequence_tab1 (col1 int, col2 serial) DISTRIBUTE BY ROUNDROBIN;
INSERT INTO xc_sequence_tab1 VALUES (1234, DEFAULT);
SELECT col1, col2 FROM xc_sequence_tab1 ORDER BY 1;
 col1 | col2 
------+------
 1234 |    1
(1 row)

-- Rollback of a table with SERIAL
BEGIN;
DROP TABLE xc_sequence_tab1;
ROLLBACK;
SELECT nextval('xc_sequence_tab1_col2_seq'); -- ok
 nextval 
---------
       2
(1 row)

-- Commit of a table with SERIAL
BEGIN;
DROP TABLE xc_sequence_tab1;
COMMIT;
-- Recreate a sequence with the same name as previous SERIAL one
CREATE SEQUENCE xc_sequence_tab1_col2_seq START 2344;
SELECT nextval('xc_sequence_tab1_col2_seq'); -- ok
 nextval 
---------
    2344
(1 row)

DROP SEQUENCE xc_sequence_tab1_col2_seq;
-- As simple test that sequences are dropped properly
CREATE SEQUENCE xl_s1;
SELECT nextval('xl_s1');
 nextval 
---------
       1
(1 row)

DROP SEQUENCE xl_s1;
-- Check if rollback reverses sequence drop properly
CREATE SEQUENCE xl_s1;
BEGIN;
DROP SEQUENCE xl_s1;
ROLLBACK;
DROP SEQUENCE xl_s1;
-- Check if commit makes sequence drop permanent
CREATE SEQUENCE xl_s1;
BEGIN;
DROP SEQUENCE xl_s1;
COMMIT;
DROP SEQUENCE xl_s1; -- error
ERROR:  sequence "xl_s1" does not exist
-- Drop a sequence and recreate another sequence with the same name in the same
-- transaction. Check that transaction abort does not cause any surprising
-- behaviour
CREATE SEQUENCE xl_s1;
SELECT nextval('xl_s1');
 nextval 
---------
       1
(1 row)

SELECT nextval('xl_s1');
 nextval 
---------
       2
(1 row)

BEGIN;
DROP SEQUENCE xl_s1;
CREATE SEQUENCE xl_s1;	-- create again with the same name
SELECT nextval('xl_s1');-- new value
 nextval 
---------
       1
(1 row)

ROLLBACK;
SELECT nextval('xl_s1');-- sequence value changes are not transactional
 nextval 
---------
       3
(1 row)

DROP SEQUENCE xl_s1;
-- Check sequence renaming works ok
CREATE SEQUENCE xl_s1;
SELECT nextval('xl_s1');
 nextval 
---------
       1
(1 row)

SELECT nextval('xl_s1');
 nextval 
---------
       2
(1 row)

ALTER SEQUENCE xl_s1 RENAME TO xl_s1_newname;
SELECT nextval('xl_s1');	-- error
ERROR:  relation "xl_s1" does not exist
LINE 1: SELECT nextval('xl_s1');
                       ^
SELECT nextval('xl_s1_newname');	-- continue with the previous value-space
 nextval 
---------
       3
(1 row)

DROP SEQUENCE xl_s1;	-- error
ERROR:  sequence "xl_s1" does not exist
DROP SEQUENCE xl_s1_newname;	-- should be ok
-- A combination of ALTER and RENAME should work ok when transaction aborts
CREATE SEQUENCE xl_s1;
SELECT nextval('xl_s1');
 nextval 
---------
       1
(1 row)

SELECT nextval('xl_s1');
 nextval 
---------
       2
(1 row)

BEGIN;
ALTER SEQUENCE xl_s1 RESTART;
SELECT nextval('xl_s1');	-- restart value
 nextval 
---------
       1
(1 row)

DROP SEQUENCE xl_s1;
ROLLBACK;
SELECT nextval('xl_s1');
 nextval 
---------
       2
(1 row)

DROP SEQUENCE xl_s1;
-- A combination of ALTER and RENAME should work ok when transacion commits
CREATE SEQUENCE xl_s1;
SELECT nextval('xl_s1');
 nextval 
---------
       1
(1 row)

SELECT nextval('xl_s1');
 nextval 
---------
       2
(1 row)

BEGIN;
ALTER SEQUENCE xl_s1 RESTART;
SELECT nextval('xl_s1');	-- restart value
 nextval 
---------
       1
(1 row)

ALTER SEQUENCE xl_s1 RENAME TO xl_s1_newname;
SELECT nextval('xl_s1_newname');
 nextval 
---------
       2
(1 row)

ALTER SEQUENCE xl_s1_newname RENAME TO xl_s1;
ALTER SEQUENCE xl_s1 RESTART;
COMMIT;
SELECT nextval('xl_s1');
 nextval 
---------
       1
(1 row)

DROP SEQUENCE xl_s1;
-- Multiple RENAMEs in the same transaction
CREATE SEQUENCE xl_s1;
SELECT nextval('xl_s1');
 nextval 
---------
       1
(1 row)

SELECT nextval('xl_s1');
 nextval 
---------
       2
(1 row)

BEGIN;
ALTER SEQUENCE xl_s1 RESTART;
SELECT nextval('xl_s1');	-- restart value
 nextval 
---------
       1
(1 row)

ALTER SEQUENCE xl_s1 RENAME TO xl_s1_newname;
SELECT nextval('xl_s1_newname');
 nextval 
---------
       2
(1 row)

ALTER SEQUENCE xl_s1_newname RENAME TO xl_s1;
ALTER SEQUENCE xl_s1 RESTART;
DROP SEQUENCE xl_s1;
COMMIT;
SELECT nextval('xl_s1');
ERROR:  relation "xl_s1" does not exist
LINE 1: SELECT nextval('xl_s1');
                       ^
DROP SEQUENCE xl_s1;
ERROR:  sequence "xl_s1" does not exist
-- Multiple RENAMEs in the same transaction and the transaction aborts
CREATE SEQUENCE xl_s1;
SELECT nextval('xl_s1');
 nextval 
---------
       1
(1 row)

SELECT nextval('xl_s1');
 nextval 
---------
       2
(1 row)

BEGIN;
ALTER SEQUENCE xl_s1 RESTART;
SELECT nextval('xl_s1');	-- restart value
 nextval 
---------
       1
(1 row)

ALTER SEQUENCE xl_s1 RENAME TO xl_s1_newname;
SELECT nextval('xl_s1_newname');
 nextval 
---------
       2
(1 row)

ALTER SEQUENCE xl_s1_newname RENAME TO xl_s1;
ALTER SEQUENCE xl_s1 RESTART;
DROP SEQUENCE xl_s1;
ROLLBACK;
SELECT nextval('xl_s1');
 nextval 
---------
       1
(1 row)

DROP SEQUENCE xl_s1;
-- Rename back to original value, but abort the transaction
CREATE SEQUENCE xl_s1;
SELECT nextval('xl_s1');
 nextval 
---------
       1
(1 row)

BEGIN;
ALTER SEQUENCE xl_s1 RENAME TO xl_s1_newname;
ALTER SEQUENCE xl_s1_newname RENAME TO xl_s1;
SELECT nextval('xl_s1');
 nextval 
---------
       2
(1 row)

ROLLBACK;
SELECT nextval('xl_s1');
 nextval 
---------
       3
(1 row)

DROP SEQUENCE xl_s1;
-- Rename back to original value
CREATE SEQUENCE xl_s1;
SELECT nextval('xl_s1');
 nextval 
---------
       1
(1 row)

BEGIN;
ALTER SEQUENCE xl_s1 RENAME TO xl_s1_newname;
ALTER SEQUENCE xl_s1_newname RENAME TO xl_s1;
SELECT nextval('xl_s1');
 nextval 
---------
       2
(1 row)

COMMIT;
SELECT nextval('xl_s1');
 nextval 
---------
       3
(1 row)

CREATE TABLE xl_testtab (a serial, b int);
ALTER TABLE xl_testtab RENAME TO xl_testtab_newname;
\d+ xl_testtab_newname
                                           Table "public.xl_testtab_newname"
 Column |  Type   | Collation | Nullable |                Default                | Storage | Stats target | Description 
--------+---------+-----------+----------+---------------------------------------+---------+--------------+-------------
 a      | integer |           | not null | nextval('xl_testtab_a_seq'::regclass) | plain   |              | 
 b      | integer |           |          |                                       | plain   |              | 
Distribute By: HASH(a)
Location Nodes: ALL DATANODES