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# # Test of function defaults for any server, including embedded. # We run the same tests with different settings for better coverage. # # # Function defaults run 1. No microsecond precision. MyISAM. # set default_storage_engine=myisam; SET TIME_ZONE = "+00:00"; SET sql_mode = 'NO_ENGINE_SUBSTITUTION'; Warnings: Warning 3090 Changing sql mode 'NO_AUTO_CREATE_USER' is deprecated. It will be removed in a future release. # # Test of errors for column data types that dont support function # defaults. # CREATE TABLE t1( a BIT DEFAULT CURRENT_TIMESTAMP ); ERROR 42000: Invalid default value for 'a' CREATE TABLE t1( a TINYINT DEFAULT CURRENT_TIMESTAMP ); ERROR 42000: Invalid default value for 'a' CREATE TABLE t1( a SMALLINT DEFAULT CURRENT_TIMESTAMP ); ERROR 42000: Invalid default value for 'a' CREATE TABLE t1( a MEDIUMINT DEFAULT CURRENT_TIMESTAMP ); ERROR 42000: Invalid default value for 'a' CREATE TABLE t1( a INT DEFAULT CURRENT_TIMESTAMP ); ERROR 42000: Invalid default value for 'a' CREATE TABLE t1( a BIGINT DEFAULT CURRENT_TIMESTAMP ); ERROR 42000: Invalid default value for 'a' CREATE TABLE t1( a FLOAT DEFAULT CURRENT_TIMESTAMP ); ERROR 42000: Invalid default value for 'a' CREATE TABLE t1( a DECIMAL DEFAULT CURRENT_TIMESTAMP ); ERROR 42000: Invalid default value for 'a' CREATE TABLE t1( a DATE DEFAULT CURRENT_TIMESTAMP ); ERROR 42000: Invalid default value for 'a' CREATE TABLE t1( a TIME DEFAULT CURRENT_TIMESTAMP ); ERROR 42000: Invalid default value for 'a' CREATE TABLE t1( a YEAR DEFAULT CURRENT_TIMESTAMP ); ERROR 42000: Invalid default value for 'a' CREATE TABLE t1( a BIT ON UPDATE CURRENT_TIMESTAMP ); ERROR HY000: Invalid ON UPDATE clause for 'a' column CREATE TABLE t1( a TINYINT ON UPDATE CURRENT_TIMESTAMP ); ERROR HY000: Invalid ON UPDATE clause for 'a' column CREATE TABLE t1( a SMALLINT ON UPDATE CURRENT_TIMESTAMP ); ERROR HY000: Invalid ON UPDATE clause for 'a' column CREATE TABLE t1( a MEDIUMINT ON UPDATE CURRENT_TIMESTAMP ); ERROR HY000: Invalid ON UPDATE clause for 'a' column CREATE TABLE t1( a INT ON UPDATE CURRENT_TIMESTAMP ); ERROR HY000: Invalid ON UPDATE clause for 'a' column CREATE TABLE t1( a BIGINT ON UPDATE CURRENT_TIMESTAMP ); ERROR HY000: Invalid ON UPDATE clause for 'a' column CREATE TABLE t1( a FLOAT ON UPDATE CURRENT_TIMESTAMP ); ERROR HY000: Invalid ON UPDATE clause for 'a' column CREATE TABLE t1( a DECIMAL ON UPDATE CURRENT_TIMESTAMP ); ERROR HY000: Invalid ON UPDATE clause for 'a' column CREATE TABLE t1( a DATE ON UPDATE CURRENT_TIMESTAMP ); ERROR HY000: Invalid ON UPDATE clause for 'a' column CREATE TABLE t1( a TIME ON UPDATE CURRENT_TIMESTAMP ); ERROR HY000: Invalid ON UPDATE clause for 'a' column CREATE TABLE t1( a YEAR ON UPDATE CURRENT_TIMESTAMP ); ERROR HY000: Invalid ON UPDATE clause for 'a' column # # Test that the default clause behaves like NOW() regarding time zones. # CREATE TABLE t1 ( a TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP, b TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP, c TIMESTAMP NOT NULL DEFAULT '0000-00-00 00:00:00' ON UPDATE CURRENT_TIMESTAMP, d TIMESTAMP NULL, e DATETIME DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP, f DATETIME DEFAULT CURRENT_TIMESTAMP, g DATETIME ON UPDATE CURRENT_TIMESTAMP, h DATETIME ); # 2011-09-27 14:11:08 UTC SET TIMESTAMP = 1317132668.654321; SET @old_time_zone = @@TIME_ZONE; SET TIME_ZONE = "+05:00"; INSERT INTO t1( d, h ) VALUES ( NOW(), NOW() ); SELECT * FROM t1; a b c d e f g h 2011-09-27 19:11:08 2011-09-27 19:11:08 0000-00-00 00:00:00 2011-09-27 19:11:08 2011-09-27 19:11:08 2011-09-27 19:11:08 NULL 2011-09-27 19:11:08 # 1989-05-13 01:02:03 SET TIMESTAMP = 611017323.543212; UPDATE t1 SET d = NOW(), h = NOW(); SELECT * FROM t1; a b c d e f g h 1989-05-13 04:02:03 2011-09-27 19:11:08 1989-05-13 04:02:03 1989-05-13 04:02:03 1989-05-13 04:02:03 2011-09-27 19:11:08 1989-05-13 04:02:03 1989-05-13 04:02:03 SET TIME_ZONE = @old_time_zone; DROP TABLE t1; # # Test of several TIMESTAMP columns with different function defaults. # CREATE TABLE t1 ( a TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP, b TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP, c TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP, d TIMESTAMP NOT NULL DEFAULT '0000-00-00 00:00:00' ON UPDATE CURRENT_TIMESTAMP, e TIMESTAMP NOT NULL DEFAULT '0000-00-00 00:00:00' ON UPDATE CURRENT_TIMESTAMP, f INT ); # 2011-04-19 07:22:02 UTC SET TIMESTAMP = 1303197722.534231; INSERT INTO t1 ( f ) VALUES (1); SELECT * FROM t1; a b c d e f 2011-04-19 07:22:02 2011-04-19 07:22:02 2011-04-19 07:22:02 0000-00-00 00:00:00 0000-00-00 00:00:00 1 # 2011-04-19 07:23:18 UTC SET TIMESTAMP = 1303197798.132435; UPDATE t1 SET f = 2; SELECT * FROM t1; a b c d e f 2011-04-19 07:23:18 2011-04-19 07:23:18 2011-04-19 07:22:02 2011-04-19 07:23:18 2011-04-19 07:23:18 2 DROP TABLE t1; # # Test of inserted values out of order. # CREATE TABLE t1 ( a INT, b TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP, c TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP, d TIMESTAMP NOT NULL DEFAULT '0000-00-00 00:00:00' ON UPDATE CURRENT_TIMESTAMP, e TIMESTAMP NULL, f DATETIME, g DATETIME DEFAULT CURRENT_TIMESTAMP, h DATETIME ON UPDATE CURRENT_TIMESTAMP, i DATETIME DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP, j INT ); # 2011-04-19 07:22:02 UTC SET TIMESTAMP = 1303197722.534231; INSERT INTO t1 ( j, a ) VALUES ( 1, 1 ); SELECT * FROM t1; a b c d e f g h i j 1 2011-04-19 07:22:02 2011-04-19 07:22:02 0000-00-00 00:00:00 NULL NULL 2011-04-19 07:22:02 NULL 2011-04-19 07:22:02 1 DROP TABLE t1; # # Test of ON DUPLICATE KEY UPDATE # CREATE TABLE t1 ( a INT PRIMARY KEY, b INT, c TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP, d TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP, e TIMESTAMP NOT NULL DEFAULT '0000-00-00 00:00:00' ON UPDATE CURRENT_TIMESTAMP, f TIMESTAMP NOT NULL DEFAULT '1986-09-27 03:00:00.098765', g TIMESTAMP NULL, h DATETIME DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP, i DATETIME DEFAULT CURRENT_TIMESTAMP, j DATETIME ON UPDATE CURRENT_TIMESTAMP, k DATETIME NULL, l DATETIME DEFAULT '1986-09-27 03:00:00.098765' ); # 1977-12-21 23:00:00 UTC SET TIMESTAMP = 251593200.192837; INSERT INTO t1(a) VALUES (1) ON DUPLICATE KEY UPDATE b = 2; SELECT * FROM t1; a b c d e f g h i j k l 1 NULL 1977-12-21 23:00:00 1977-12-21 23:00:00 0000-00-00 00:00:00 1986-09-27 03:00:00 NULL 1977-12-21 23:00:00 1977-12-21 23:00:00 NULL NULL 1986-09-27 03:00:00 # 1975-05-21 23:00:00 UTC SET TIMESTAMP = 169945200.918273; INSERT INTO t1(a) VALUES (1) ON DUPLICATE KEY UPDATE b = 2; SELECT * FROM t1; a b c d e f g h i j k l 1 2 1975-05-21 23:00:00 1977-12-21 23:00:00 1975-05-21 23:00:00 1986-09-27 03:00:00 NULL 1975-05-21 23:00:00 1977-12-21 23:00:00 1975-05-21 23:00:00 NULL 1986-09-27 03:00:00 # 1973-08-14 09:11:22 UTC SET TIMESTAMP = 114167482.534231; INSERT INTO t1(a) VALUES (2) ON DUPLICATE KEY UPDATE b = 2; SELECT * FROM t1; a b c d e f g h i j k l 1 2 1975-05-21 23:00:00 1977-12-21 23:00:00 1975-05-21 23:00:00 1986-09-27 03:00:00 NULL 1975-05-21 23:00:00 1977-12-21 23:00:00 1975-05-21 23:00:00 NULL 1986-09-27 03:00:00 2 NULL 1973-08-14 09:11:22 1973-08-14 09:11:22 0000-00-00 00:00:00 1986-09-27 03:00:00 NULL 1973-08-14 09:11:22 1973-08-14 09:11:22 NULL NULL 1986-09-27 03:00:00 DROP TABLE t1; CREATE TABLE t1 ( a INT PRIMARY KEY, b INT, c TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP ); # 2011-04-19 07:23:18 UTC SET TIMESTAMP = 1303197798.945156; INSERT INTO t1 VALUES (1, 0, '2001-01-01 01:01:01.111111'), (2, 0, '2002-02-02 02:02:02.222222'), (3, 0, '2003-03-03 03:03:03.333333'); SELECT * FROM t1; a b c 1 0 2001-01-01 01:01:01 2 0 2002-02-02 02:02:02 3 0 2003-03-03 03:03:03 UPDATE t1 SET b = 2, c = c WHERE a = 2; SELECT * FROM t1; a b c 1 0 2001-01-01 01:01:01 2 2 2002-02-02 02:02:02 3 0 2003-03-03 03:03:03 INSERT INTO t1 (a) VALUES (4); SELECT * FROM t1; a b c 1 0 2001-01-01 01:01:01 2 2 2002-02-02 02:02:02 3 0 2003-03-03 03:03:03 4 NULL 2011-04-19 07:23:18 UPDATE t1 SET c = '2004-04-04 04:04:04.444444' WHERE a = 4; SELECT * FROM t1; a b c 1 0 2001-01-01 01:01:01 2 2 2002-02-02 02:02:02 3 0 2003-03-03 03:03:03 4 NULL 2004-04-04 04:04:04 INSERT INTO t1 ( a ) VALUES ( 3 ), ( 5 ) ON DUPLICATE KEY UPDATE b = 3, c = c; SELECT * FROM t1; a b c 1 0 2001-01-01 01:01:01 2 2 2002-02-02 02:02:02 3 3 2003-03-03 03:03:03 4 NULL 2004-04-04 04:04:04 5 NULL 2011-04-19 07:23:18 INSERT INTO t1 (a, c) VALUES (4, '2004-04-04 00:00:00.444444'), (6, '2006-06-06 06:06:06.666666') ON DUPLICATE KEY UPDATE b = 4; SELECT * FROM t1; a b c 1 0 2001-01-01 01:01:01 2 2 2002-02-02 02:02:02 3 3 2003-03-03 03:03:03 4 4 2011-04-19 07:23:18 5 NULL 2011-04-19 07:23:18 6 NULL 2006-06-06 06:06:07 DROP TABLE t1; # # Test of REPLACE INTO executed as UPDATE. # CREATE TABLE t1 ( a INT PRIMARY KEY, b TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP, c DATETIME DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP, d TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP, e DATETIME DEFAULT CURRENT_TIMESTAMP, f TIMESTAMP NOT NULL DEFAULT '0000-00-00 00:00:00' ON UPDATE CURRENT_TIMESTAMP, g DATETIME ON UPDATE CURRENT_TIMESTAMP, h TIMESTAMP NULL, i DATETIME ); # 1970-09-21 09:11:12 UTC SET TIMESTAMP = 22756272.163584; REPLACE INTO t1 ( a ) VALUES ( 1 ); SELECT * FROM t1; a b c d e f g h i 1 1970-09-21 09:11:12 1970-09-21 09:11:12 1970-09-21 09:11:12 1970-09-21 09:11:12 0000-00-00 00:00:00 NULL NULL NULL # 1970-11-10 14:16:17 UTC SET TIMESTAMP = 27094577.852954; REPLACE INTO t1 ( a ) VALUES ( 1 ); SELECT * FROM t1; a b c d e f g h i 1 1970-11-10 14:16:17 1970-11-10 14:16:17 1970-11-10 14:16:17 1970-11-10 14:16:17 0000-00-00 00:00:00 NULL NULL NULL DROP TABLE t1; # # Test of insertion of NULL, DEFAULT and an empty row for DEFAULT # CURRENT_TIMESTAMP. # CREATE TABLE t1 ( a TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP, b DATETIME DEFAULT CURRENT_TIMESTAMP, c INT ); # 2011-04-20 09:53:41 UTC SET TIMESTAMP = 1303293221.163578; INSERT INTO t1 VALUES (NULL, NULL, 1), (DEFAULT, DEFAULT, 2); INSERT INTO t1 ( a, b, c ) VALUES (NULL, NULL, 3), (DEFAULT, DEFAULT, 4); SELECT * FROM t1; a b c 2011-04-20 09:53:41 NULL 1 2011-04-20 09:53:41 2011-04-20 09:53:41 2 2011-04-20 09:53:41 NULL 3 2011-04-20 09:53:41 2011-04-20 09:53:41 4 SET TIME_ZONE = "+03:00"; SELECT * FROM t1; a b c 2011-04-20 12:53:41 NULL 1 2011-04-20 12:53:41 2011-04-20 09:53:41 2 2011-04-20 12:53:41 NULL 3 2011-04-20 12:53:41 2011-04-20 09:53:41 4 SET TIME_ZONE = "+00:00"; DROP TABLE t1; # 2011-04-20 07:05:39 UTC SET TIMESTAMP = 1303283139.195624; CREATE TABLE t1 ( a TIMESTAMP NOT NULL DEFAULT '2010-10-11 12:34:56' ON UPDATE CURRENT_TIMESTAMP, b DATETIME DEFAULT '2010-10-11 12:34:56' ); INSERT INTO t1 VALUES (NULL, NULL), (DEFAULT, DEFAULT); INSERT INTO t1 ( a, b ) VALUES (NULL, NULL), (DEFAULT, DEFAULT); SELECT * FROM t1; a b 2011-04-20 07:05:39 NULL 2010-10-11 12:34:56 2010-10-11 12:34:56 2011-04-20 07:05:39 NULL 2010-10-11 12:34:56 2010-10-11 12:34:56 DROP TABLE t1; # 2011-04-20 09:53:41 UTC SET TIMESTAMP = 1303293221.136952; CREATE TABLE t1 ( a TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP, b TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP, c TIMESTAMP NOT NULL DEFAULT '0000-00-00 00:00:00' ON UPDATE CURRENT_TIMESTAMP, d TIMESTAMP NOT NULL DEFAULT '1986-09-27 03:00:00.098765', e TIMESTAMP NULL, f DATETIME DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP, g DATETIME DEFAULT CURRENT_TIMESTAMP, h DATETIME ON UPDATE CURRENT_TIMESTAMP, i DATETIME NULL, j DATETIME DEFAULT '1986-09-27 03:00:00.098765' ); INSERT INTO t1 VALUES (); INSERT INTO t1 SELECT NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL; SELECT * FROM t1; a b c d e f g h i j 2011-04-20 09:53:41 2011-04-20 09:53:41 0000-00-00 00:00:00 1986-09-27 03:00:00 NULL 2011-04-20 09:53:41 2011-04-20 09:53:41 NULL NULL 1986-09-27 03:00:00 2011-04-20 09:53:41 2011-04-20 09:53:41 2011-04-20 09:53:41 2011-04-20 09:53:41 NULL NULL NULL NULL NULL NULL DROP TABLE t1; # # Test of multiple-table UPDATE for DEFAULT CURRENT_TIMESTAMP # CREATE TABLE t1 ( a TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP, b DATETIME DEFAULT CURRENT_TIMESTAMP, c INT ); INSERT INTO t1 ( c ) VALUES (1); SELECT * FROM t1; a b c 2011-04-20 09:53:41 2011-04-20 09:53:41 1 # 2011-04-20 17:06:13 UTC SET TIMESTAMP = 1303311973.163587; UPDATE t1 t11, t1 t12 SET t11.c = 1; SELECT * FROM t1; a b c 2011-04-20 09:53:41 2011-04-20 09:53:41 1 UPDATE t1 t11, t1 t12 SET t11.c = 2; SELECT * FROM t1; a b c 2011-04-20 15:06:13 2011-04-20 09:53:41 2 DROP TABLE t1; CREATE TABLE t1 ( a TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP, b TIMESTAMP NOT NULL DEFAULT '0000-00-00 00:00:00' ON UPDATE CURRENT_TIMESTAMP, c DATETIME DEFAULT CURRENT_TIMESTAMP, d DATETIME ON UPDATE CURRENT_TIMESTAMP, e INT ); CREATE TABLE t2 ( f INT, g DATETIME ON UPDATE CURRENT_TIMESTAMP, h DATETIME DEFAULT CURRENT_TIMESTAMP, i TIMESTAMP NOT NULL DEFAULT '0000-00-00 00:00:00' ON UPDATE CURRENT_TIMESTAMP, j TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP ); # 1995-03-11 00:02:03 UTC SET TIMESTAMP = 794880123.195676; INSERT INTO t1 ( e ) VALUES ( 1 ), ( 2 ); INSERT INTO t2 ( f ) VALUES ( 1 ), ( 2 ); SELECT * FROM t1; a b c d e 1995-03-11 00:02:03 0000-00-00 00:00:00 1995-03-11 00:02:03 NULL 1 1995-03-11 00:02:03 0000-00-00 00:00:00 1995-03-11 00:02:03 NULL 2 SELECT * FROM t2; f g h i j 1 NULL 1995-03-11 00:02:03 0000-00-00 00:00:00 1995-03-11 00:02:03 2 NULL 1995-03-11 00:02:03 0000-00-00 00:00:00 1995-03-11 00:02:03 # 1980-12-13 02:02:01 UTC SET TIMESTAMP = 345520921.196755; UPDATE t1, t2 SET t1.e = 3, t2.f = 4; SELECT * FROM t1; a b c d e 1995-03-11 00:02:03 1980-12-13 02:02:01 1995-03-11 00:02:03 1980-12-13 02:02:01 3 1995-03-11 00:02:03 1980-12-13 02:02:01 1995-03-11 00:02:03 1980-12-13 02:02:01 3 SELECT * FROM t2; f g h i j 4 1980-12-13 02:02:01 1995-03-11 00:02:03 1980-12-13 02:02:01 1995-03-11 00:02:03 4 1980-12-13 02:02:01 1995-03-11 00:02:03 1980-12-13 02:02:01 1995-03-11 00:02:03 DROP TABLE t1, t2; # # Test of multiple table update with temporary table and on the fly. # CREATE TABLE t1 ( a TIMESTAMP NOT NULL DEFAULT '0000-00-00 00:00:00' ON UPDATE CURRENT_TIMESTAMP, b DATETIME ON UPDATE CURRENT_TIMESTAMP, c INT, d INT ); CREATE TABLE t2 ( a TIMESTAMP NOT NULL DEFAULT '0000-00-00 00:00:00' ON UPDATE CURRENT_TIMESTAMP, b DATETIME ON UPDATE CURRENT_TIMESTAMP, c INT KEY, d INT ); INSERT INTO t1 ( c ) VALUES (1), (2); INSERT INTO t2 ( c ) VALUES (1), (2); # Test of multiple table update done on the fly # 2011-04-20 15:06:13 UTC SET TIMESTAMP = 1303311973.194685; UPDATE t1 JOIN t2 USING ( c ) SET t2.d = 1; SELECT * FROM t1; a b c d 0000-00-00 00:00:00 NULL 1 NULL 0000-00-00 00:00:00 NULL 2 NULL SELECT * FROM t2; a b c d 2011-04-20 15:06:13 2011-04-20 15:06:13 1 1 2011-04-20 15:06:13 2011-04-20 15:06:13 2 1 # Test of multiple table update done with temporary table. # 1979-01-15 03:02:01 SET TIMESTAMP = 285213721.134679; UPDATE t1 JOIN t2 USING ( c ) SET t1.d = 1; SELECT * FROM t1; a b c d 1979-01-15 02:02:01 1979-01-15 02:02:01 1 1 1979-01-15 02:02:01 1979-01-15 02:02:01 2 1 SELECT * FROM t2; a b c d 2011-04-20 15:06:13 2011-04-20 15:06:13 1 1 2011-04-20 15:06:13 2011-04-20 15:06:13 2 1 DROP TABLE t1, t2; # # Test of ON UPDATE CURRENT_TIMESTAMP. # CREATE TABLE t1 ( a TIMESTAMP NOT NULL DEFAULT '0000-00-00 00:00:00' ON UPDATE CURRENT_TIMESTAMP, b DATETIME ON UPDATE CURRENT_TIMESTAMP, c INT ); # 2011-04-20 09:53:41 UTC SET TIMESTAMP = 1303293221.794613; INSERT INTO t1 ( c ) VALUES ( 1 ); SELECT * FROM t1; a b c 0000-00-00 00:00:00 NULL 1 UPDATE t1 SET c = 1; SELECT * FROM t1; a b c 0000-00-00 00:00:00 NULL 1 UPDATE t1 SET c = 2; SELECT * FROM t1; a b c 2011-04-20 09:53:41 2011-04-20 09:53:41 2 # # Test of multiple-table UPDATE for ON UPDATE CURRENT_TIMESTAMP # # 2011-04-20 15:06:13 UTC SET TIMESTAMP = 1303311973.534231; UPDATE t1 t11, t1 t12 SET t11.c = 2; SELECT * FROM t1; a b c 2011-04-20 09:53:41 2011-04-20 09:53:41 2 UPDATE t1 t11, t1 t12 SET t11.c = 3; SELECT * FROM t1; a b c 2011-04-20 15:06:13 2011-04-20 15:06:13 3 DROP TABLE t1; # # Test of a multiple-table update where only one table is updated and # the updated table has a primary key. # CREATE TABLE t1 ( a INT, b INT, PRIMARY KEY (a) ); INSERT INTO t1 VALUES (1, 1),(2, 2),(3, 3),(4, 4); CREATE TABLE t2 ( a INT, b INT ); INSERT INTO t2 VALUES (1, 1),(2, 2),(3, 3),(4, 4),(5, 5); UPDATE t1, t2 SET t1.b = 100 WHERE t1.a = t2.a; SELECT * FROM t1; a b 1 100 2 100 3 100 4 100 SELECT * FROM t2; a b 1 1 2 2 3 3 4 4 5 5 DROP TABLE t1, t2; # # Test of ALTER TABLE, reordering columns. # CREATE TABLE t1 ( a TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP, b INT ); ALTER TABLE t1 MODIFY a TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP AFTER b; SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `b` int(11) DEFAULT NULL, `a` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP ) ENGINE=MyISAM DEFAULT CHARSET=latin1 DROP TABLE t1; CREATE TABLE t1 ( a INT, b TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP, c TIMESTAMP NULL ); ALTER TABLE t1 MODIFY b TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP FIRST; SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `b` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP, `a` int(11) DEFAULT NULL, `c` timestamp NULL DEFAULT NULL ) ENGINE=MyISAM DEFAULT CHARSET=latin1 DROP TABLE t1; CREATE TABLE t1 ( a INT, b TIMESTAMP NULL ); ALTER TABLE t1 MODIFY b TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP FIRST; SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `b` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP, `a` int(11) DEFAULT NULL ) ENGINE=MyISAM DEFAULT CHARSET=latin1 DROP TABLE t1; CREATE TABLE t1 ( a TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP, b TIMESTAMP NULL ); ALTER TABLE t1 MODIFY a TIMESTAMP NOT NULL DEFAULT '0000-00-00 00:00:00' AFTER b; SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `b` timestamp NULL DEFAULT NULL, `a` timestamp NOT NULL DEFAULT '0000-00-00 00:00:00' ) ENGINE=MyISAM DEFAULT CHARSET=latin1 DROP TABLE t1; CREATE TABLE t1 ( a TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP, b TIMESTAMP NULL ); ALTER TABLE t1 MODIFY a TIMESTAMP NOT NULL DEFAULT '0000-00-00 00:00:00' AFTER b; SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `b` timestamp NULL DEFAULT NULL, `a` timestamp NOT NULL DEFAULT '0000-00-00 00:00:00' ) ENGINE=MyISAM DEFAULT CHARSET=latin1 DROP TABLE t1; CREATE TABLE t1 ( a TIMESTAMP NOT NULL DEFAULT '0000-00-00 00:00:00' ON UPDATE NOW(), b INT, c TIMESTAMP NULL ); SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `a` timestamp NOT NULL DEFAULT '0000-00-00 00:00:00' ON UPDATE CURRENT_TIMESTAMP, `b` int(11) DEFAULT NULL, `c` timestamp NULL DEFAULT NULL ) ENGINE=MyISAM DEFAULT CHARSET=latin1 ALTER TABLE t1 MODIFY a TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP AFTER b; SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `b` int(11) DEFAULT NULL, `a` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP, `c` timestamp NULL DEFAULT NULL ) ENGINE=MyISAM DEFAULT CHARSET=latin1 DROP TABLE t1; CREATE TABLE t1 ( a TIMESTAMP NOT NULL DEFAULT '0000-00-00 00:00:00' ON UPDATE NOW(), b INT, c TIMESTAMP NULL ); ALTER TABLE t1 MODIFY c TIMESTAMP NULL FIRST; SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `c` timestamp NULL DEFAULT NULL, `a` timestamp NOT NULL DEFAULT '0000-00-00 00:00:00' ON UPDATE CURRENT_TIMESTAMP, `b` int(11) DEFAULT NULL ) ENGINE=MyISAM DEFAULT CHARSET=latin1 DROP TABLE t1; CREATE TABLE t1 ( a TIMESTAMP NOT NULL DEFAULT NOW() ON UPDATE CURRENT_TIMESTAMP, b INT, c TIMESTAMP NULL ); SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `a` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP, `b` int(11) DEFAULT NULL, `c` timestamp NULL DEFAULT NULL ) ENGINE=MyISAM DEFAULT CHARSET=latin1 ALTER TABLE t1 MODIFY a TIMESTAMP NOT NULL DEFAULT NOW() ON UPDATE CURRENT_TIMESTAMP AFTER b; SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `b` int(11) DEFAULT NULL, `a` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP, `c` timestamp NULL DEFAULT NULL ) ENGINE=MyISAM DEFAULT CHARSET=latin1 DROP TABLE t1; CREATE TABLE t1 ( a TIMESTAMP NOT NULL DEFAULT NOW() ON UPDATE CURRENT_TIMESTAMP, b INT, c TIMESTAMP NULL ); ALTER TABLE t1 MODIFY c TIMESTAMP NULL FIRST; SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `c` timestamp NULL DEFAULT NULL, `a` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP, `b` int(11) DEFAULT NULL ) ENGINE=MyISAM DEFAULT CHARSET=latin1 DROP TABLE t1; # # Test of ALTER TABLE, adding columns. # CREATE TABLE t1 ( a INT ); ALTER TABLE t1 ADD COLUMN b TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP; SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `a` int(11) DEFAULT NULL, `b` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP ) ENGINE=MyISAM DEFAULT CHARSET=latin1 DROP TABLE t1; # # Test of INSERT SELECT. # CREATE TABLE t1 ( a TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP, b TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP, c DATETIME DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP, d DATETIME DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP ); CREATE TABLE t2 ( placeholder1 INT, placeholder2 INT, placeholder3 INT, placeholder4 INT, a TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP, b TIMESTAMP NOT NULL DEFAULT '0000-00-00 00:00:00', c DATETIME, d DATETIME ); # 1977-08-16 15:30:01 UTC SET TIMESTAMP = 240589801.654312; INSERT INTO t2 (a, b, c, d) VALUES ( '1977-08-16 15:30:01.123456', '1977-08-16 15:30:01.234567', '1977-08-16 15:30:01.345678', '1977-08-16 15:30:01.456789' ); # 1986-09-27 01:00:00 UTC SET TIMESTAMP = 528166800.132435; INSERT INTO t1 ( a, c ) SELECT a, c FROM t2; SELECT * FROM t1; a b c d 1977-08-16 15:30:01 1986-09-27 01:00:00 1977-08-16 15:30:01 1986-09-27 01:00:00 DROP TABLE t1, t2; # # Test of CREATE TABLE SELECT. # # We test that the columns of the source table are used to determine # function defaults for the receiving table. # # 1970-04-11 20:13:57 UTC SET TIMESTAMP = 8712837.657898; CREATE TABLE t1 ( a TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP, b TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP, c TIMESTAMP NOT NULL DEFAULT '0000-00-00 00:00:00' ON UPDATE CURRENT_TIMESTAMP, d TIMESTAMP NOT NULL DEFAULT '1986-09-27 03:00:00.098765', e TIMESTAMP NULL, f DATETIME DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP, g DATETIME DEFAULT CURRENT_TIMESTAMP, h DATETIME ON UPDATE CURRENT_TIMESTAMP, i DATETIME NULL, j DATETIME DEFAULT '1986-09-27 03:00:00.098765' ); INSERT INTO t1 VALUES (); # 1971-01-31 21:13:57 UTC SET TIMESTAMP = 34200837.164937; CREATE TABLE t2 SELECT a FROM t1; SHOW CREATE TABLE t2; Table Create Table t2 CREATE TABLE `t2` ( `a` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP ) ENGINE=MyISAM DEFAULT CHARSET=latin1 SELECT * FROM t2; a 1970-04-11 20:13:57 CREATE TABLE t3 SELECT b FROM t1; SHOW CREATE TABLE t3; Table Create Table t3 CREATE TABLE `t3` ( `b` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP ) ENGINE=MyISAM DEFAULT CHARSET=latin1 SELECT * FROM t3; b 1970-04-11 20:13:57 CREATE TABLE t4 SELECT c FROM t1; SHOW CREATE TABLE t4; Table Create Table t4 CREATE TABLE `t4` ( `c` timestamp NOT NULL DEFAULT '0000-00-00 00:00:00' ON UPDATE CURRENT_TIMESTAMP ) ENGINE=MyISAM DEFAULT CHARSET=latin1 SELECT * FROM t4; c 0000-00-00 00:00:00 CREATE TABLE t5 SELECT d FROM t1; SHOW CREATE TABLE t5; Table Create Table t5 CREATE TABLE `t5` ( `d` timestamp NOT NULL DEFAULT '1986-09-27 03:00:00' ) ENGINE=MyISAM DEFAULT CHARSET=latin1 SELECT * FROM t5; d 1986-09-27 03:00:00 CREATE TABLE t6 SELECT e FROM t1; SHOW CREATE TABLE t6; Table Create Table t6 CREATE TABLE `t6` ( `e` timestamp NULL DEFAULT NULL ) ENGINE=MyISAM DEFAULT CHARSET=latin1 SELECT * FROM t6; e NULL CREATE TABLE t7 SELECT f FROM t1; SHOW CREATE TABLE t7; Table Create Table t7 CREATE TABLE `t7` ( `f` datetime DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP ) ENGINE=MyISAM DEFAULT CHARSET=latin1 SELECT * FROM t7; f 1970-04-11 20:13:57 CREATE TABLE t8 SELECT g FROM t1; SHOW CREATE TABLE t8; Table Create Table t8 CREATE TABLE `t8` ( `g` datetime DEFAULT CURRENT_TIMESTAMP ) ENGINE=MyISAM DEFAULT CHARSET=latin1 SELECT * FROM t8; g 1970-04-11 20:13:57 CREATE TABLE t9 SELECT h FROM t1; SHOW CREATE TABLE t9; Table Create Table t9 CREATE TABLE `t9` ( `h` datetime DEFAULT NULL ON UPDATE CURRENT_TIMESTAMP ) ENGINE=MyISAM DEFAULT CHARSET=latin1 SELECT * FROM t9; h NULL CREATE TABLE t10 SELECT i FROM t1; SHOW CREATE TABLE t10; Table Create Table t10 CREATE TABLE `t10` ( `i` datetime DEFAULT NULL ) ENGINE=MyISAM DEFAULT CHARSET=latin1 SELECT * FROM t10; i NULL CREATE TABLE t11 SELECT j FROM t1; SHOW CREATE TABLE t11; Table Create Table t11 CREATE TABLE `t11` ( `j` datetime DEFAULT '1986-09-27 03:00:00' ) ENGINE=MyISAM DEFAULT CHARSET=latin1 SELECT * FROM t11; j 1986-09-27 03:00:00 CREATE TABLE t12 ( k TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP, l TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP, m TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP, n TIMESTAMP NOT NULL DEFAULT '0000-00-00 00:00:00' ON UPDATE CURRENT_TIMESTAMP, o TIMESTAMP NOT NULL DEFAULT '1986-09-27 03:00:00.098765', p TIMESTAMP NULL, q DATETIME DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP, r DATETIME DEFAULT CURRENT_TIMESTAMP, s DATETIME ON UPDATE CURRENT_TIMESTAMP, t DATETIME NULL, u DATETIME DEFAULT '1986-09-27 03:00:00.098765' ) SELECT * FROM t1; SHOW CREATE TABLE t12; Table Create Table t12 CREATE TABLE `t12` ( `k` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP, `l` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP, `m` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP, `n` timestamp NOT NULL DEFAULT '0000-00-00 00:00:00' ON UPDATE CURRENT_TIMESTAMP, `o` timestamp NOT NULL DEFAULT '1986-09-27 03:00:00', `p` timestamp NULL DEFAULT NULL, `q` datetime DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP, `r` datetime DEFAULT CURRENT_TIMESTAMP, `s` datetime DEFAULT NULL ON UPDATE CURRENT_TIMESTAMP, `t` datetime DEFAULT NULL, `u` datetime DEFAULT '1986-09-27 03:00:00', `a` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP, `b` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP, `c` timestamp NOT NULL DEFAULT '0000-00-00 00:00:00' ON UPDATE CURRENT_TIMESTAMP, `d` timestamp NOT NULL DEFAULT '1986-09-27 03:00:00', `e` timestamp NULL DEFAULT NULL, `f` datetime DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP, `g` datetime DEFAULT CURRENT_TIMESTAMP, `h` datetime DEFAULT NULL ON UPDATE CURRENT_TIMESTAMP, `i` datetime DEFAULT NULL, `j` datetime DEFAULT '1986-09-27 03:00:00' ) ENGINE=MyISAM DEFAULT CHARSET=latin1 # No function default for non-column expressions: CREATE TABLE t13 SELECT COALESCE(a,a) FROM t1; SHOW CREATE TABLE t13; Table Create Table t13 CREATE TABLE `t13` ( `COALESCE(a,a)` timestamp NOT NULL DEFAULT '0000-00-00 00:00:00' ) ENGINE=MyISAM DEFAULT CHARSET=latin1 SELECT * FROM t13; COALESCE(a,a) 1970-04-11 20:13:57 DROP TABLE t1, t2, t3, t4, t5, t6, t7, t8, t9, t10, t11, t12, t13; # 1970-04-11 20:13:57 UTC SET TIMESTAMP = 8712837.164953; CREATE TABLE t1 ( a DATETIME DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP, b DATETIME DEFAULT CURRENT_TIMESTAMP, c DATETIME ON UPDATE CURRENT_TIMESTAMP, d DATETIME NULL, e DATETIME DEFAULT '1986-09-27 03:00:00.098765' ); INSERT INTO t1 VALUES (); # 1971-01-31 20:13:57 UTC SET TIMESTAMP = 34200837.915736; CREATE TABLE t2 SELECT a FROM t1; SHOW CREATE TABLE t2; Table Create Table t2 CREATE TABLE `t2` ( `a` datetime DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP ) ENGINE=MyISAM DEFAULT CHARSET=latin1 SELECT * FROM t2; a 1970-04-11 20:13:57 CREATE TABLE t3 SELECT b FROM t1; SHOW CREATE TABLE t3; Table Create Table t3 CREATE TABLE `t3` ( `b` datetime DEFAULT CURRENT_TIMESTAMP ) ENGINE=MyISAM DEFAULT CHARSET=latin1 SELECT * FROM t3; b 1970-04-11 20:13:57 CREATE TABLE t4 SELECT c FROM t1; SHOW CREATE TABLE t4; Table Create Table t4 CREATE TABLE `t4` ( `c` datetime DEFAULT NULL ON UPDATE CURRENT_TIMESTAMP ) ENGINE=MyISAM DEFAULT CHARSET=latin1 SELECT * FROM t4; c NULL CREATE TABLE t5 SELECT d FROM t1; SHOW CREATE TABLE t5; Table Create Table t5 CREATE TABLE `t5` ( `d` datetime DEFAULT NULL ) ENGINE=MyISAM DEFAULT CHARSET=latin1 SELECT * FROM t5; d NULL CREATE TABLE t6 SELECT e FROM t1; SHOW CREATE TABLE t6; Table Create Table t6 CREATE TABLE `t6` ( `e` datetime DEFAULT '1986-09-27 03:00:00' ) ENGINE=MyISAM DEFAULT CHARSET=latin1 SELECT * FROM t6; e 1986-09-27 03:00:00 # Test CREATE TABLE LIKE CREATE TABLE t7 LIKE t1; SHOW CREATE TABLE t7; Table Create Table t7 CREATE TABLE `t7` ( `a` datetime DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP, `b` datetime DEFAULT CURRENT_TIMESTAMP, `c` datetime DEFAULT NULL ON UPDATE CURRENT_TIMESTAMP, `d` datetime DEFAULT NULL, `e` datetime DEFAULT '1986-09-27 03:00:00' ) ENGINE=MyISAM DEFAULT CHARSET=latin1 DROP TABLE t1, t2, t3, t4, t5, t6, t7; # # Test of a CREATE TABLE SELECT that also declared columns. In this case # the function default for them should be activated during the execution of the # CREATE TABLE statement. # # 1970-01-01 03:16:40 SET TIMESTAMP = 1000.987654; CREATE TABLE t1 ( a INT ); INSERT INTO t1 VALUES ( 1 ), ( 2 ); CREATE TABLE t2 ( b TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP) SELECT a FROM t1; SHOW CREATE TABLE t2; Table Create Table t2 CREATE TABLE `t2` ( `b` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP, `a` int(11) DEFAULT NULL ) ENGINE=MyISAM DEFAULT CHARSET=latin1 SET TIMESTAMP = 2000.876543; INSERT INTO t2( a ) VALUES ( 3 ); SELECT * FROM t2; b a 1970-01-01 00:16:40 1 1970-01-01 00:16:40 2 1970-01-01 00:33:20 3 DROP TABLE t1, t2; # # Test of updating a view. # CREATE TABLE t1 ( a INT, b DATETIME DEFAULT CURRENT_TIMESTAMP ); CREATE TABLE t2 ( a INT, b DATETIME ON UPDATE CURRENT_TIMESTAMP ); CREATE VIEW v1 AS SELECT * FROM t1; SHOW CREATE VIEW v1; View Create View character_set_client collation_connection v1 CREATE ALGORITHM=UNDEFINED DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `v1` AS select `t1`.`a` AS `a`,`t1`.`b` AS `b` from `t1` latin1 latin1_swedish_ci CREATE VIEW v2 AS SELECT * FROM t2; SHOW CREATE VIEW v2; View Create View character_set_client collation_connection v2 CREATE ALGORITHM=UNDEFINED DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `v2` AS select `t2`.`a` AS `a`,`t2`.`b` AS `b` from `t2` latin1 latin1_swedish_ci # 1971-01-31 21:13:57 UTC SET TIMESTAMP = 34200837.348564; INSERT INTO v1 ( a ) VALUES ( 1 ); INSERT INTO v2 ( a ) VALUES ( 1 ); SELECT * FROM t1; a b 1 1971-01-31 20:13:57 SELECT * FROM v1; a b 1 1971-01-31 20:13:57 SELECT * FROM t2; a b 1 NULL SELECT * FROM v2; a b 1 NULL # 1970-04-11 20:13:57 UTC SET TIMESTAMP = 8712837.567332; UPDATE v1 SET a = 2; UPDATE v2 SET a = 2; SELECT * FROM t1; a b 2 1971-01-31 20:13:57 SELECT * FROM v1; a b 2 1971-01-31 20:13:57 SELECT * FROM t2; a b 2 1970-04-11 20:13:57 SELECT * FROM v2; a b 2 1970-04-11 20:13:57 DROP VIEW v1, v2; DROP TABLE t1, t2; # # Test with stored procedures. # CREATE TABLE t1 ( a INT, b TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP, c TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP, d TIMESTAMP NOT NULL DEFAULT '0000-00-00 00:00:00' ON UPDATE CURRENT_TIMESTAMP, e TIMESTAMP NULL, f DATETIME DEFAULT CURRENT_TIMESTAMP, g DATETIME ON UPDATE CURRENT_TIMESTAMP ); CREATE PROCEDURE p1() INSERT INTO test.t1( a ) VALUES ( 1 ); CREATE PROCEDURE p2() UPDATE t1 SET a = 2 WHERE a = 1; # 1971-01-31 20:13:57 UTC SET TIMESTAMP = 34200837.876544; CALL p1(); SELECT * FROM t1; a b c d e f g 1 1971-01-31 20:13:57 1971-01-31 20:13:57 0000-00-00 00:00:00 NULL 1971-01-31 20:13:57 NULL # 1970-04-11 21:13:57 UTC SET TIMESTAMP = 8712837.143546; CALL p2(); SELECT * FROM t1; a b c d e f g 2 1970-04-11 20:13:57 1971-01-31 20:13:57 1970-04-11 20:13:57 NULL 1971-01-31 20:13:57 1970-04-11 20:13:57 DROP PROCEDURE p1; DROP PROCEDURE p2; DROP TABLE t1; # # Test with triggers. # CREATE TABLE t1 ( a INT, b TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP, c TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP, d TIMESTAMP NOT NULL DEFAULT '0000-00-00 00:00:00' ON UPDATE CURRENT_TIMESTAMP, e TIMESTAMP NULL, f DATETIME, g DATETIME DEFAULT CURRENT_TIMESTAMP, h DATETIME ON UPDATE CURRENT_TIMESTAMP, i DATETIME DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP ); CREATE TABLE t2 ( a INT ); CREATE TRIGGER t2_trg BEFORE INSERT ON t2 FOR EACH ROW BEGIN INSERT INTO t1 ( a ) VALUES ( 1 ); END| # 1971-01-31 21:13:57 UTC SET TIMESTAMP = 34200837.978675; INSERT INTO t2 ( a ) VALUES ( 1 ); SELECT * FROM t1; a b c d e f g h i 1 1971-01-31 20:13:57 1971-01-31 20:13:57 0000-00-00 00:00:00 NULL NULL 1971-01-31 20:13:57 NULL 1971-01-31 20:13:57 DROP TRIGGER t2_trg; CREATE TRIGGER t2_trg BEFORE INSERT ON t2 FOR EACH ROW BEGIN UPDATE t1 SET a = 2; END| # 1970-04-11 21:13:57 UTC SET TIMESTAMP = 8712837.456789; INSERT INTO t2 ( a ) VALUES ( 1 ); SELECT * FROM t1; a b c d e f g h i 2 1970-04-11 20:13:57 1971-01-31 20:13:57 1970-04-11 20:13:57 NULL NULL 1971-01-31 20:13:57 1970-04-11 20:13:57 1970-04-11 20:13:57 DROP TABLE t1, t2; # # Test where the assignment target is not a column. # CREATE TABLE t1 ( a TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP ); CREATE TABLE t2 ( a TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP ); CREATE TABLE t3 ( a TIMESTAMP NOT NULL DEFAULT '0000-00-00 00:00:00' ON UPDATE CURRENT_TIMESTAMP ); CREATE TABLE t4 ( a TIMESTAMP NOT NULL DEFAULT '0000-00-00 00:00:00' ON UPDATE CURRENT_TIMESTAMP ); CREATE VIEW v1 AS SELECT a COLLATE latin1_german1_ci AS b FROM t1; CREATE VIEW v2 ( b ) AS SELECT a COLLATE latin1_german1_ci FROM t2; CREATE VIEW v3 AS SELECT a COLLATE latin1_german1_ci AS b FROM t3; CREATE VIEW v4 ( b ) AS SELECT a COLLATE latin1_german1_ci FROM t4; INSERT INTO v1 ( b ) VALUES ( '2007-10-24 00:03:34.010203' ); SELECT a FROM t1; a 2007-10-24 00:03:34 INSERT INTO v2 ( b ) VALUES ( '2007-10-24 00:03:34.010203' ); SELECT a FROM t2; a 2007-10-24 00:03:34 INSERT INTO t3 VALUES (); UPDATE v3 SET b = '2007-10-24 00:03:34.010203'; SELECT a FROM t3; a 2007-10-24 00:03:34 INSERT INTO t4 VALUES (); UPDATE v4 SET b = '2007-10-24 00:03:34.010203'; SELECT a FROM t4; a 2007-10-24 00:03:34 DROP VIEW v1, v2, v3, v4; DROP TABLE t1, t2, t3, t4; # # Test of LOAD DATA/XML INFILE # This tests behavior of function defaults for TIMESTAMP and DATETIME # columns. during LOAD ... INFILE. # As can be seen here, a TIMESTAMP column with only ON UPDATE # CURRENT_TIMESTAMP will still have CURRENT_TIMESTAMP inserted on LOAD # ... INFILE if the value is missing. For DATETIME columns a NULL value # is inserted instead. # CREATE TABLE t1 ( a INT, b TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP, c TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP, d TIMESTAMP NOT NULL DEFAULT '0000-00-00 00:00:00' ON UPDATE CURRENT_TIMESTAMP, e TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP, f DATETIME, g DATETIME DEFAULT CURRENT_TIMESTAMP, h DATETIME ON UPDATE CURRENT_TIMESTAMP, i DATETIME DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP ); CREATE TABLE t2 ( a TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP, b TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP, c TIMESTAMP NOT NULL DEFAULT '0000-00-00 00:00:00' ON UPDATE CURRENT_TIMESTAMP, d TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP, e DATETIME NOT NULL, f DATETIME NOT NULL DEFAULT '1977-01-02 12:13:14', g DATETIME DEFAULT CURRENT_TIMESTAMP NOT NULL, h DATETIME ON UPDATE CURRENT_TIMESTAMP NOT NULL, i DATETIME DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP NOT NULL ); SELECT 1 INTO OUTFILE 't3.dat' FROM dual; SELECT NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL INTO OUTFILE 't4.dat' FROM dual; SELECT 1, 2 INTO OUTFILE 't5.dat' FROM dual; # Mon Aug 1 15:11:19 2011 UTC SET TIMESTAMP = 1312211479.918273; LOAD DATA INFILE 't3.dat' INTO TABLE t1; Warnings: Warning 1261 Row 1 doesn't contain data for all columns Warning 1261 Row 1 doesn't contain data for all columns Warning 1261 Row 1 doesn't contain data for all columns Warning 1261 Row 1 doesn't contain data for all columns Warning 1261 Row 1 doesn't contain data for all columns Warning 1261 Row 1 doesn't contain data for all columns Warning 1261 Row 1 doesn't contain data for all columns Warning 1261 Row 1 doesn't contain data for all columns SELECT * FROM t1; a 1 b 2011-08-01 15:11:19 c 2011-08-01 15:11:19 d 2011-08-01 15:11:19 e 2011-08-01 15:11:19 f NULL g NULL h NULL i NULL LOAD DATA INFILE 't4.dat' INTO TABLE t2; Warnings: Warning 1263 Column set to default value; NULL supplied to NOT NULL column 'e' at row 1 Warning 1263 Column set to default value; NULL supplied to NOT NULL column 'f' at row 1 Warning 1263 Column set to default value; NULL supplied to NOT NULL column 'g' at row 1 Warning 1263 Column set to default value; NULL supplied to NOT NULL column 'h' at row 1 Warning 1263 Column set to default value; NULL supplied to NOT NULL column 'i' at row 1 SELECT a FROM t2; a 2011-08-01 15:11:19 SELECT b FROM t2; b 2011-08-01 15:11:19 SELECT c FROM t2; c 2011-08-01 15:11:19 SELECT d FROM t2; d 2011-08-01 15:11:19 # As shown here, supplying a NULL value to a non-nullable # column with no default value results in the zero date. SELECT e FROM t2; e 0000-00-00 00:00:00 # As shown here, supplying a NULL value to a non-nullable column with a # default value results in the zero date. SELECT f FROM t2; f 0000-00-00 00:00:00 # As shown here, supplying a NULL value to a non-nullable column with a # default function results in the zero date. SELECT g FROM t2; g 0000-00-00 00:00:00 # As shown here, supplying a NULL value to a non-nullable DATETIME ON # UPDATE CURRENT_TIMESTAMP column with no default value results in the # zero date. SELECT h FROM t2; h 0000-00-00 00:00:00 SELECT i FROM t2; i 0000-00-00 00:00:00 DELETE FROM t1; DELETE FROM t2; # Read t3 file into t1 # The syntax will cause a different code path to be taken # (read_fixed_length()) than under the LOAD ... INTO TABLE t1 command # above. The code in this path is copy-pasted code from the path taken # under the syntax used in the previous LOAD command. LOAD DATA INFILE 't3.dat' INTO TABLE t1 FIELDS TERMINATED BY '' ENCLOSED BY ''; Warnings: Warning 1261 Row 1 doesn't contain data for all columns Warning 1261 Row 1 doesn't contain data for all columns Warning 1261 Row 1 doesn't contain data for all columns Warning 1261 Row 1 doesn't contain data for all columns Warning 1261 Row 1 doesn't contain data for all columns Warning 1261 Row 1 doesn't contain data for all columns Warning 1261 Row 1 doesn't contain data for all columns Warning 1261 Row 1 doesn't contain data for all columns SELECT b FROM t1; b 2011-08-01 15:11:19 SELECT c FROM t1; c 2011-08-01 15:11:19 SELECT d FROM t1; d 2011-08-01 15:11:19 SELECT e FROM t1; e 2011-08-01 15:11:19 # Yes, a missing field cannot be NULL using this syntax, so it will # zero date instead. Says a comment in read_fixed_length() : "No fields # specified in fields_vars list can be NULL in this format." # It appears to be by design. This is inconsistent with LOAD DATA INFILE # syntax in previous test. SELECT f FROM t1; f 0000-00-00 00:00:00 SELECT g FROM t1; g 0000-00-00 00:00:00 # See comment above "SELECT f FROM f1". SELECT h FROM t1; h 0000-00-00 00:00:00 SELECT i FROM t1; i 0000-00-00 00:00:00 DELETE FROM t1; LOAD DATA INFILE 't5.dat' INTO TABLE t1 ( a, @dummy ); SELECT * FROM t1; a b c d e f g h i 1 2011-08-01 15:11:19 2011-08-01 15:11:19 0000-00-00 00:00:00 2011-08-01 15:11:19 NULL 2011-08-01 15:11:19 NULL 2011-08-01 15:11:19 SELECT @dummy; @dummy 2 DELETE FROM t1; LOAD DATA INFILE 't3.dat' INTO TABLE t1 ( a ) SET c = '2005-06-06 08:09:10'; SELECT * FROM t1; a b c d e f g h i 1 2011-08-01 15:11:19 2005-06-06 08:09:10 0000-00-00 00:00:00 2011-08-01 15:11:19 NULL 2011-08-01 15:11:19 NULL 2011-08-01 15:11:19 DELETE FROM t1; LOAD DATA INFILE 't3.dat' INTO TABLE t1 ( a ) SET g = '2005-06-06 08:09:10'; SELECT * FROM t1; a b c d e f g h i 1 2011-08-01 15:11:19 2011-08-01 15:11:19 0000-00-00 00:00:00 2011-08-01 15:11:19 NULL 2005-06-06 08:09:10 NULL 2011-08-01 15:11:19 DELETE FROM t1; # Load a static XML file LOAD XML INFILE '../../std_data/onerow.xml' INTO TABLE t1 ROWS IDENTIFIED BY '<row>'; Missing tags are treated as NULL SELECT * FROM t1; a 1 b 2011-08-01 15:11:19 c 2011-08-01 15:11:19 d 2011-08-01 15:11:19 e 2011-08-01 15:11:19 f NULL g NULL h NULL i NULL DROP TABLE t1, t2; # # Similar LOAD DATA tests in another form # # All of this test portion has been run on a pre-WL5874 trunk # (except that like_b and like_c didn't exist) and all result # differences are a bug. # Regarding like_b its definition is the same as b's except # that the constant default is replaced with a function # default. Our expectation is that like_b would behave # like b: if b is set to NULL, or set to 0000-00-00, or set to # its default, then the same should apply to like_b. Same for # like_c vs c. # Mon Aug 1 15:11:19 2011 UTC SET TIMESTAMP = 1312211479.089786; SELECT 1 INTO OUTFILE "file1.dat" FROM dual; SELECT NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL INTO OUTFILE "file2.dat" FROM dual; # Too short row CREATE TABLE t1 ( dummy INT, a DATETIME NULL DEFAULT NULL, b DATETIME NULL DEFAULT "2011-11-18", like_b DATETIME NULL DEFAULT CURRENT_TIMESTAMP, c DATETIME NOT NULL DEFAULT "2011-11-18", like_c DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP, d TIMESTAMP NULL DEFAULT "2011-05-03" ON UPDATE CURRENT_TIMESTAMP, e TIMESTAMP NOT NULL DEFAULT "2011-05-03", f TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP, g TIMESTAMP NULL DEFAULT NULL, h INT NULL, i INT NOT NULL DEFAULT 42 ); # There is no promotion SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `dummy` int(11) DEFAULT NULL, `a` datetime DEFAULT NULL, `b` datetime DEFAULT '2011-11-18 00:00:00', `like_b` datetime DEFAULT CURRENT_TIMESTAMP, `c` datetime NOT NULL DEFAULT '2011-11-18 00:00:00', `like_c` datetime NOT NULL DEFAULT CURRENT_TIMESTAMP, `d` timestamp NULL DEFAULT '2011-05-03 00:00:00' ON UPDATE CURRENT_TIMESTAMP, `e` timestamp NOT NULL DEFAULT '2011-05-03 00:00:00', `f` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP, `g` timestamp NULL DEFAULT NULL, `h` int(11) DEFAULT NULL, `i` int(11) NOT NULL DEFAULT '42' ) ENGINE=MyISAM DEFAULT CHARSET=latin1 LOAD DATA INFILE "file1.dat" INTO table t1; Warnings: Warning 1261 Row 1 doesn't contain data for all columns Warning 1261 Row 1 doesn't contain data for all columns Warning 1261 Row 1 doesn't contain data for all columns Warning 1261 Row 1 doesn't contain data for all columns Warning 1261 Row 1 doesn't contain data for all columns Warning 1261 Row 1 doesn't contain data for all columns Warning 1261 Row 1 doesn't contain data for all columns Warning 1261 Row 1 doesn't contain data for all columns Warning 1261 Row 1 doesn't contain data for all columns Warning 1261 Row 1 doesn't contain data for all columns Warning 1261 Row 1 doesn't contain data for all columns # It is strange that "like_b" gets NULL when "b" gets 0. But # this is consistent with how "a" gets NULL when "b" gets 0, # with how "g" gets NULL when "d" gets 0, and with how "h" gets # NULL when "i" gets 0. Looks like "DEFAULT # <non-NULL-constant>" is changed to 0, whereas DEFAULT NULL # and DEFAULT NOW are changed to NULL. SELECT * FROM t1; dummy 1 a NULL b 0000-00-00 00:00:00 like_b NULL c 0000-00-00 00:00:00 like_c 0000-00-00 00:00:00 d 0000-00-00 00:00:00 e 2011-08-01 15:11:19 f 2011-08-01 15:11:19 g NULL h NULL i 0 delete from t1; alter table t1 modify f TIMESTAMP NULL default CURRENT_TIMESTAMP; # There is no promotion SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `dummy` int(11) DEFAULT NULL, `a` datetime DEFAULT NULL, `b` datetime DEFAULT '2011-11-18 00:00:00', `like_b` datetime DEFAULT CURRENT_TIMESTAMP, `c` datetime NOT NULL DEFAULT '2011-11-18 00:00:00', `like_c` datetime NOT NULL DEFAULT CURRENT_TIMESTAMP, `d` timestamp NULL DEFAULT '2011-05-03 00:00:00' ON UPDATE CURRENT_TIMESTAMP, `e` timestamp NOT NULL DEFAULT '2011-05-03 00:00:00', `f` timestamp NULL DEFAULT CURRENT_TIMESTAMP, `g` timestamp NULL DEFAULT NULL, `h` int(11) DEFAULT NULL, `i` int(11) NOT NULL DEFAULT '42' ) ENGINE=MyISAM DEFAULT CHARSET=latin1 LOAD DATA INFILE "file1.dat" INTO table t1; Warnings: Warning 1261 Row 1 doesn't contain data for all columns Warning 1261 Row 1 doesn't contain data for all columns Warning 1261 Row 1 doesn't contain data for all columns Warning 1261 Row 1 doesn't contain data for all columns Warning 1261 Row 1 doesn't contain data for all columns Warning 1261 Row 1 doesn't contain data for all columns Warning 1261 Row 1 doesn't contain data for all columns Warning 1261 Row 1 doesn't contain data for all columns Warning 1261 Row 1 doesn't contain data for all columns Warning 1261 Row 1 doesn't contain data for all columns Warning 1261 Row 1 doesn't contain data for all columns SELECT * FROM t1; dummy 1 a NULL b 0000-00-00 00:00:00 like_b NULL c 0000-00-00 00:00:00 like_c 0000-00-00 00:00:00 d 0000-00-00 00:00:00 e 2011-08-01 15:11:19 f NULL g NULL h NULL i 0 delete from t1; drop table t1; # Conclusion derived from trunk's results: # DATETIME DEFAULT <non-NULL-constant> (b,c) gets 0000-00-00, # DATETIME DEFAULT NULL (a) gets NULL, # TIMESTAMP NULL DEFAULT <non-NULL-constant> (d) gets 0000-00-00, # TIMESTAMP NULL DEFAULT NULL (g) gets NULL, # TIMESTAMP NULL DEFAULT NOW (f after ALTER) gets NULL, # TIMESTAMP NOT NULL (f before ALTER, e) gets NOW. ### Loading NULL ### CREATE TABLE t1 ( dummy INT, a DATETIME NULL DEFAULT NULL, b DATETIME NULL DEFAULT "2011-11-18", like_b DATETIME NULL DEFAULT CURRENT_TIMESTAMP, c DATETIME NOT NULL DEFAULT "2011-11-18", like_c DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP, d TIMESTAMP NULL DEFAULT "2011-05-03" ON UPDATE CURRENT_TIMESTAMP, e TIMESTAMP NOT NULL DEFAULT "2011-05-03", f TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP, g TIMESTAMP NULL DEFAULT NULL, h INT NULL, i INT NOT NULL DEFAULT 42 ); # There is no promotion SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `dummy` int(11) DEFAULT NULL, `a` datetime DEFAULT NULL, `b` datetime DEFAULT '2011-11-18 00:00:00', `like_b` datetime DEFAULT CURRENT_TIMESTAMP, `c` datetime NOT NULL DEFAULT '2011-11-18 00:00:00', `like_c` datetime NOT NULL DEFAULT CURRENT_TIMESTAMP, `d` timestamp NULL DEFAULT '2011-05-03 00:00:00' ON UPDATE CURRENT_TIMESTAMP, `e` timestamp NOT NULL DEFAULT '2011-05-03 00:00:00', `f` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP, `g` timestamp NULL DEFAULT NULL, `h` int(11) DEFAULT NULL, `i` int(11) NOT NULL DEFAULT '42' ) ENGINE=MyISAM DEFAULT CHARSET=latin1 LOAD DATA INFILE "file2.dat" INTO table t1; Warnings: Warning 1263 Column set to default value; NULL supplied to NOT NULL column 'c' at row 1 Warning 1263 Column set to default value; NULL supplied to NOT NULL column 'like_c' at row 1 Warning 1263 Column set to default value; NULL supplied to NOT NULL column 'i' at row 1 SELECT * FROM t1; dummy NULL a NULL b NULL like_b NULL c 0000-00-00 00:00:00 like_c 0000-00-00 00:00:00 d NULL e 2011-08-01 15:11:19 f 2011-08-01 15:11:19 g NULL h NULL i 0 delete from t1; alter table t1 modify f TIMESTAMP NULL default CURRENT_TIMESTAMP; # There is no promotion SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `dummy` int(11) DEFAULT NULL, `a` datetime DEFAULT NULL, `b` datetime DEFAULT '2011-11-18 00:00:00', `like_b` datetime DEFAULT CURRENT_TIMESTAMP, `c` datetime NOT NULL DEFAULT '2011-11-18 00:00:00', `like_c` datetime NOT NULL DEFAULT CURRENT_TIMESTAMP, `d` timestamp NULL DEFAULT '2011-05-03 00:00:00' ON UPDATE CURRENT_TIMESTAMP, `e` timestamp NOT NULL DEFAULT '2011-05-03 00:00:00', `f` timestamp NULL DEFAULT CURRENT_TIMESTAMP, `g` timestamp NULL DEFAULT NULL, `h` int(11) DEFAULT NULL, `i` int(11) NOT NULL DEFAULT '42' ) ENGINE=MyISAM DEFAULT CHARSET=latin1 LOAD DATA INFILE "file2.dat" INTO table t1; Warnings: Warning 1263 Column set to default value; NULL supplied to NOT NULL column 'c' at row 1 Warning 1263 Column set to default value; NULL supplied to NOT NULL column 'like_c' at row 1 Warning 1263 Column set to default value; NULL supplied to NOT NULL column 'i' at row 1 SELECT * FROM t1; dummy NULL a NULL b NULL like_b NULL c 0000-00-00 00:00:00 like_c 0000-00-00 00:00:00 d NULL e 2011-08-01 15:11:19 f NULL g NULL h NULL i 0 delete from t1; # Conclusion derived from trunk's results: # DATETIME NULL (a,b) gets NULL, # DATETIME NOT NULL (c) gets 0000-00-00, # TIMESTAMP NULL (d,f,g) gets NULL, # TIMESTAMP NOT NULL (e) gets NOW. drop table t1; # # Test of updatable views with check options. The option can be violated # using ON UPDATE updates which is very strange as this offers a loophole # in this integrity check. # SET TIME_ZONE = "+03:00"; # 1970-01-01 03:16:40 SET TIMESTAMP = 1000.123456; CREATE TABLE t1 ( a INT, b TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP); SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `a` int(11) DEFAULT NULL, `b` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP ) ENGINE=MyISAM DEFAULT CHARSET=latin1 INSERT INTO t1 ( a ) VALUES ( 1 ); SELECT * FROM t1; a b 1 1970-01-01 03:16:40 CREATE VIEW v1 AS SELECT * FROM t1 WHERE b <= '1970-01-01 03:16:40.123456' WITH CHECK OPTION; SELECT * FROM v1; a b 1 1970-01-01 03:16:40 # 1970-01-01 03:33:20 SET TIMESTAMP = 2000.000234; Logically, there should be an ER_VIEW_CHECK_FAILED here. UPDATE v1 SET a = 2; SELECT * FROM t1; a b 2 1970-01-01 03:33:20 DROP VIEW v1; DROP TABLE t1; CREATE TABLE t1 ( a TIMESTAMP NOT NULL DEFAULT '1973-08-14 09:11:22.089786' ON UPDATE CURRENT_TIMESTAMP, c INT KEY ); # 1973-08-14 09:11:22 UTC SET TIMESTAMP = 114167482.534231; INSERT INTO t1 ( c ) VALUES ( 1 ); CREATE VIEW v1 AS SELECT * FROM t1 WHERE a >= '1973-08-14 09:11:22' WITH LOCAL CHECK OPTION; SELECT * FROM v1; a c 1973-08-14 09:11:22 1 SET TIMESTAMP = 1.126789; Logically, there should be an ER_VIEW_CHECK_FAILED here. INSERT INTO v1 ( c ) VALUES ( 1 ) ON DUPLICATE KEY UPDATE c = 2; SELECT * FROM v1; a c DROP VIEW v1; DROP TABLE t1; # # Bug 13095459 - MULTI-TABLE UPDATE MODIFIES A ROW TWICE # CREATE TABLE t1 ( a INT, b INT, ts TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP, PRIMARY KEY ( a, ts ) ); INSERT INTO t1( a, b, ts ) VALUES ( 1, 0, '2000-09-28 17:44:34' ); CREATE TABLE t2 ( a INT ); INSERT INTO t2 VALUES ( 1 ); UPDATE t1 STRAIGHT_JOIN t2 SET t1.b = t1.b + 1 WHERE t1.a = 1 AND t1.ts >= '2000-09-28 00:00:00'; SELECT b FROM t1; b 1 DROP TABLE t1, t2; # # Bug#11745578: 17392: ALTER TABLE ADD COLUMN TIMESTAMP DEFAULT # CURRENT_TIMESTAMP INSERTS ZERO # SET timestamp = 1000; CREATE TABLE t1 ( b INT ); INSERT INTO t1 VALUES (1),(2); ALTER TABLE t1 ADD COLUMN a6 DATETIME DEFAULT NOW() ON UPDATE NOW() FIRST; ALTER TABLE t1 ADD COLUMN a5 DATETIME DEFAULT NOW() FIRST; ALTER TABLE t1 ADD COLUMN a4 DATETIME ON UPDATE NOW() FIRST; ALTER TABLE t1 ADD COLUMN a3 TIMESTAMP NOT NULL DEFAULT NOW() ON UPDATE NOW() FIRST; ALTER TABLE t1 ADD COLUMN a2 TIMESTAMP NOT NULL DEFAULT NOW() FIRST; ALTER TABLE t1 ADD COLUMN a1 TIMESTAMP NOT NULL DEFAULT '0000-00-00 00:00:00' ON UPDATE NOW() FIRST; ALTER TABLE t1 ADD COLUMN c1 TIMESTAMP NOT NULL DEFAULT '0000-00-00 00:00:00' ON UPDATE NOW() AFTER b; ALTER TABLE t1 ADD COLUMN c2 TIMESTAMP NOT NULL DEFAULT NOW() AFTER c1; ALTER TABLE t1 ADD COLUMN c3 TIMESTAMP NOT NULL DEFAULT NOW() ON UPDATE NOW() AFTER c2; ALTER TABLE t1 ADD COLUMN c4 DATETIME ON UPDATE NOW() AFTER c3; ALTER TABLE t1 ADD COLUMN c5 DATETIME DEFAULT NOW() AFTER c4; ALTER TABLE t1 ADD COLUMN c6 DATETIME DEFAULT NOW() ON UPDATE NOW() AFTER c5; SELECT * FROM t1; a1 a2 a3 a4 a5 a6 b c1 c2 c3 c4 c5 c6 0000-00-00 00:00:00 1970-01-01 03:16:40 1970-01-01 03:16:40 NULL 1970-01-01 03:16:40 1970-01-01 03:16:40 1 0000-00-00 00:00:00 1970-01-01 03:16:40 1970-01-01 03:16:40 NULL 1970-01-01 03:16:40 1970-01-01 03:16:40 0000-00-00 00:00:00 1970-01-01 03:16:40 1970-01-01 03:16:40 NULL 1970-01-01 03:16:40 1970-01-01 03:16:40 2 0000-00-00 00:00:00 1970-01-01 03:16:40 1970-01-01 03:16:40 NULL 1970-01-01 03:16:40 1970-01-01 03:16:40 DROP TABLE t1; CREATE TABLE t1 ( a TIMESTAMP NOT NULL DEFAULT NOW() ON UPDATE CURRENT_TIMESTAMP, b DATETIME DEFAULT NOW() ); INSERT INTO t1 VALUES (); SET timestamp = 1000000000; ALTER TABLE t1 MODIFY COLUMN a TIMESTAMP(3) DEFAULT CURRENT_TIMESTAMP(3); ALTER TABLE t1 MODIFY COLUMN b DATETIME(3) DEFAULT CURRENT_TIMESTAMP(3); SELECT * FROM t1; a b 1970-01-01 03:16:40.000 1970-01-01 03:16:40.000 DROP TABLE t1; CREATE TABLE t1 ( a TIMESTAMP NOT NULL DEFAULT '1999-12-01 11:22:33' ON UPDATE CURRENT_TIMESTAMP, b DATETIME DEFAULT '1999-12-01 11:22:33' ); INSERT INTO t1 VALUES (); ALTER TABLE t1 MODIFY COLUMN a TIMESTAMP DEFAULT NOW(); ALTER TABLE t1 MODIFY COLUMN b DATETIME DEFAULT NOW(); INSERT INTO t1 VALUES (); SELECT * FROM t1; a b 1999-12-01 11:22:33 1999-12-01 11:22:33 2001-09-09 04:46:40 2001-09-09 04:46:40 DROP TABLE t1; SET sql_mode = default; # # Function defaults run 2. Six digits scale on seconds # precision. InnoDB. # set default_storage_engine=innodb; SET TIME_ZONE = "+00:00"; SET sql_mode = 'NO_ENGINE_SUBSTITUTION'; Warnings: Warning 3090 Changing sql mode 'NO_AUTO_CREATE_USER' is deprecated. It will be removed in a future release. # # Test of errors for column data types that dont support function # defaults. # CREATE TABLE t1( a BIT DEFAULT CURRENT_TIMESTAMP(6) ); ERROR 42000: Invalid default value for 'a' CREATE TABLE t1( a TINYINT DEFAULT CURRENT_TIMESTAMP(6) ); ERROR 42000: Invalid default value for 'a' CREATE TABLE t1( a SMALLINT DEFAULT CURRENT_TIMESTAMP(6) ); ERROR 42000: Invalid default value for 'a' CREATE TABLE t1( a MEDIUMINT DEFAULT CURRENT_TIMESTAMP(6) ); ERROR 42000: Invalid default value for 'a' CREATE TABLE t1( a INT DEFAULT CURRENT_TIMESTAMP(6) ); ERROR 42000: Invalid default value for 'a' CREATE TABLE t1( a BIGINT DEFAULT CURRENT_TIMESTAMP(6) ); ERROR 42000: Invalid default value for 'a' CREATE TABLE t1( a FLOAT DEFAULT CURRENT_TIMESTAMP(6) ); ERROR 42000: Invalid default value for 'a' CREATE TABLE t1( a DECIMAL DEFAULT CURRENT_TIMESTAMP(6) ); ERROR 42000: Invalid default value for 'a' CREATE TABLE t1( a DATE DEFAULT CURRENT_TIMESTAMP(6) ); ERROR 42000: Invalid default value for 'a' CREATE TABLE t1( a TIME DEFAULT CURRENT_TIMESTAMP(6) ); ERROR 42000: Invalid default value for 'a' CREATE TABLE t1( a YEAR DEFAULT CURRENT_TIMESTAMP(6) ); ERROR 42000: Invalid default value for 'a' CREATE TABLE t1( a BIT ON UPDATE CURRENT_TIMESTAMP(6) ); ERROR HY000: Invalid ON UPDATE clause for 'a' column CREATE TABLE t1( a TINYINT ON UPDATE CURRENT_TIMESTAMP(6) ); ERROR HY000: Invalid ON UPDATE clause for 'a' column CREATE TABLE t1( a SMALLINT ON UPDATE CURRENT_TIMESTAMP(6) ); ERROR HY000: Invalid ON UPDATE clause for 'a' column CREATE TABLE t1( a MEDIUMINT ON UPDATE CURRENT_TIMESTAMP(6) ); ERROR HY000: Invalid ON UPDATE clause for 'a' column CREATE TABLE t1( a INT ON UPDATE CURRENT_TIMESTAMP(6) ); ERROR HY000: Invalid ON UPDATE clause for 'a' column CREATE TABLE t1( a BIGINT ON UPDATE CURRENT_TIMESTAMP(6) ); ERROR HY000: Invalid ON UPDATE clause for 'a' column CREATE TABLE t1( a FLOAT ON UPDATE CURRENT_TIMESTAMP(6) ); ERROR HY000: Invalid ON UPDATE clause for 'a' column CREATE TABLE t1( a DECIMAL ON UPDATE CURRENT_TIMESTAMP(6) ); ERROR HY000: Invalid ON UPDATE clause for 'a' column CREATE TABLE t1( a DATE ON UPDATE CURRENT_TIMESTAMP(6) ); ERROR HY000: Invalid ON UPDATE clause for 'a' column CREATE TABLE t1( a TIME ON UPDATE CURRENT_TIMESTAMP(6) ); ERROR HY000: Invalid ON UPDATE clause for 'a' column CREATE TABLE t1( a YEAR ON UPDATE CURRENT_TIMESTAMP(6) ); ERROR HY000: Invalid ON UPDATE clause for 'a' column # # Test that the default clause behaves like NOW() regarding time zones. # CREATE TABLE t1 ( a TIMESTAMP(6) NOT NULL DEFAULT CURRENT_TIMESTAMP(6) ON UPDATE CURRENT_TIMESTAMP(6), b TIMESTAMP(6) NOT NULL DEFAULT CURRENT_TIMESTAMP(6), c TIMESTAMP(6) NOT NULL DEFAULT '0000-00-00 00:00:00' ON UPDATE CURRENT_TIMESTAMP(6), d TIMESTAMP(6) NULL, e DATETIME(6) DEFAULT CURRENT_TIMESTAMP(6) ON UPDATE CURRENT_TIMESTAMP(6), f DATETIME(6) DEFAULT CURRENT_TIMESTAMP(6), g DATETIME(6) ON UPDATE CURRENT_TIMESTAMP(6), h DATETIME(6) ); # 2011-09-27 14:11:08 UTC SET TIMESTAMP = 1317132668.654321; SET @old_time_zone = @@TIME_ZONE; SET TIME_ZONE = "+05:00"; INSERT INTO t1( d, h ) VALUES ( NOW(6), NOW(6) ); SELECT * FROM t1; a b c d e f g h 2011-09-27 19:11:08.654321 2011-09-27 19:11:08.654321 0000-00-00 00:00:00.000000 2011-09-27 19:11:08.654321 2011-09-27 19:11:08.654321 2011-09-27 19:11:08.654321 NULL 2011-09-27 19:11:08.654321 # 1989-05-13 01:02:03 SET TIMESTAMP = 611017323.543212; UPDATE t1 SET d = NOW(6), h = NOW(6); SELECT * FROM t1; a b c d e f g h 1989-05-13 04:02:03.543212 2011-09-27 19:11:08.654321 1989-05-13 04:02:03.543212 1989-05-13 04:02:03.543212 1989-05-13 04:02:03.543212 2011-09-27 19:11:08.654321 1989-05-13 04:02:03.543212 1989-05-13 04:02:03.543212 SET TIME_ZONE = @old_time_zone; DROP TABLE t1; # # Test of several TIMESTAMP columns with different function defaults. # CREATE TABLE t1 ( a TIMESTAMP(6) NOT NULL DEFAULT CURRENT_TIMESTAMP(6) ON UPDATE CURRENT_TIMESTAMP(6), b TIMESTAMP(6) NOT NULL DEFAULT CURRENT_TIMESTAMP(6) ON UPDATE CURRENT_TIMESTAMP(6), c TIMESTAMP(6) NOT NULL DEFAULT CURRENT_TIMESTAMP(6), d TIMESTAMP(6) NOT NULL DEFAULT '0000-00-00 00:00:00' ON UPDATE CURRENT_TIMESTAMP(6), e TIMESTAMP(6) NOT NULL DEFAULT '0000-00-00 00:00:00' ON UPDATE CURRENT_TIMESTAMP(6), f INT ); # 2011-04-19 07:22:02 UTC SET TIMESTAMP = 1303197722.534231; INSERT INTO t1 ( f ) VALUES (1); SELECT * FROM t1; a b c d e f 2011-04-19 07:22:02.534231 2011-04-19 07:22:02.534231 2011-04-19 07:22:02.534231 0000-00-00 00:00:00.000000 0000-00-00 00:00:00.000000 1 # 2011-04-19 07:23:18 UTC SET TIMESTAMP = 1303197798.132435; UPDATE t1 SET f = 2; SELECT * FROM t1; a b c d e f 2011-04-19 07:23:18.132435 2011-04-19 07:23:18.132435 2011-04-19 07:22:02.534231 2011-04-19 07:23:18.132435 2011-04-19 07:23:18.132435 2 DROP TABLE t1; # # Test of inserted values out of order. # CREATE TABLE t1 ( a INT, b TIMESTAMP(6) NOT NULL DEFAULT CURRENT_TIMESTAMP(6) ON UPDATE CURRENT_TIMESTAMP(6), c TIMESTAMP(6) NOT NULL DEFAULT CURRENT_TIMESTAMP(6), d TIMESTAMP(6) NOT NULL DEFAULT '0000-00-00 00:00:00' ON UPDATE CURRENT_TIMESTAMP(6), e TIMESTAMP(6) NULL, f DATETIME(6), g DATETIME(6) DEFAULT CURRENT_TIMESTAMP(6), h DATETIME(6) ON UPDATE CURRENT_TIMESTAMP(6), i DATETIME(6) DEFAULT CURRENT_TIMESTAMP(6) ON UPDATE CURRENT_TIMESTAMP(6), j INT ); # 2011-04-19 07:22:02 UTC SET TIMESTAMP = 1303197722.534231; INSERT INTO t1 ( j, a ) VALUES ( 1, 1 ); SELECT * FROM t1; a b c d e f g h i j 1 2011-04-19 07:22:02.534231 2011-04-19 07:22:02.534231 0000-00-00 00:00:00.000000 NULL NULL 2011-04-19 07:22:02.534231 NULL 2011-04-19 07:22:02.534231 1 DROP TABLE t1; # # Test of ON DUPLICATE KEY UPDATE # CREATE TABLE t1 ( a INT PRIMARY KEY, b INT, c TIMESTAMP(6) NOT NULL DEFAULT CURRENT_TIMESTAMP(6) ON UPDATE CURRENT_TIMESTAMP(6), d TIMESTAMP(6) NOT NULL DEFAULT CURRENT_TIMESTAMP(6), e TIMESTAMP(6) NOT NULL DEFAULT '0000-00-00 00:00:00' ON UPDATE CURRENT_TIMESTAMP(6), f TIMESTAMP(6) NOT NULL DEFAULT '1986-09-27 03:00:00.098765', g TIMESTAMP(6) NULL, h DATETIME(6) DEFAULT CURRENT_TIMESTAMP(6) ON UPDATE CURRENT_TIMESTAMP(6), i DATETIME(6) DEFAULT CURRENT_TIMESTAMP(6), j DATETIME(6) ON UPDATE CURRENT_TIMESTAMP(6), k DATETIME(6) NULL, l DATETIME(6) DEFAULT '1986-09-27 03:00:00.098765' ); # 1977-12-21 23:00:00 UTC SET TIMESTAMP = 251593200.192837; INSERT INTO t1(a) VALUES (1) ON DUPLICATE KEY UPDATE b = 2; SELECT * FROM t1; a b c d e f g h i j k l 1 NULL 1977-12-21 23:00:00.192837 1977-12-21 23:00:00.192837 0000-00-00 00:00:00.000000 1986-09-27 03:00:00.098765 NULL 1977-12-21 23:00:00.192837 1977-12-21 23:00:00.192837 NULL NULL 1986-09-27 03:00:00.098765 # 1975-05-21 23:00:00 UTC SET TIMESTAMP = 169945200.918273; INSERT INTO t1(a) VALUES (1) ON DUPLICATE KEY UPDATE b = 2; SELECT * FROM t1; a b c d e f g h i j k l 1 2 1975-05-21 23:00:00.918273 1977-12-21 23:00:00.192837 1975-05-21 23:00:00.918273 1986-09-27 03:00:00.098765 NULL 1975-05-21 23:00:00.918273 1977-12-21 23:00:00.192837 1975-05-21 23:00:00.918273 NULL 1986-09-27 03:00:00.098765 # 1973-08-14 09:11:22 UTC SET TIMESTAMP = 114167482.534231; INSERT INTO t1(a) VALUES (2) ON DUPLICATE KEY UPDATE b = 2; SELECT * FROM t1; a b c d e f g h i j k l 1 2 1975-05-21 23:00:00.918273 1977-12-21 23:00:00.192837 1975-05-21 23:00:00.918273 1986-09-27 03:00:00.098765 NULL 1975-05-21 23:00:00.918273 1977-12-21 23:00:00.192837 1975-05-21 23:00:00.918273 NULL 1986-09-27 03:00:00.098765 2 NULL 1973-08-14 09:11:22.534231 1973-08-14 09:11:22.534231 0000-00-00 00:00:00.000000 1986-09-27 03:00:00.098765 NULL 1973-08-14 09:11:22.534231 1973-08-14 09:11:22.534231 NULL NULL 1986-09-27 03:00:00.098765 DROP TABLE t1; CREATE TABLE t1 ( a INT PRIMARY KEY, b INT, c TIMESTAMP(6) NOT NULL DEFAULT CURRENT_TIMESTAMP(6) ON UPDATE CURRENT_TIMESTAMP(6) ); # 2011-04-19 07:23:18 UTC SET TIMESTAMP = 1303197798.945156; INSERT INTO t1 VALUES (1, 0, '2001-01-01 01:01:01.111111'), (2, 0, '2002-02-02 02:02:02.222222'), (3, 0, '2003-03-03 03:03:03.333333'); SELECT * FROM t1; a b c 1 0 2001-01-01 01:01:01.111111 2 0 2002-02-02 02:02:02.222222 3 0 2003-03-03 03:03:03.333333 UPDATE t1 SET b = 2, c = c WHERE a = 2; SELECT * FROM t1; a b c 1 0 2001-01-01 01:01:01.111111 2 2 2002-02-02 02:02:02.222222 3 0 2003-03-03 03:03:03.333333 INSERT INTO t1 (a) VALUES (4); SELECT * FROM t1; a b c 1 0 2001-01-01 01:01:01.111111 2 2 2002-02-02 02:02:02.222222 3 0 2003-03-03 03:03:03.333333 4 NULL 2011-04-19 07:23:18.945156 UPDATE t1 SET c = '2004-04-04 04:04:04.444444' WHERE a = 4; SELECT * FROM t1; a b c 1 0 2001-01-01 01:01:01.111111 2 2 2002-02-02 02:02:02.222222 3 0 2003-03-03 03:03:03.333333 4 NULL 2004-04-04 04:04:04.444444 INSERT INTO t1 ( a ) VALUES ( 3 ), ( 5 ) ON DUPLICATE KEY UPDATE b = 3, c = c; SELECT * FROM t1; a b c 1 0 2001-01-01 01:01:01.111111 2 2 2002-02-02 02:02:02.222222 3 3 2003-03-03 03:03:03.333333 4 NULL 2004-04-04 04:04:04.444444 5 NULL 2011-04-19 07:23:18.945156 INSERT INTO t1 (a, c) VALUES (4, '2004-04-04 00:00:00.444444'), (6, '2006-06-06 06:06:06.666666') ON DUPLICATE KEY UPDATE b = 4; SELECT * FROM t1; a b c 1 0 2001-01-01 01:01:01.111111 2 2 2002-02-02 02:02:02.222222 3 3 2003-03-03 03:03:03.333333 4 4 2011-04-19 07:23:18.945156 5 NULL 2011-04-19 07:23:18.945156 6 NULL 2006-06-06 06:06:06.666666 DROP TABLE t1; # # Test of REPLACE INTO executed as UPDATE. # CREATE TABLE t1 ( a INT PRIMARY KEY, b TIMESTAMP(6) NOT NULL DEFAULT CURRENT_TIMESTAMP(6) ON UPDATE CURRENT_TIMESTAMP(6), c DATETIME(6) DEFAULT CURRENT_TIMESTAMP(6) ON UPDATE CURRENT_TIMESTAMP(6), d TIMESTAMP(6) NOT NULL DEFAULT CURRENT_TIMESTAMP(6), e DATETIME(6) DEFAULT CURRENT_TIMESTAMP(6), f TIMESTAMP(6) NOT NULL DEFAULT '0000-00-00 00:00:00' ON UPDATE CURRENT_TIMESTAMP(6), g DATETIME(6) ON UPDATE CURRENT_TIMESTAMP(6), h TIMESTAMP(6) NULL, i DATETIME(6) ); # 1970-09-21 09:11:12 UTC SET TIMESTAMP = 22756272.163584; REPLACE INTO t1 ( a ) VALUES ( 1 ); SELECT * FROM t1; a b c d e f g h i 1 1970-09-21 09:11:12.163584 1970-09-21 09:11:12.163584 1970-09-21 09:11:12.163584 1970-09-21 09:11:12.163584 0000-00-00 00:00:00.000000 NULL NULL NULL # 1970-11-10 14:16:17 UTC SET TIMESTAMP = 27094577.852954; REPLACE INTO t1 ( a ) VALUES ( 1 ); SELECT * FROM t1; a b c d e f g h i 1 1970-11-10 14:16:17.852954 1970-11-10 14:16:17.852954 1970-11-10 14:16:17.852954 1970-11-10 14:16:17.852954 0000-00-00 00:00:00.000000 NULL NULL NULL DROP TABLE t1; # # Test of insertion of NULL, DEFAULT and an empty row for DEFAULT # CURRENT_TIMESTAMP. # CREATE TABLE t1 ( a TIMESTAMP(6) NOT NULL DEFAULT CURRENT_TIMESTAMP(6) ON UPDATE CURRENT_TIMESTAMP(6), b DATETIME(6) DEFAULT CURRENT_TIMESTAMP(6), c INT ); # 2011-04-20 09:53:41 UTC SET TIMESTAMP = 1303293221.163578; INSERT INTO t1 VALUES (NULL, NULL, 1), (DEFAULT, DEFAULT, 2); INSERT INTO t1 ( a, b, c ) VALUES (NULL, NULL, 3), (DEFAULT, DEFAULT, 4); SELECT * FROM t1; a b c 2011-04-20 09:53:41.163578 NULL 1 2011-04-20 09:53:41.163578 2011-04-20 09:53:41.163578 2 2011-04-20 09:53:41.163578 NULL 3 2011-04-20 09:53:41.163578 2011-04-20 09:53:41.163578 4 SET TIME_ZONE = "+03:00"; SELECT * FROM t1; a b c 2011-04-20 12:53:41.163578 NULL 1 2011-04-20 12:53:41.163578 2011-04-20 09:53:41.163578 2 2011-04-20 12:53:41.163578 NULL 3 2011-04-20 12:53:41.163578 2011-04-20 09:53:41.163578 4 SET TIME_ZONE = "+00:00"; DROP TABLE t1; # 2011-04-20 07:05:39 UTC SET TIMESTAMP = 1303283139.195624; CREATE TABLE t1 ( a TIMESTAMP(6) NOT NULL DEFAULT '2010-10-11 12:34:56' ON UPDATE CURRENT_TIMESTAMP(6), b DATETIME(6) DEFAULT '2010-10-11 12:34:56' ); INSERT INTO t1 VALUES (NULL, NULL), (DEFAULT, DEFAULT); INSERT INTO t1 ( a, b ) VALUES (NULL, NULL), (DEFAULT, DEFAULT); SELECT * FROM t1; a b 2011-04-20 07:05:39.195624 NULL 2010-10-11 12:34:56.000000 2010-10-11 12:34:56.000000 2011-04-20 07:05:39.195624 NULL 2010-10-11 12:34:56.000000 2010-10-11 12:34:56.000000 DROP TABLE t1; # 2011-04-20 09:53:41 UTC SET TIMESTAMP = 1303293221.136952; CREATE TABLE t1 ( a TIMESTAMP(6) NOT NULL DEFAULT CURRENT_TIMESTAMP(6) ON UPDATE CURRENT_TIMESTAMP(6), b TIMESTAMP(6) NOT NULL DEFAULT CURRENT_TIMESTAMP(6), c TIMESTAMP(6) NOT NULL DEFAULT '0000-00-00 00:00:00' ON UPDATE CURRENT_TIMESTAMP(6), d TIMESTAMP(6) NOT NULL DEFAULT '1986-09-27 03:00:00.098765', e TIMESTAMP(6) NULL, f DATETIME(6) DEFAULT CURRENT_TIMESTAMP(6) ON UPDATE CURRENT_TIMESTAMP(6), g DATETIME(6) DEFAULT CURRENT_TIMESTAMP(6), h DATETIME(6) ON UPDATE CURRENT_TIMESTAMP(6), i DATETIME(6) NULL, j DATETIME(6) DEFAULT '1986-09-27 03:00:00.098765' ); INSERT INTO t1 VALUES (); INSERT INTO t1 SELECT NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL; SELECT * FROM t1; a b c d e f g h i j 2011-04-20 09:53:41.136952 2011-04-20 09:53:41.136952 0000-00-00 00:00:00.000000 1986-09-27 03:00:00.098765 NULL 2011-04-20 09:53:41.136952 2011-04-20 09:53:41.136952 NULL NULL 1986-09-27 03:00:00.098765 2011-04-20 09:53:41.136952 2011-04-20 09:53:41.136952 2011-04-20 09:53:41.136952 2011-04-20 09:53:41.136952 NULL NULL NULL NULL NULL NULL DROP TABLE t1; # # Test of multiple-table UPDATE for DEFAULT CURRENT_TIMESTAMP # CREATE TABLE t1 ( a TIMESTAMP(6) NOT NULL DEFAULT CURRENT_TIMESTAMP(6) ON UPDATE CURRENT_TIMESTAMP(6), b DATETIME(6) DEFAULT CURRENT_TIMESTAMP(6), c INT ); INSERT INTO t1 ( c ) VALUES (1); SELECT * FROM t1; a b c 2011-04-20 09:53:41.136952 2011-04-20 09:53:41.136952 1 # 2011-04-20 17:06:13 UTC SET TIMESTAMP = 1303311973.163587; UPDATE t1 t11, t1 t12 SET t11.c = 1; SELECT * FROM t1; a b c 2011-04-20 09:53:41.136952 2011-04-20 09:53:41.136952 1 UPDATE t1 t11, t1 t12 SET t11.c = 2; SELECT * FROM t1; a b c 2011-04-20 15:06:13.163587 2011-04-20 09:53:41.136952 2 DROP TABLE t1; CREATE TABLE t1 ( a TIMESTAMP(6) NOT NULL DEFAULT CURRENT_TIMESTAMP(6), b TIMESTAMP(6) NOT NULL DEFAULT '0000-00-00 00:00:00' ON UPDATE CURRENT_TIMESTAMP(6), c DATETIME(6) DEFAULT CURRENT_TIMESTAMP(6), d DATETIME(6) ON UPDATE CURRENT_TIMESTAMP(6), e INT ); CREATE TABLE t2 ( f INT, g DATETIME(6) ON UPDATE CURRENT_TIMESTAMP(6), h DATETIME(6) DEFAULT CURRENT_TIMESTAMP(6), i TIMESTAMP(6) NOT NULL DEFAULT '0000-00-00 00:00:00' ON UPDATE CURRENT_TIMESTAMP(6), j TIMESTAMP(6) NOT NULL DEFAULT CURRENT_TIMESTAMP(6) ); # 1995-03-11 00:02:03 UTC SET TIMESTAMP = 794880123.195676; INSERT INTO t1 ( e ) VALUES ( 1 ), ( 2 ); INSERT INTO t2 ( f ) VALUES ( 1 ), ( 2 ); SELECT * FROM t1; a b c d e 1995-03-11 00:02:03.195676 0000-00-00 00:00:00.000000 1995-03-11 00:02:03.195676 NULL 1 1995-03-11 00:02:03.195676 0000-00-00 00:00:00.000000 1995-03-11 00:02:03.195676 NULL 2 SELECT * FROM t2; f g h i j 1 NULL 1995-03-11 00:02:03.195676 0000-00-00 00:00:00.000000 1995-03-11 00:02:03.195676 2 NULL 1995-03-11 00:02:03.195676 0000-00-00 00:00:00.000000 1995-03-11 00:02:03.195676 # 1980-12-13 02:02:01 UTC SET TIMESTAMP = 345520921.196755; UPDATE t1, t2 SET t1.e = 3, t2.f = 4; SELECT * FROM t1; a b c d e 1995-03-11 00:02:03.195676 1980-12-13 02:02:01.196755 1995-03-11 00:02:03.195676 1980-12-13 02:02:01.196755 3 1995-03-11 00:02:03.195676 1980-12-13 02:02:01.196755 1995-03-11 00:02:03.195676 1980-12-13 02:02:01.196755 3 SELECT * FROM t2; f g h i j 4 1980-12-13 02:02:01.196755 1995-03-11 00:02:03.195676 1980-12-13 02:02:01.196755 1995-03-11 00:02:03.195676 4 1980-12-13 02:02:01.196755 1995-03-11 00:02:03.195676 1980-12-13 02:02:01.196755 1995-03-11 00:02:03.195676 DROP TABLE t1, t2; # # Test of multiple table update with temporary table and on the fly. # CREATE TABLE t1 ( a TIMESTAMP(6) NOT NULL DEFAULT '0000-00-00 00:00:00' ON UPDATE CURRENT_TIMESTAMP(6), b DATETIME(6) ON UPDATE CURRENT_TIMESTAMP(6), c INT, d INT ); CREATE TABLE t2 ( a TIMESTAMP(6) NOT NULL DEFAULT '0000-00-00 00:00:00' ON UPDATE CURRENT_TIMESTAMP(6), b DATETIME(6) ON UPDATE CURRENT_TIMESTAMP(6), c INT KEY, d INT ); INSERT INTO t1 ( c ) VALUES (1), (2); INSERT INTO t2 ( c ) VALUES (1), (2); # Test of multiple table update done on the fly # 2011-04-20 15:06:13 UTC SET TIMESTAMP = 1303311973.194685; UPDATE t1 JOIN t2 USING ( c ) SET t2.d = 1; SELECT * FROM t1; a b c d 0000-00-00 00:00:00.000000 NULL 1 NULL 0000-00-00 00:00:00.000000 NULL 2 NULL SELECT * FROM t2; a b c d 2011-04-20 15:06:13.194685 2011-04-20 15:06:13.194685 1 1 2011-04-20 15:06:13.194685 2011-04-20 15:06:13.194685 2 1 # Test of multiple table update done with temporary table. # 1979-01-15 03:02:01 SET TIMESTAMP = 285213721.134679; UPDATE t1 JOIN t2 USING ( c ) SET t1.d = 1; SELECT * FROM t1; a b c d 1979-01-15 02:02:01.134679 1979-01-15 02:02:01.134679 1 1 1979-01-15 02:02:01.134679 1979-01-15 02:02:01.134679 2 1 SELECT * FROM t2; a b c d 2011-04-20 15:06:13.194685 2011-04-20 15:06:13.194685 1 1 2011-04-20 15:06:13.194685 2011-04-20 15:06:13.194685 2 1 DROP TABLE t1, t2; # # Test of ON UPDATE CURRENT_TIMESTAMP. # CREATE TABLE t1 ( a TIMESTAMP(6) NOT NULL DEFAULT '0000-00-00 00:00:00' ON UPDATE CURRENT_TIMESTAMP(6), b DATETIME(6) ON UPDATE CURRENT_TIMESTAMP(6), c INT ); # 2011-04-20 09:53:41 UTC SET TIMESTAMP = 1303293221.794613; INSERT INTO t1 ( c ) VALUES ( 1 ); SELECT * FROM t1; a b c 0000-00-00 00:00:00.000000 NULL 1 UPDATE t1 SET c = 1; SELECT * FROM t1; a b c 0000-00-00 00:00:00.000000 NULL 1 UPDATE t1 SET c = 2; SELECT * FROM t1; a b c 2011-04-20 09:53:41.794613 2011-04-20 09:53:41.794613 2 # # Test of multiple-table UPDATE for ON UPDATE CURRENT_TIMESTAMP # # 2011-04-20 15:06:13 UTC SET TIMESTAMP = 1303311973.534231; UPDATE t1 t11, t1 t12 SET t11.c = 2; SELECT * FROM t1; a b c 2011-04-20 09:53:41.794613 2011-04-20 09:53:41.794613 2 UPDATE t1 t11, t1 t12 SET t11.c = 3; SELECT * FROM t1; a b c 2011-04-20 15:06:13.534231 2011-04-20 15:06:13.534231 3 DROP TABLE t1; # # Test of a multiple-table update where only one table is updated and # the updated table has a primary key. # CREATE TABLE t1 ( a INT, b INT, PRIMARY KEY (a) ); INSERT INTO t1 VALUES (1, 1),(2, 2),(3, 3),(4, 4); CREATE TABLE t2 ( a INT, b INT ); INSERT INTO t2 VALUES (1, 1),(2, 2),(3, 3),(4, 4),(5, 5); UPDATE t1, t2 SET t1.b = 100 WHERE t1.a = t2.a; SELECT * FROM t1; a b 1 100 2 100 3 100 4 100 SELECT * FROM t2; a b 1 1 2 2 3 3 4 4 5 5 DROP TABLE t1, t2; # # Test of ALTER TABLE, reordering columns. # CREATE TABLE t1 ( a TIMESTAMP(6) NOT NULL DEFAULT CURRENT_TIMESTAMP(6) ON UPDATE CURRENT_TIMESTAMP(6), b INT ); ALTER TABLE t1 MODIFY a TIMESTAMP(6) NOT NULL DEFAULT CURRENT_TIMESTAMP(6) ON UPDATE CURRENT_TIMESTAMP(6) AFTER b; SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `b` int(11) DEFAULT NULL, `a` timestamp(6) NOT NULL DEFAULT CURRENT_TIMESTAMP(6) ON UPDATE CURRENT_TIMESTAMP(6) ) ENGINE=InnoDB DEFAULT CHARSET=latin1 DROP TABLE t1; CREATE TABLE t1 ( a INT, b TIMESTAMP(6) NOT NULL DEFAULT CURRENT_TIMESTAMP(6) ON UPDATE CURRENT_TIMESTAMP(6), c TIMESTAMP(6) NULL ); ALTER TABLE t1 MODIFY b TIMESTAMP(6) NOT NULL DEFAULT CURRENT_TIMESTAMP(6) ON UPDATE CURRENT_TIMESTAMP(6) FIRST; SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `b` timestamp(6) NOT NULL DEFAULT CURRENT_TIMESTAMP(6) ON UPDATE CURRENT_TIMESTAMP(6), `a` int(11) DEFAULT NULL, `c` timestamp(6) NULL DEFAULT NULL ) ENGINE=InnoDB DEFAULT CHARSET=latin1 DROP TABLE t1; CREATE TABLE t1 ( a INT, b TIMESTAMP(6) NULL ); ALTER TABLE t1 MODIFY b TIMESTAMP(6) NOT NULL DEFAULT CURRENT_TIMESTAMP(6) ON UPDATE CURRENT_TIMESTAMP(6) FIRST; SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `b` timestamp(6) NOT NULL DEFAULT CURRENT_TIMESTAMP(6) ON UPDATE CURRENT_TIMESTAMP(6), `a` int(11) DEFAULT NULL ) ENGINE=InnoDB DEFAULT CHARSET=latin1 DROP TABLE t1; CREATE TABLE t1 ( a TIMESTAMP(6) NOT NULL DEFAULT CURRENT_TIMESTAMP(6) ON UPDATE CURRENT_TIMESTAMP(6), b TIMESTAMP(6) NULL ); ALTER TABLE t1 MODIFY a TIMESTAMP(6) NOT NULL DEFAULT '0000-00-00 00:00:00' AFTER b; SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `b` timestamp(6) NULL DEFAULT NULL, `a` timestamp(6) NOT NULL DEFAULT '0000-00-00 00:00:00.000000' ) ENGINE=InnoDB DEFAULT CHARSET=latin1 DROP TABLE t1; CREATE TABLE t1 ( a TIMESTAMP(6) NOT NULL DEFAULT CURRENT_TIMESTAMP(6) ON UPDATE CURRENT_TIMESTAMP(6), b TIMESTAMP(6) NULL ); ALTER TABLE t1 MODIFY a TIMESTAMP(6) NOT NULL DEFAULT '0000-00-00 00:00:00' AFTER b; SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `b` timestamp(6) NULL DEFAULT NULL, `a` timestamp(6) NOT NULL DEFAULT '0000-00-00 00:00:00.000000' ) ENGINE=InnoDB DEFAULT CHARSET=latin1 DROP TABLE t1; CREATE TABLE t1 ( a TIMESTAMP(6) NOT NULL DEFAULT '0000-00-00 00:00:00' ON UPDATE NOW(6), b INT, c TIMESTAMP(6) NULL ); SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `a` timestamp(6) NOT NULL DEFAULT '0000-00-00 00:00:00.000000' ON UPDATE CURRENT_TIMESTAMP(6), `b` int(11) DEFAULT NULL, `c` timestamp(6) NULL DEFAULT NULL ) ENGINE=InnoDB DEFAULT CHARSET=latin1 ALTER TABLE t1 MODIFY a TIMESTAMP(6) NOT NULL DEFAULT CURRENT_TIMESTAMP(6) ON UPDATE CURRENT_TIMESTAMP(6) AFTER b; SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `b` int(11) DEFAULT NULL, `a` timestamp(6) NOT NULL DEFAULT CURRENT_TIMESTAMP(6) ON UPDATE CURRENT_TIMESTAMP(6), `c` timestamp(6) NULL DEFAULT NULL ) ENGINE=InnoDB DEFAULT CHARSET=latin1 DROP TABLE t1; CREATE TABLE t1 ( a TIMESTAMP(6) NOT NULL DEFAULT '0000-00-00 00:00:00' ON UPDATE NOW(6), b INT, c TIMESTAMP(6) NULL ); ALTER TABLE t1 MODIFY c TIMESTAMP(6) NULL FIRST; SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `c` timestamp(6) NULL DEFAULT NULL, `a` timestamp(6) NOT NULL DEFAULT '0000-00-00 00:00:00.000000' ON UPDATE CURRENT_TIMESTAMP(6), `b` int(11) DEFAULT NULL ) ENGINE=InnoDB DEFAULT CHARSET=latin1 DROP TABLE t1; CREATE TABLE t1 ( a TIMESTAMP(6) NOT NULL DEFAULT NOW(6) ON UPDATE CURRENT_TIMESTAMP(6), b INT, c TIMESTAMP(6) NULL ); SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `a` timestamp(6) NOT NULL DEFAULT CURRENT_TIMESTAMP(6) ON UPDATE CURRENT_TIMESTAMP(6), `b` int(11) DEFAULT NULL, `c` timestamp(6) NULL DEFAULT NULL ) ENGINE=InnoDB DEFAULT CHARSET=latin1 ALTER TABLE t1 MODIFY a TIMESTAMP(6) NOT NULL DEFAULT NOW(6) ON UPDATE CURRENT_TIMESTAMP(6) AFTER b; SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `b` int(11) DEFAULT NULL, `a` timestamp(6) NOT NULL DEFAULT CURRENT_TIMESTAMP(6) ON UPDATE CURRENT_TIMESTAMP(6), `c` timestamp(6) NULL DEFAULT NULL ) ENGINE=InnoDB DEFAULT CHARSET=latin1 DROP TABLE t1; CREATE TABLE t1 ( a TIMESTAMP(6) NOT NULL DEFAULT NOW(6) ON UPDATE CURRENT_TIMESTAMP(6), b INT, c TIMESTAMP(6) NULL ); ALTER TABLE t1 MODIFY c TIMESTAMP(6) NULL FIRST; SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `c` timestamp(6) NULL DEFAULT NULL, `a` timestamp(6) NOT NULL DEFAULT CURRENT_TIMESTAMP(6) ON UPDATE CURRENT_TIMESTAMP(6), `b` int(11) DEFAULT NULL ) ENGINE=InnoDB DEFAULT CHARSET=latin1 DROP TABLE t1; # # Test of ALTER TABLE, adding columns. # CREATE TABLE t1 ( a INT ); ALTER TABLE t1 ADD COLUMN b TIMESTAMP(6) NOT NULL DEFAULT CURRENT_TIMESTAMP(6) ON UPDATE CURRENT_TIMESTAMP(6); SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `a` int(11) DEFAULT NULL, `b` timestamp(6) NOT NULL DEFAULT CURRENT_TIMESTAMP(6) ON UPDATE CURRENT_TIMESTAMP(6) ) ENGINE=InnoDB DEFAULT CHARSET=latin1 DROP TABLE t1; # # Test of INSERT SELECT. # CREATE TABLE t1 ( a TIMESTAMP(6) NOT NULL DEFAULT CURRENT_TIMESTAMP(6) ON UPDATE CURRENT_TIMESTAMP(6), b TIMESTAMP(6) NOT NULL DEFAULT CURRENT_TIMESTAMP(6) ON UPDATE CURRENT_TIMESTAMP(6), c DATETIME(6) DEFAULT CURRENT_TIMESTAMP(6) ON UPDATE CURRENT_TIMESTAMP(6), d DATETIME(6) DEFAULT CURRENT_TIMESTAMP(6) ON UPDATE CURRENT_TIMESTAMP(6) ); CREATE TABLE t2 ( placeholder1 INT, placeholder2 INT, placeholder3 INT, placeholder4 INT, a TIMESTAMP(6) NOT NULL DEFAULT CURRENT_TIMESTAMP(6) ON UPDATE CURRENT_TIMESTAMP(6), b TIMESTAMP(6) NOT NULL DEFAULT '0000-00-00 00:00:00', c DATETIME(6), d DATETIME(6) ); # 1977-08-16 15:30:01 UTC SET TIMESTAMP = 240589801.654312; INSERT INTO t2 (a, b, c, d) VALUES ( '1977-08-16 15:30:01.123456', '1977-08-16 15:30:01.234567', '1977-08-16 15:30:01.345678', '1977-08-16 15:30:01.456789' ); # 1986-09-27 01:00:00 UTC SET TIMESTAMP = 528166800.132435; INSERT INTO t1 ( a, c ) SELECT a, c FROM t2; SELECT * FROM t1; a b c d 1977-08-16 15:30:01.123456 1986-09-27 01:00:00.132435 1977-08-16 15:30:01.345678 1986-09-27 01:00:00.132435 DROP TABLE t1, t2; # # Test of CREATE TABLE SELECT. # # We test that the columns of the source table are used to determine # function defaults for the receiving table. # # 1970-04-11 20:13:57 UTC SET TIMESTAMP = 8712837.657898; CREATE TABLE t1 ( a TIMESTAMP(6) NOT NULL DEFAULT CURRENT_TIMESTAMP(6) ON UPDATE CURRENT_TIMESTAMP(6), b TIMESTAMP(6) NOT NULL DEFAULT CURRENT_TIMESTAMP(6), c TIMESTAMP(6) NOT NULL DEFAULT '0000-00-00 00:00:00' ON UPDATE CURRENT_TIMESTAMP(6), d TIMESTAMP(6) NOT NULL DEFAULT '1986-09-27 03:00:00.098765', e TIMESTAMP(6) NULL, f DATETIME(6) DEFAULT CURRENT_TIMESTAMP(6) ON UPDATE CURRENT_TIMESTAMP(6), g DATETIME(6) DEFAULT CURRENT_TIMESTAMP(6), h DATETIME(6) ON UPDATE CURRENT_TIMESTAMP(6), i DATETIME(6) NULL, j DATETIME(6) DEFAULT '1986-09-27 03:00:00.098765' ); INSERT INTO t1 VALUES (); # 1971-01-31 21:13:57 UTC SET TIMESTAMP = 34200837.164937; CREATE TABLE t2 SELECT a FROM t1; SHOW CREATE TABLE t2; Table Create Table t2 CREATE TABLE `t2` ( `a` timestamp(6) NOT NULL DEFAULT CURRENT_TIMESTAMP(6) ON UPDATE CURRENT_TIMESTAMP(6) ) ENGINE=InnoDB DEFAULT CHARSET=latin1 SELECT * FROM t2; a 1970-04-11 20:13:57.657898 CREATE TABLE t3 SELECT b FROM t1; SHOW CREATE TABLE t3; Table Create Table t3 CREATE TABLE `t3` ( `b` timestamp(6) NOT NULL DEFAULT CURRENT_TIMESTAMP(6) ) ENGINE=InnoDB DEFAULT CHARSET=latin1 SELECT * FROM t3; b 1970-04-11 20:13:57.657898 CREATE TABLE t4 SELECT c FROM t1; SHOW CREATE TABLE t4; Table Create Table t4 CREATE TABLE `t4` ( `c` timestamp(6) NOT NULL DEFAULT '0000-00-00 00:00:00.000000' ON UPDATE CURRENT_TIMESTAMP(6) ) ENGINE=InnoDB DEFAULT CHARSET=latin1 SELECT * FROM t4; c 0000-00-00 00:00:00.000000 CREATE TABLE t5 SELECT d FROM t1; SHOW CREATE TABLE t5; Table Create Table t5 CREATE TABLE `t5` ( `d` timestamp(6) NOT NULL DEFAULT '1986-09-27 03:00:00.098765' ) ENGINE=InnoDB DEFAULT CHARSET=latin1 SELECT * FROM t5; d 1986-09-27 03:00:00.098765 CREATE TABLE t6 SELECT e FROM t1; SHOW CREATE TABLE t6; Table Create Table t6 CREATE TABLE `t6` ( `e` timestamp(6) NULL DEFAULT NULL ) ENGINE=InnoDB DEFAULT CHARSET=latin1 SELECT * FROM t6; e NULL CREATE TABLE t7 SELECT f FROM t1; SHOW CREATE TABLE t7; Table Create Table t7 CREATE TABLE `t7` ( `f` datetime(6) DEFAULT CURRENT_TIMESTAMP(6) ON UPDATE CURRENT_TIMESTAMP(6) ) ENGINE=InnoDB DEFAULT CHARSET=latin1 SELECT * FROM t7; f 1970-04-11 20:13:57.657898 CREATE TABLE t8 SELECT g FROM t1; SHOW CREATE TABLE t8; Table Create Table t8 CREATE TABLE `t8` ( `g` datetime(6) DEFAULT CURRENT_TIMESTAMP(6) ) ENGINE=InnoDB DEFAULT CHARSET=latin1 SELECT * FROM t8; g 1970-04-11 20:13:57.657898 CREATE TABLE t9 SELECT h FROM t1; SHOW CREATE TABLE t9; Table Create Table t9 CREATE TABLE `t9` ( `h` datetime(6) DEFAULT NULL ON UPDATE CURRENT_TIMESTAMP(6) ) ENGINE=InnoDB DEFAULT CHARSET=latin1 SELECT * FROM t9; h NULL CREATE TABLE t10 SELECT i FROM t1; SHOW CREATE TABLE t10; Table Create Table t10 CREATE TABLE `t10` ( `i` datetime(6) DEFAULT NULL ) ENGINE=InnoDB DEFAULT CHARSET=latin1 SELECT * FROM t10; i NULL CREATE TABLE t11 SELECT j FROM t1; SHOW CREATE TABLE t11; Table Create Table t11 CREATE TABLE `t11` ( `j` datetime(6) DEFAULT '1986-09-27 03:00:00.098765' ) ENGINE=InnoDB DEFAULT CHARSET=latin1 SELECT * FROM t11; j 1986-09-27 03:00:00.098765 CREATE TABLE t12 ( k TIMESTAMP(6) NOT NULL DEFAULT CURRENT_TIMESTAMP(6) ON UPDATE CURRENT_TIMESTAMP(6), l TIMESTAMP(6) NOT NULL DEFAULT CURRENT_TIMESTAMP(6) ON UPDATE CURRENT_TIMESTAMP(6), m TIMESTAMP(6) NOT NULL DEFAULT CURRENT_TIMESTAMP(6), n TIMESTAMP(6) NOT NULL DEFAULT '0000-00-00 00:00:00' ON UPDATE CURRENT_TIMESTAMP(6), o TIMESTAMP(6) NOT NULL DEFAULT '1986-09-27 03:00:00.098765', p TIMESTAMP(6) NULL, q DATETIME(6) DEFAULT CURRENT_TIMESTAMP(6) ON UPDATE CURRENT_TIMESTAMP(6), r DATETIME(6) DEFAULT CURRENT_TIMESTAMP(6), s DATETIME(6) ON UPDATE CURRENT_TIMESTAMP(6), t DATETIME(6) NULL, u DATETIME(6) DEFAULT '1986-09-27 03:00:00.098765' ) SELECT * FROM t1; SHOW CREATE TABLE t12; Table Create Table t12 CREATE TABLE `t12` ( `k` timestamp(6) NOT NULL DEFAULT CURRENT_TIMESTAMP(6) ON UPDATE CURRENT_TIMESTAMP(6), `l` timestamp(6) NOT NULL DEFAULT CURRENT_TIMESTAMP(6) ON UPDATE CURRENT_TIMESTAMP(6), `m` timestamp(6) NOT NULL DEFAULT CURRENT_TIMESTAMP(6), `n` timestamp(6) NOT NULL DEFAULT '0000-00-00 00:00:00.000000' ON UPDATE CURRENT_TIMESTAMP(6), `o` timestamp(6) NOT NULL DEFAULT '1986-09-27 03:00:00.098765', `p` timestamp(6) NULL DEFAULT NULL, `q` datetime(6) DEFAULT CURRENT_TIMESTAMP(6) ON UPDATE CURRENT_TIMESTAMP(6), `r` datetime(6) DEFAULT CURRENT_TIMESTAMP(6), `s` datetime(6) DEFAULT NULL ON UPDATE CURRENT_TIMESTAMP(6), `t` datetime(6) DEFAULT NULL, `u` datetime(6) DEFAULT '1986-09-27 03:00:00.098765', `a` timestamp(6) NOT NULL DEFAULT CURRENT_TIMESTAMP(6) ON UPDATE CURRENT_TIMESTAMP(6), `b` timestamp(6) NOT NULL DEFAULT CURRENT_TIMESTAMP(6), `c` timestamp(6) NOT NULL DEFAULT '0000-00-00 00:00:00.000000' ON UPDATE CURRENT_TIMESTAMP(6), `d` timestamp(6) NOT NULL DEFAULT '1986-09-27 03:00:00.098765', `e` timestamp(6) NULL DEFAULT NULL, `f` datetime(6) DEFAULT CURRENT_TIMESTAMP(6) ON UPDATE CURRENT_TIMESTAMP(6), `g` datetime(6) DEFAULT CURRENT_TIMESTAMP(6), `h` datetime(6) DEFAULT NULL ON UPDATE CURRENT_TIMESTAMP(6), `i` datetime(6) DEFAULT NULL, `j` datetime(6) DEFAULT '1986-09-27 03:00:00.098765' ) ENGINE=InnoDB DEFAULT CHARSET=latin1 # No function default for non-column expressions: CREATE TABLE t13 SELECT COALESCE(a,a) FROM t1; SHOW CREATE TABLE t13; Table Create Table t13 CREATE TABLE `t13` ( `COALESCE(a,a)` timestamp(6) NOT NULL DEFAULT '0000-00-00 00:00:00.000000' ) ENGINE=InnoDB DEFAULT CHARSET=latin1 SELECT * FROM t13; COALESCE(a,a) 1970-04-11 20:13:57.657898 DROP TABLE t1, t2, t3, t4, t5, t6, t7, t8, t9, t10, t11, t12, t13; # 1970-04-11 20:13:57 UTC SET TIMESTAMP = 8712837.164953; CREATE TABLE t1 ( a DATETIME(6) DEFAULT CURRENT_TIMESTAMP(6) ON UPDATE CURRENT_TIMESTAMP(6), b DATETIME(6) DEFAULT CURRENT_TIMESTAMP(6), c DATETIME(6) ON UPDATE CURRENT_TIMESTAMP(6), d DATETIME(6) NULL, e DATETIME(6) DEFAULT '1986-09-27 03:00:00.098765' ); INSERT INTO t1 VALUES (); # 1971-01-31 20:13:57 UTC SET TIMESTAMP = 34200837.915736; CREATE TABLE t2 SELECT a FROM t1; SHOW CREATE TABLE t2; Table Create Table t2 CREATE TABLE `t2` ( `a` datetime(6) DEFAULT CURRENT_TIMESTAMP(6) ON UPDATE CURRENT_TIMESTAMP(6) ) ENGINE=InnoDB DEFAULT CHARSET=latin1 SELECT * FROM t2; a 1970-04-11 20:13:57.164953 CREATE TABLE t3 SELECT b FROM t1; SHOW CREATE TABLE t3; Table Create Table t3 CREATE TABLE `t3` ( `b` datetime(6) DEFAULT CURRENT_TIMESTAMP(6) ) ENGINE=InnoDB DEFAULT CHARSET=latin1 SELECT * FROM t3; b 1970-04-11 20:13:57.164953 CREATE TABLE t4 SELECT c FROM t1; SHOW CREATE TABLE t4; Table Create Table t4 CREATE TABLE `t4` ( `c` datetime(6) DEFAULT NULL ON UPDATE CURRENT_TIMESTAMP(6) ) ENGINE=InnoDB DEFAULT CHARSET=latin1 SELECT * FROM t4; c NULL CREATE TABLE t5 SELECT d FROM t1; SHOW CREATE TABLE t5; Table Create Table t5 CREATE TABLE `t5` ( `d` datetime(6) DEFAULT NULL ) ENGINE=InnoDB DEFAULT CHARSET=latin1 SELECT * FROM t5; d NULL CREATE TABLE t6 SELECT e FROM t1; SHOW CREATE TABLE t6; Table Create Table t6 CREATE TABLE `t6` ( `e` datetime(6) DEFAULT '1986-09-27 03:00:00.098765' ) ENGINE=InnoDB DEFAULT CHARSET=latin1 SELECT * FROM t6; e 1986-09-27 03:00:00.098765 # Test CREATE TABLE LIKE CREATE TABLE t7 LIKE t1; SHOW CREATE TABLE t7; Table Create Table t7 CREATE TABLE `t7` ( `a` datetime(6) DEFAULT CURRENT_TIMESTAMP(6) ON UPDATE CURRENT_TIMESTAMP(6), `b` datetime(6) DEFAULT CURRENT_TIMESTAMP(6), `c` datetime(6) DEFAULT NULL ON UPDATE CURRENT_TIMESTAMP(6), `d` datetime(6) DEFAULT NULL, `e` datetime(6) DEFAULT '1986-09-27 03:00:00.098765' ) ENGINE=InnoDB DEFAULT CHARSET=latin1 DROP TABLE t1, t2, t3, t4, t5, t6, t7; # # Test of a CREATE TABLE SELECT that also declared columns. In this case # the function default for them should be activated during the execution of the # CREATE TABLE statement. # # 1970-01-01 03:16:40 SET TIMESTAMP = 1000.987654; CREATE TABLE t1 ( a INT ); INSERT INTO t1 VALUES ( 1 ), ( 2 ); CREATE TABLE t2 ( b TIMESTAMP(6) NOT NULL DEFAULT CURRENT_TIMESTAMP(6) ON UPDATE CURRENT_TIMESTAMP(6)) SELECT a FROM t1; SHOW CREATE TABLE t2; Table Create Table t2 CREATE TABLE `t2` ( `b` timestamp(6) NOT NULL DEFAULT CURRENT_TIMESTAMP(6) ON UPDATE CURRENT_TIMESTAMP(6), `a` int(11) DEFAULT NULL ) ENGINE=InnoDB DEFAULT CHARSET=latin1 SET TIMESTAMP = 2000.876543; INSERT INTO t2( a ) VALUES ( 3 ); SELECT * FROM t2; b a 1970-01-01 00:16:40.987654 1 1970-01-01 00:16:40.987654 2 1970-01-01 00:33:20.876543 3 DROP TABLE t1, t2; # # Test of updating a view. # CREATE TABLE t1 ( a INT, b DATETIME(6) DEFAULT CURRENT_TIMESTAMP(6) ); CREATE TABLE t2 ( a INT, b DATETIME(6) ON UPDATE CURRENT_TIMESTAMP(6) ); CREATE VIEW v1 AS SELECT * FROM t1; SHOW CREATE VIEW v1; View Create View character_set_client collation_connection v1 CREATE ALGORITHM=UNDEFINED DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `v1` AS select `t1`.`a` AS `a`,`t1`.`b` AS `b` from `t1` latin1 latin1_swedish_ci CREATE VIEW v2 AS SELECT * FROM t2; SHOW CREATE VIEW v2; View Create View character_set_client collation_connection v2 CREATE ALGORITHM=UNDEFINED DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `v2` AS select `t2`.`a` AS `a`,`t2`.`b` AS `b` from `t2` latin1 latin1_swedish_ci # 1971-01-31 21:13:57 UTC SET TIMESTAMP = 34200837.348564; INSERT INTO v1 ( a ) VALUES ( 1 ); INSERT INTO v2 ( a ) VALUES ( 1 ); SELECT * FROM t1; a b 1 1971-01-31 20:13:57.348564 SELECT * FROM v1; a b 1 1971-01-31 20:13:57.348564 SELECT * FROM t2; a b 1 NULL SELECT * FROM v2; a b 1 NULL # 1970-04-11 20:13:57 UTC SET TIMESTAMP = 8712837.567332; UPDATE v1 SET a = 2; UPDATE v2 SET a = 2; SELECT * FROM t1; a b 2 1971-01-31 20:13:57.348564 SELECT * FROM v1; a b 2 1971-01-31 20:13:57.348564 SELECT * FROM t2; a b 2 1970-04-11 20:13:57.567332 SELECT * FROM v2; a b 2 1970-04-11 20:13:57.567332 DROP VIEW v1, v2; DROP TABLE t1, t2; # # Test with stored procedures. # CREATE TABLE t1 ( a INT, b TIMESTAMP(6) NOT NULL DEFAULT CURRENT_TIMESTAMP(6) ON UPDATE CURRENT_TIMESTAMP(6), c TIMESTAMP(6) NOT NULL DEFAULT CURRENT_TIMESTAMP(6), d TIMESTAMP(6) NOT NULL DEFAULT '0000-00-00 00:00:00' ON UPDATE CURRENT_TIMESTAMP(6), e TIMESTAMP(6) NULL, f DATETIME(6) DEFAULT CURRENT_TIMESTAMP(6), g DATETIME(6) ON UPDATE CURRENT_TIMESTAMP(6) ); CREATE PROCEDURE p1() INSERT INTO test.t1( a ) VALUES ( 1 ); CREATE PROCEDURE p2() UPDATE t1 SET a = 2 WHERE a = 1; # 1971-01-31 20:13:57 UTC SET TIMESTAMP = 34200837.876544; CALL p1(); SELECT * FROM t1; a b c d e f g 1 1971-01-31 20:13:57.876544 1971-01-31 20:13:57.876544 0000-00-00 00:00:00.000000 NULL 1971-01-31 20:13:57.876544 NULL # 1970-04-11 21:13:57 UTC SET TIMESTAMP = 8712837.143546; CALL p2(); SELECT * FROM t1; a b c d e f g 2 1970-04-11 20:13:57.143546 1971-01-31 20:13:57.876544 1970-04-11 20:13:57.143546 NULL 1971-01-31 20:13:57.876544 1970-04-11 20:13:57.143546 DROP PROCEDURE p1; DROP PROCEDURE p2; DROP TABLE t1; # # Test with triggers. # CREATE TABLE t1 ( a INT, b TIMESTAMP(6) NOT NULL DEFAULT CURRENT_TIMESTAMP(6) ON UPDATE CURRENT_TIMESTAMP(6), c TIMESTAMP(6) NOT NULL DEFAULT CURRENT_TIMESTAMP(6), d TIMESTAMP(6) NOT NULL DEFAULT '0000-00-00 00:00:00' ON UPDATE CURRENT_TIMESTAMP(6), e TIMESTAMP(6) NULL, f DATETIME(6), g DATETIME(6) DEFAULT CURRENT_TIMESTAMP(6), h DATETIME(6) ON UPDATE CURRENT_TIMESTAMP(6), i DATETIME(6) DEFAULT CURRENT_TIMESTAMP(6) ON UPDATE CURRENT_TIMESTAMP(6) ); CREATE TABLE t2 ( a INT ); CREATE TRIGGER t2_trg BEFORE INSERT ON t2 FOR EACH ROW BEGIN INSERT INTO t1 ( a ) VALUES ( 1 ); END| # 1971-01-31 21:13:57 UTC SET TIMESTAMP = 34200837.978675; INSERT INTO t2 ( a ) VALUES ( 1 ); SELECT * FROM t1; a b c d e f g h i 1 1971-01-31 20:13:57.978675 1971-01-31 20:13:57.978675 0000-00-00 00:00:00.000000 NULL NULL 1971-01-31 20:13:57.978675 NULL 1971-01-31 20:13:57.978675 DROP TRIGGER t2_trg; CREATE TRIGGER t2_trg BEFORE INSERT ON t2 FOR EACH ROW BEGIN UPDATE t1 SET a = 2; END| # 1970-04-11 21:13:57 UTC SET TIMESTAMP = 8712837.456789; INSERT INTO t2 ( a ) VALUES ( 1 ); SELECT * FROM t1; a b c d e f g h i 2 1970-04-11 20:13:57.456789 1971-01-31 20:13:57.978675 1970-04-11 20:13:57.456789 NULL NULL 1971-01-31 20:13:57.978675 1970-04-11 20:13:57.456789 1970-04-11 20:13:57.456789 DROP TABLE t1, t2; # # Test where the assignment target is not a column. # CREATE TABLE t1 ( a TIMESTAMP(6) NOT NULL DEFAULT CURRENT_TIMESTAMP(6) ON UPDATE CURRENT_TIMESTAMP(6) ); CREATE TABLE t2 ( a TIMESTAMP(6) NOT NULL DEFAULT CURRENT_TIMESTAMP(6) ON UPDATE CURRENT_TIMESTAMP(6) ); CREATE TABLE t3 ( a TIMESTAMP(6) NOT NULL DEFAULT '0000-00-00 00:00:00' ON UPDATE CURRENT_TIMESTAMP(6) ); CREATE TABLE t4 ( a TIMESTAMP(6) NOT NULL DEFAULT '0000-00-00 00:00:00' ON UPDATE CURRENT_TIMESTAMP(6) ); CREATE VIEW v1 AS SELECT a COLLATE latin1_german1_ci AS b FROM t1; CREATE VIEW v2 ( b ) AS SELECT a COLLATE latin1_german1_ci FROM t2; CREATE VIEW v3 AS SELECT a COLLATE latin1_german1_ci AS b FROM t3; CREATE VIEW v4 ( b ) AS SELECT a COLLATE latin1_german1_ci FROM t4; INSERT INTO v1 ( b ) VALUES ( '2007-10-24 00:03:34.010203' ); SELECT a FROM t1; a 2007-10-24 00:03:34.010203 INSERT INTO v2 ( b ) VALUES ( '2007-10-24 00:03:34.010203' ); SELECT a FROM t2; a 2007-10-24 00:03:34.010203 INSERT INTO t3 VALUES (); UPDATE v3 SET b = '2007-10-24 00:03:34.010203'; SELECT a FROM t3; a 2007-10-24 00:03:34.010203 INSERT INTO t4 VALUES (); UPDATE v4 SET b = '2007-10-24 00:03:34.010203'; SELECT a FROM t4; a 2007-10-24 00:03:34.010203 DROP VIEW v1, v2, v3, v4; DROP TABLE t1, t2, t3, t4; # # Test of LOAD DATA/XML INFILE # This tests behavior of function defaults for TIMESTAMP and DATETIME # columns. during LOAD ... INFILE. # As can be seen here, a TIMESTAMP column with only ON UPDATE # CURRENT_TIMESTAMP will still have CURRENT_TIMESTAMP inserted on LOAD # ... INFILE if the value is missing. For DATETIME columns a NULL value # is inserted instead. # CREATE TABLE t1 ( a INT, b TIMESTAMP(6) NOT NULL DEFAULT CURRENT_TIMESTAMP(6) ON UPDATE CURRENT_TIMESTAMP(6), c TIMESTAMP(6) NOT NULL DEFAULT CURRENT_TIMESTAMP(6), d TIMESTAMP(6) NOT NULL DEFAULT '0000-00-00 00:00:00' ON UPDATE CURRENT_TIMESTAMP(6), e TIMESTAMP(6) NOT NULL DEFAULT CURRENT_TIMESTAMP(6) ON UPDATE CURRENT_TIMESTAMP(6), f DATETIME(6), g DATETIME(6) DEFAULT CURRENT_TIMESTAMP(6), h DATETIME(6) ON UPDATE CURRENT_TIMESTAMP(6), i DATETIME(6) DEFAULT CURRENT_TIMESTAMP(6) ON UPDATE CURRENT_TIMESTAMP(6) ); CREATE TABLE t2 ( a TIMESTAMP(6) NOT NULL DEFAULT CURRENT_TIMESTAMP(6) ON UPDATE CURRENT_TIMESTAMP(6), b TIMESTAMP(6) NOT NULL DEFAULT CURRENT_TIMESTAMP(6), c TIMESTAMP(6) NOT NULL DEFAULT '0000-00-00 00:00:00' ON UPDATE CURRENT_TIMESTAMP(6), d TIMESTAMP(6) NOT NULL DEFAULT CURRENT_TIMESTAMP(6) ON UPDATE CURRENT_TIMESTAMP(6), e DATETIME(6) NOT NULL, f DATETIME(6) NOT NULL DEFAULT '1977-01-02 12:13:14', g DATETIME(6) DEFAULT CURRENT_TIMESTAMP(6) NOT NULL, h DATETIME(6) ON UPDATE CURRENT_TIMESTAMP(6) NOT NULL, i DATETIME(6) DEFAULT CURRENT_TIMESTAMP(6) ON UPDATE CURRENT_TIMESTAMP(6) NOT NULL ); SELECT 1 INTO OUTFILE 't3.dat' FROM dual; SELECT NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL INTO OUTFILE 't4.dat' FROM dual; SELECT 1, 2 INTO OUTFILE 't5.dat' FROM dual; # Mon Aug 1 15:11:19 2011 UTC SET TIMESTAMP = 1312211479.918273; LOAD DATA INFILE 't3.dat' INTO TABLE t1; Warnings: Warning 1261 Row 1 doesn't contain data for all columns Warning 1261 Row 1 doesn't contain data for all columns Warning 1261 Row 1 doesn't contain data for all columns Warning 1261 Row 1 doesn't contain data for all columns Warning 1261 Row 1 doesn't contain data for all columns Warning 1261 Row 1 doesn't contain data for all columns Warning 1261 Row 1 doesn't contain data for all columns Warning 1261 Row 1 doesn't contain data for all columns SELECT * FROM t1; a 1 b 2011-08-01 15:11:19.918273 c 2011-08-01 15:11:19.918273 d 2011-08-01 15:11:19.918273 e 2011-08-01 15:11:19.918273 f NULL g NULL h NULL i NULL LOAD DATA INFILE 't4.dat' INTO TABLE t2; Warnings: Warning 1263 Column set to default value; NULL supplied to NOT NULL column 'e' at row 1 Warning 1263 Column set to default value; NULL supplied to NOT NULL column 'f' at row 1 Warning 1263 Column set to default value; NULL supplied to NOT NULL column 'g' at row 1 Warning 1263 Column set to default value; NULL supplied to NOT NULL column 'h' at row 1 Warning 1263 Column set to default value; NULL supplied to NOT NULL column 'i' at row 1 SELECT a FROM t2; a 2011-08-01 15:11:19.918273 SELECT b FROM t2; b 2011-08-01 15:11:19.918273 SELECT c FROM t2; c 2011-08-01 15:11:19.918273 SELECT d FROM t2; d 2011-08-01 15:11:19.918273 # As shown here, supplying a NULL value to a non-nullable # column with no default value results in the zero date. SELECT e FROM t2; e 0000-00-00 00:00:00.000000 # As shown here, supplying a NULL value to a non-nullable column with a # default value results in the zero date. SELECT f FROM t2; f 0000-00-00 00:00:00.000000 # As shown here, supplying a NULL value to a non-nullable column with a # default function results in the zero date. SELECT g FROM t2; g 0000-00-00 00:00:00.000000 # As shown here, supplying a NULL value to a non-nullable DATETIME ON # UPDATE CURRENT_TIMESTAMP column with no default value results in the # zero date. SELECT h FROM t2; h 0000-00-00 00:00:00.000000 SELECT i FROM t2; i 0000-00-00 00:00:00.000000 DELETE FROM t1; DELETE FROM t2; # Read t3 file into t1 # The syntax will cause a different code path to be taken # (read_fixed_length()) than under the LOAD ... INTO TABLE t1 command # above. The code in this path is copy-pasted code from the path taken # under the syntax used in the previous LOAD command. LOAD DATA INFILE 't3.dat' INTO TABLE t1 FIELDS TERMINATED BY '' ENCLOSED BY ''; Warnings: Warning 1261 Row 1 doesn't contain data for all columns Warning 1261 Row 1 doesn't contain data for all columns Warning 1261 Row 1 doesn't contain data for all columns Warning 1261 Row 1 doesn't contain data for all columns Warning 1261 Row 1 doesn't contain data for all columns Warning 1261 Row 1 doesn't contain data for all columns Warning 1261 Row 1 doesn't contain data for all columns Warning 1261 Row 1 doesn't contain data for all columns SELECT b FROM t1; b 2011-08-01 15:11:19.918273 SELECT c FROM t1; c 2011-08-01 15:11:19.918273 SELECT d FROM t1; d 2011-08-01 15:11:19.918273 SELECT e FROM t1; e 2011-08-01 15:11:19.918273 # Yes, a missing field cannot be NULL using this syntax, so it will # zero date instead. Says a comment in read_fixed_length() : "No fields # specified in fields_vars list can be NULL in this format." # It appears to be by design. This is inconsistent with LOAD DATA INFILE # syntax in previous test. SELECT f FROM t1; f 0000-00-00 00:00:00.000000 SELECT g FROM t1; g 0000-00-00 00:00:00.000000 # See comment above "SELECT f FROM f1". SELECT h FROM t1; h 0000-00-00 00:00:00.000000 SELECT i FROM t1; i 0000-00-00 00:00:00.000000 DELETE FROM t1; LOAD DATA INFILE 't5.dat' INTO TABLE t1 ( a, @dummy ); SELECT * FROM t1; a b c d e f g h i 1 2011-08-01 15:11:19.918273 2011-08-01 15:11:19.918273 0000-00-00 00:00:00.000000 2011-08-01 15:11:19.918273 NULL 2011-08-01 15:11:19.918273 NULL 2011-08-01 15:11:19.918273 SELECT @dummy; @dummy 2 DELETE FROM t1; LOAD DATA INFILE 't3.dat' INTO TABLE t1 ( a ) SET c = '2005-06-06 08:09:10'; SELECT * FROM t1; a b c d e f g h i 1 2011-08-01 15:11:19.918273 2005-06-06 08:09:10.000000 0000-00-00 00:00:00.000000 2011-08-01 15:11:19.918273 NULL 2011-08-01 15:11:19.918273 NULL 2011-08-01 15:11:19.918273 DELETE FROM t1; LOAD DATA INFILE 't3.dat' INTO TABLE t1 ( a ) SET g = '2005-06-06 08:09:10'; SELECT * FROM t1; a b c d e f g h i 1 2011-08-01 15:11:19.918273 2011-08-01 15:11:19.918273 0000-00-00 00:00:00.000000 2011-08-01 15:11:19.918273 NULL 2005-06-06 08:09:10.000000 NULL 2011-08-01 15:11:19.918273 DELETE FROM t1; # Load a static XML file LOAD XML INFILE '../../std_data/onerow.xml' INTO TABLE t1 ROWS IDENTIFIED BY '<row>'; Missing tags are treated as NULL SELECT * FROM t1; a 1 b 2011-08-01 15:11:19.918273 c 2011-08-01 15:11:19.918273 d 2011-08-01 15:11:19.918273 e 2011-08-01 15:11:19.918273 f NULL g NULL h NULL i NULL DROP TABLE t1, t2; # # Similar LOAD DATA tests in another form # # All of this test portion has been run on a pre-WL5874 trunk # (except that like_b and like_c didn't exist) and all result # differences are a bug. # Regarding like_b its definition is the same as b's except # that the constant default is replaced with a function # default. Our expectation is that like_b would behave # like b: if b is set to NULL, or set to 0000-00-00, or set to # its default, then the same should apply to like_b. Same for # like_c vs c. # Mon Aug 1 15:11:19 2011 UTC SET TIMESTAMP = 1312211479.089786; SELECT 1 INTO OUTFILE "file1.dat" FROM dual; SELECT NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL INTO OUTFILE "file2.dat" FROM dual; # Too short row CREATE TABLE t1 ( dummy INT, a DATETIME(6) NULL DEFAULT NULL, b DATETIME(6) NULL DEFAULT "2011-11-18", like_b DATETIME(6) NULL DEFAULT CURRENT_TIMESTAMP(6), c DATETIME(6) NOT NULL DEFAULT "2011-11-18", like_c DATETIME(6) NOT NULL DEFAULT CURRENT_TIMESTAMP(6), d TIMESTAMP(6) NULL DEFAULT "2011-05-03" ON UPDATE CURRENT_TIMESTAMP(6), e TIMESTAMP(6) NOT NULL DEFAULT "2011-05-03", f TIMESTAMP(6) NOT NULL DEFAULT CURRENT_TIMESTAMP(6), g TIMESTAMP(6) NULL DEFAULT NULL, h INT NULL, i INT NOT NULL DEFAULT 42 ); # There is no promotion SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `dummy` int(11) DEFAULT NULL, `a` datetime(6) DEFAULT NULL, `b` datetime(6) DEFAULT '2011-11-18 00:00:00.000000', `like_b` datetime(6) DEFAULT CURRENT_TIMESTAMP(6), `c` datetime(6) NOT NULL DEFAULT '2011-11-18 00:00:00.000000', `like_c` datetime(6) NOT NULL DEFAULT CURRENT_TIMESTAMP(6), `d` timestamp(6) NULL DEFAULT '2011-05-03 00:00:00.000000' ON UPDATE CURRENT_TIMESTAMP(6), `e` timestamp(6) NOT NULL DEFAULT '2011-05-03 00:00:00.000000', `f` timestamp(6) NOT NULL DEFAULT CURRENT_TIMESTAMP(6), `g` timestamp(6) NULL DEFAULT NULL, `h` int(11) DEFAULT NULL, `i` int(11) NOT NULL DEFAULT '42' ) ENGINE=InnoDB DEFAULT CHARSET=latin1 LOAD DATA INFILE "file1.dat" INTO table t1; Warnings: Warning 1261 Row 1 doesn't contain data for all columns Warning 1261 Row 1 doesn't contain data for all columns Warning 1261 Row 1 doesn't contain data for all columns Warning 1261 Row 1 doesn't contain data for all columns Warning 1261 Row 1 doesn't contain data for all columns Warning 1261 Row 1 doesn't contain data for all columns Warning 1261 Row 1 doesn't contain data for all columns Warning 1261 Row 1 doesn't contain data for all columns Warning 1261 Row 1 doesn't contain data for all columns Warning 1261 Row 1 doesn't contain data for all columns Warning 1261 Row 1 doesn't contain data for all columns # It is strange that "like_b" gets NULL when "b" gets 0. But # this is consistent with how "a" gets NULL when "b" gets 0, # with how "g" gets NULL when "d" gets 0, and with how "h" gets # NULL when "i" gets 0. Looks like "DEFAULT # <non-NULL-constant>" is changed to 0, whereas DEFAULT NULL # and DEFAULT NOW are changed to NULL. SELECT * FROM t1; dummy 1 a NULL b 0000-00-00 00:00:00.000000 like_b NULL c 0000-00-00 00:00:00.000000 like_c 0000-00-00 00:00:00.000000 d 0000-00-00 00:00:00.000000 e 2011-08-01 15:11:19.089786 f 2011-08-01 15:11:19.089786 g NULL h NULL i 0 delete from t1; alter table t1 modify f TIMESTAMP NULL default CURRENT_TIMESTAMP; # There is no promotion SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `dummy` int(11) DEFAULT NULL, `a` datetime(6) DEFAULT NULL, `b` datetime(6) DEFAULT '2011-11-18 00:00:00.000000', `like_b` datetime(6) DEFAULT CURRENT_TIMESTAMP(6), `c` datetime(6) NOT NULL DEFAULT '2011-11-18 00:00:00.000000', `like_c` datetime(6) NOT NULL DEFAULT CURRENT_TIMESTAMP(6), `d` timestamp(6) NULL DEFAULT '2011-05-03 00:00:00.000000' ON UPDATE CURRENT_TIMESTAMP(6), `e` timestamp(6) NOT NULL DEFAULT '2011-05-03 00:00:00.000000', `f` timestamp NULL DEFAULT CURRENT_TIMESTAMP, `g` timestamp(6) NULL DEFAULT NULL, `h` int(11) DEFAULT NULL, `i` int(11) NOT NULL DEFAULT '42' ) ENGINE=InnoDB DEFAULT CHARSET=latin1 LOAD DATA INFILE "file1.dat" INTO table t1; Warnings: Warning 1261 Row 1 doesn't contain data for all columns Warning 1261 Row 1 doesn't contain data for all columns Warning 1261 Row 1 doesn't contain data for all columns Warning 1261 Row 1 doesn't contain data for all columns Warning 1261 Row 1 doesn't contain data for all columns Warning 1261 Row 1 doesn't contain data for all columns Warning 1261 Row 1 doesn't contain data for all columns Warning 1261 Row 1 doesn't contain data for all columns Warning 1261 Row 1 doesn't contain data for all columns Warning 1261 Row 1 doesn't contain data for all columns Warning 1261 Row 1 doesn't contain data for all columns SELECT * FROM t1; dummy 1 a NULL b 0000-00-00 00:00:00.000000 like_b NULL c 0000-00-00 00:00:00.000000 like_c 0000-00-00 00:00:00.000000 d 0000-00-00 00:00:00.000000 e 2011-08-01 15:11:19.089786 f NULL g NULL h NULL i 0 delete from t1; drop table t1; # Conclusion derived from trunk's results: # DATETIME DEFAULT <non-NULL-constant> (b,c) gets 0000-00-00, # DATETIME DEFAULT NULL (a) gets NULL, # TIMESTAMP NULL DEFAULT <non-NULL-constant> (d) gets 0000-00-00, # TIMESTAMP NULL DEFAULT NULL (g) gets NULL, # TIMESTAMP NULL DEFAULT NOW (f after ALTER) gets NULL, # TIMESTAMP NOT NULL (f before ALTER, e) gets NOW. ### Loading NULL ### CREATE TABLE t1 ( dummy INT, a DATETIME(6) NULL DEFAULT NULL, b DATETIME(6) NULL DEFAULT "2011-11-18", like_b DATETIME(6) NULL DEFAULT CURRENT_TIMESTAMP(6), c DATETIME(6) NOT NULL DEFAULT "2011-11-18", like_c DATETIME(6) NOT NULL DEFAULT CURRENT_TIMESTAMP(6), d TIMESTAMP(6) NULL DEFAULT "2011-05-03" ON UPDATE CURRENT_TIMESTAMP(6), e TIMESTAMP(6) NOT NULL DEFAULT "2011-05-03", f TIMESTAMP(6) NOT NULL DEFAULT CURRENT_TIMESTAMP(6), g TIMESTAMP(6) NULL DEFAULT NULL, h INT NULL, i INT NOT NULL DEFAULT 42 ); # There is no promotion SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `dummy` int(11) DEFAULT NULL, `a` datetime(6) DEFAULT NULL, `b` datetime(6) DEFAULT '2011-11-18 00:00:00.000000', `like_b` datetime(6) DEFAULT CURRENT_TIMESTAMP(6), `c` datetime(6) NOT NULL DEFAULT '2011-11-18 00:00:00.000000', `like_c` datetime(6) NOT NULL DEFAULT CURRENT_TIMESTAMP(6), `d` timestamp(6) NULL DEFAULT '2011-05-03 00:00:00.000000' ON UPDATE CURRENT_TIMESTAMP(6), `e` timestamp(6) NOT NULL DEFAULT '2011-05-03 00:00:00.000000', `f` timestamp(6) NOT NULL DEFAULT CURRENT_TIMESTAMP(6), `g` timestamp(6) NULL DEFAULT NULL, `h` int(11) DEFAULT NULL, `i` int(11) NOT NULL DEFAULT '42' ) ENGINE=InnoDB DEFAULT CHARSET=latin1 LOAD DATA INFILE "file2.dat" INTO table t1; Warnings: Warning 1263 Column set to default value; NULL supplied to NOT NULL column 'c' at row 1 Warning 1263 Column set to default value; NULL supplied to NOT NULL column 'like_c' at row 1 Warning 1263 Column set to default value; NULL supplied to NOT NULL column 'i' at row 1 SELECT * FROM t1; dummy NULL a NULL b NULL like_b NULL c 0000-00-00 00:00:00.000000 like_c 0000-00-00 00:00:00.000000 d NULL e 2011-08-01 15:11:19.089786 f 2011-08-01 15:11:19.089786 g NULL h NULL i 0 delete from t1; alter table t1 modify f TIMESTAMP NULL default CURRENT_TIMESTAMP; # There is no promotion SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `dummy` int(11) DEFAULT NULL, `a` datetime(6) DEFAULT NULL, `b` datetime(6) DEFAULT '2011-11-18 00:00:00.000000', `like_b` datetime(6) DEFAULT CURRENT_TIMESTAMP(6), `c` datetime(6) NOT NULL DEFAULT '2011-11-18 00:00:00.000000', `like_c` datetime(6) NOT NULL DEFAULT CURRENT_TIMESTAMP(6), `d` timestamp(6) NULL DEFAULT '2011-05-03 00:00:00.000000' ON UPDATE CURRENT_TIMESTAMP(6), `e` timestamp(6) NOT NULL DEFAULT '2011-05-03 00:00:00.000000', `f` timestamp NULL DEFAULT CURRENT_TIMESTAMP, `g` timestamp(6) NULL DEFAULT NULL, `h` int(11) DEFAULT NULL, `i` int(11) NOT NULL DEFAULT '42' ) ENGINE=InnoDB DEFAULT CHARSET=latin1 LOAD DATA INFILE "file2.dat" INTO table t1; Warnings: Warning 1263 Column set to default value; NULL supplied to NOT NULL column 'c' at row 1 Warning 1263 Column set to default value; NULL supplied to NOT NULL column 'like_c' at row 1 Warning 1263 Column set to default value; NULL supplied to NOT NULL column 'i' at row 1 SELECT * FROM t1; dummy NULL a NULL b NULL like_b NULL c 0000-00-00 00:00:00.000000 like_c 0000-00-00 00:00:00.000000 d NULL e 2011-08-01 15:11:19.089786 f NULL g NULL h NULL i 0 delete from t1; # Conclusion derived from trunk's results: # DATETIME NULL (a,b) gets NULL, # DATETIME NOT NULL (c) gets 0000-00-00, # TIMESTAMP NULL (d,f,g) gets NULL, # TIMESTAMP NOT NULL (e) gets NOW. drop table t1; # # Test of updatable views with check options. The option can be violated # using ON UPDATE updates which is very strange as this offers a loophole # in this integrity check. # SET TIME_ZONE = "+03:00"; # 1970-01-01 03:16:40 SET TIMESTAMP = 1000.123456; CREATE TABLE t1 ( a INT, b TIMESTAMP(6) NOT NULL DEFAULT CURRENT_TIMESTAMP(6) ON UPDATE CURRENT_TIMESTAMP(6)); SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `a` int(11) DEFAULT NULL, `b` timestamp(6) NOT NULL DEFAULT CURRENT_TIMESTAMP(6) ON UPDATE CURRENT_TIMESTAMP(6) ) ENGINE=InnoDB DEFAULT CHARSET=latin1 INSERT INTO t1 ( a ) VALUES ( 1 ); SELECT * FROM t1; a b 1 1970-01-01 03:16:40.123456 CREATE VIEW v1 AS SELECT * FROM t1 WHERE b <= '1970-01-01 03:16:40.123456' WITH CHECK OPTION; SELECT * FROM v1; a b 1 1970-01-01 03:16:40.123456 # 1970-01-01 03:33:20 SET TIMESTAMP = 2000.000234; Logically, there should be an ER_VIEW_CHECK_FAILED here. UPDATE v1 SET a = 2; SELECT * FROM t1; a b 2 1970-01-01 03:33:20.000234 DROP VIEW v1; DROP TABLE t1; CREATE TABLE t1 ( a TIMESTAMP(6) NOT NULL DEFAULT '1973-08-14 09:11:22.089786' ON UPDATE CURRENT_TIMESTAMP(6), c INT KEY ); # 1973-08-14 09:11:22 UTC SET TIMESTAMP = 114167482.534231; INSERT INTO t1 ( c ) VALUES ( 1 ); CREATE VIEW v1 AS SELECT * FROM t1 WHERE a >= '1973-08-14 09:11:22' WITH LOCAL CHECK OPTION; SELECT * FROM v1; a c 1973-08-14 09:11:22.089786 1 SET TIMESTAMP = 1.126789; Logically, there should be an ER_VIEW_CHECK_FAILED here. INSERT INTO v1 ( c ) VALUES ( 1 ) ON DUPLICATE KEY UPDATE c = 2; SELECT * FROM v1; a c DROP VIEW v1; DROP TABLE t1; # # Bug 13095459 - MULTI-TABLE UPDATE MODIFIES A ROW TWICE # CREATE TABLE t1 ( a INT, b INT, ts TIMESTAMP(6) NOT NULL DEFAULT CURRENT_TIMESTAMP(6) ON UPDATE CURRENT_TIMESTAMP(6), PRIMARY KEY ( a, ts ) ); INSERT INTO t1( a, b, ts ) VALUES ( 1, 0, '2000-09-28 17:44:34' ); CREATE TABLE t2 ( a INT ); INSERT INTO t2 VALUES ( 1 ); UPDATE t1 STRAIGHT_JOIN t2 SET t1.b = t1.b + 1 WHERE t1.a = 1 AND t1.ts >= '2000-09-28 00:00:00'; SELECT b FROM t1; b 1 DROP TABLE t1, t2; # # Bug#11745578: 17392: ALTER TABLE ADD COLUMN TIMESTAMP DEFAULT # CURRENT_TIMESTAMP INSERTS ZERO # SET timestamp = 1000; CREATE TABLE t1 ( b INT ); INSERT INTO t1 VALUES (1),(2); ALTER TABLE t1 ADD COLUMN a6 DATETIME(6) DEFAULT NOW(6) ON UPDATE NOW(6) FIRST; ALTER TABLE t1 ADD COLUMN a5 DATETIME(6) DEFAULT NOW(6) FIRST; ALTER TABLE t1 ADD COLUMN a4 DATETIME(6) ON UPDATE NOW(6) FIRST; ALTER TABLE t1 ADD COLUMN a3 TIMESTAMP(6) NOT NULL DEFAULT NOW(6) ON UPDATE NOW(6) FIRST; ALTER TABLE t1 ADD COLUMN a2 TIMESTAMP(6) NOT NULL DEFAULT NOW(6) FIRST; ALTER TABLE t1 ADD COLUMN a1 TIMESTAMP(6) NOT NULL DEFAULT '0000-00-00 00:00:00' ON UPDATE NOW(6) FIRST; ALTER TABLE t1 ADD COLUMN c1 TIMESTAMP(6) NOT NULL DEFAULT '0000-00-00 00:00:00' ON UPDATE NOW(6) AFTER b; ALTER TABLE t1 ADD COLUMN c2 TIMESTAMP(6) NOT NULL DEFAULT NOW(6) AFTER c1; ALTER TABLE t1 ADD COLUMN c3 TIMESTAMP(6) NOT NULL DEFAULT NOW(6) ON UPDATE NOW(6) AFTER c2; ALTER TABLE t1 ADD COLUMN c4 DATETIME(6) ON UPDATE NOW(6) AFTER c3; ALTER TABLE t1 ADD COLUMN c5 DATETIME(6) DEFAULT NOW(6) AFTER c4; ALTER TABLE t1 ADD COLUMN c6 DATETIME(6) DEFAULT NOW(6) ON UPDATE NOW(6) AFTER c5; SELECT * FROM t1; a1 a2 a3 a4 a5 a6 b c1 c2 c3 c4 c5 c6 0000-00-00 00:00:00.000000 1970-01-01 03:16:40.000000 1970-01-01 03:16:40.000000 NULL 1970-01-01 03:16:40.000000 1970-01-01 03:16:40.000000 1 0000-00-00 00:00:00.000000 1970-01-01 03:16:40.000000 1970-01-01 03:16:40.000000 NULL 1970-01-01 03:16:40.000000 1970-01-01 03:16:40.000000 0000-00-00 00:00:00.000000 1970-01-01 03:16:40.000000 1970-01-01 03:16:40.000000 NULL 1970-01-01 03:16:40.000000 1970-01-01 03:16:40.000000 2 0000-00-00 00:00:00.000000 1970-01-01 03:16:40.000000 1970-01-01 03:16:40.000000 NULL 1970-01-01 03:16:40.000000 1970-01-01 03:16:40.000000 DROP TABLE t1; CREATE TABLE t1 ( a TIMESTAMP(6) NOT NULL DEFAULT NOW(6) ON UPDATE CURRENT_TIMESTAMP(6), b DATETIME(6) DEFAULT NOW(6) ); INSERT INTO t1 VALUES (); SET timestamp = 1000000000; ALTER TABLE t1 MODIFY COLUMN a TIMESTAMP(3) DEFAULT CURRENT_TIMESTAMP(3); ALTER TABLE t1 MODIFY COLUMN b DATETIME(3) DEFAULT CURRENT_TIMESTAMP(3); SELECT * FROM t1; a b 1970-01-01 03:16:40.000 1970-01-01 03:16:40.000 DROP TABLE t1; CREATE TABLE t1 ( a TIMESTAMP(6) NOT NULL DEFAULT '1999-12-01 11:22:33' ON UPDATE CURRENT_TIMESTAMP(6), b DATETIME(6) DEFAULT '1999-12-01 11:22:33' ); INSERT INTO t1 VALUES (); ALTER TABLE t1 MODIFY COLUMN a TIMESTAMP(6) DEFAULT NOW(6); ALTER TABLE t1 MODIFY COLUMN b DATETIME(6) DEFAULT NOW(6); INSERT INTO t1 VALUES (); SELECT * FROM t1; a b 1999-12-01 11:22:33.000000 1999-12-01 11:22:33.000000 2001-09-09 04:46:40.000000 2001-09-09 04:46:40.000000 DROP TABLE t1; SET sql_mode = default;