Server IP : 104.21.38.3 / Your IP : 172.69.176.88 Web Server : Apache System : Linux krdc-ubuntu-s-2vcpu-4gb-amd-blr1-01.localdomain 5.15.0-142-generic #152-Ubuntu SMP Mon May 19 10:54:31 UTC 2025 x86_64 User : www ( 1000) PHP Version : 7.4.33 Disable Function : passthru,exec,system,putenv,chroot,chgrp,chown,shell_exec,popen,proc_open,pcntl_exec,ini_alter,ini_restore,dl,openlog,syslog,readlink,symlink,popepassthru,pcntl_alarm,pcntl_fork,pcntl_waitpid,pcntl_wait,pcntl_wifexited,pcntl_wifstopped,pcntl_wifsignaled,pcntl_wifcontinued,pcntl_wexitstatus,pcntl_wtermsig,pcntl_wstopsig,pcntl_signal,pcntl_signal_dispatch,pcntl_get_last_error,pcntl_strerror,pcntl_sigprocmask,pcntl_sigwaitinfo,pcntl_sigtimedwait,pcntl_exec,pcntl_getpriority,pcntl_setpriority,imap_open,apache_setenv MySQL : OFF | cURL : ON | WGET : ON | Perl : ON | Python : OFF | Sudo : ON | Pkexec : ON Directory : /www/server/mysql/src/mysql-test/suite/innodb/t/ |
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--source include/have_innodb.inc CREATE TABLE t1 (a INT) ENGINE=InnoDB; INSERT INTO t1 VALUES(347),(33101),(123),(45),(6); # NULL -> NOT NULL only allowed INPLACE if strict sql_mode is on. ALTER TABLE t1 ADD PRIMARY KEY(a); # We cannot assign AUTO_INCREMENT values during online index creation. --error ER_ALTER_OPERATION_NOT_SUPPORTED_REASON ALTER TABLE t1 DROP PRIMARY KEY, ADD id INT AUTO_INCREMENT PRIMARY KEY, LOCK=NONE; --error ER_WRONG_AUTO_KEY ALTER TABLE t1 ADD id INT AUTO_INCREMENT; --error ER_WRONG_AUTO_KEY ALTER TABLE t1 ADD id INT AUTO_INCREMENT, ADD INDEX(a, id); ALTER TABLE t1 ADD id INT NOT NULL, ADD INDEX(id, a); SELECT * FROM t1; # Test with a non-default increment and offset SET AUTO_INCREMENT_INCREMENT = 5, AUTO_INCREMENT_OFFSET = 30; ALTER TABLE t1 DROP PRIMARY KEY, ADD id INT AUTO_INCREMENT PRIMARY KEY, DROP COLUMN id, AUTO_INCREMENT = 42, ALGORITHM=COPY; SHOW CREATE TABLE t1; # The autoinc next value should increase. It is not rolled back. BEGIN; INSERT INTO t1 VALUES(7,0); SELECT * FROM t1; ROLLBACK; SHOW CREATE TABLE t1; # We cannot assign AUTO_INCREMENT values during online index creation. --error ER_ALTER_OPERATION_NOT_SUPPORTED_REASON ALTER TABLE t1 DROP PRIMARY KEY, ADD id INT AUTO_INCREMENT PRIMARY KEY, DROP COLUMN id, AUTO_INCREMENT = 42, LOCK=NONE; ALTER TABLE t1 DROP PRIMARY KEY, ADD id INT AUTO_INCREMENT PRIMARY KEY, DROP COLUMN id, AUTO_INCREMENT = 42, ALGORITHM=INPLACE; SELECT * FROM t1; SHOW CREATE TABLE t1; INSERT INTO t1 SET a=123; INSERT INTO t1 VALUES(-123,-45); ALTER TABLE t1 AUTO_INCREMENT = 75; INSERT INTO t1 SET a=123; SELECT * FROM t1; SHOW CREATE TABLE t1; DROP TABLE t1; # ALGORITHM=INPLACE should deliver identical results to ALGORITHM=COPY. CREATE TABLE t1 (a INT) ENGINE=InnoDB; INSERT INTO t1 VALUES(347),(33101),(123),(45),(6); ALTER TABLE t1 ADD PRIMARY KEY(a); ALTER TABLE t1 ADD id INT NOT NULL, ADD INDEX(id, a); SELECT * FROM t1; ALTER TABLE t1 DROP PRIMARY KEY, ADD id INT AUTO_INCREMENT PRIMARY KEY, DROP COLUMN id, AUTO_INCREMENT = 42, ALGORITHM=INPLACE; SHOW CREATE TABLE t1; # The autoinc next value should increase. It is not rolled back. BEGIN; INSERT INTO t1 VALUES(7,0); SELECT * FROM t1; ROLLBACK; SHOW CREATE TABLE t1; ALTER TABLE t1 DROP PRIMARY KEY, ADD id INT AUTO_INCREMENT PRIMARY KEY, DROP COLUMN id, AUTO_INCREMENT = 42, ALGORITHM=COPY; SELECT * FROM t1; SHOW CREATE TABLE t1; INSERT INTO t1 SET a=123; INSERT INTO t1 VALUES(-123,-45); ALTER TABLE t1 AUTO_INCREMENT = 75; INSERT INTO t1 SET a=123; SELECT * FROM t1; SHOW CREATE TABLE t1; DROP TABLE t1;