| Server IP : 172.67.216.182 / Your IP : 172.68.164.10 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/r/ |
Upload File : |
CREATE TABLE t (c1 INT, c2 INT, KEY i2 (c2)) ENGINE=INNODB; SET DEBUG='+d,ib_rename_index_fail1'; ALTER TABLE t RENAME INDEX i2 to x, ALGORITHM=INPLACE; ERROR 40001: Deadlock found when trying to get lock; try restarting transaction SET DEBUG='-d,ib_rename_index_fail1'; SET DEBUG='+d,ib_rename_index_fail2'; ALTER TABLE t RENAME INDEX i2 to x, ROW_FORMAT=REDUNDANT, ALGORITHM=INPLACE; Warnings: Warning 1088 Error updating stats for table 't' after table rebuild: Tablespace deleted or being deleted SET DEBUG='-d,ib_rename_index_fail2'; SELECT index_name, stat_description FROM mysql.innodb_index_stats WHERE table_name = 't' AND stat_name LIKE 'n_diff%' ORDER BY 1, 2; index_name stat_description GEN_CLUST_INDEX DB_ROW_ID x c2 x c2,DB_ROW_ID SET DEBUG='+d,ib_rename_index_fail3'; ALTER TABLE t RENAME INDEX x to y, ROW_FORMAT=REDUNDANT, ALGORITHM=INPLACE; Warnings: Warning 1088 Deleting persistent statistics for rebuilt table 't' in InnoDB failed: Unable to delete statistics for table test.t: Deadlock. They can be deleted later using DELETE FROM mysql.innodb_index_stats WHERE database_name = 'test' AND table_name = 't'; DELETE FROM mysql.innodb_table_stats WHERE database_name = 'test' AND table_name = 't'; SET DEBUG='-d,ib_rename_index_fail3'; SELECT index_name, stat_description FROM mysql.innodb_index_stats WHERE table_name = 't' AND stat_name LIKE 'n_diff%' ORDER BY 1, 2; index_name stat_description GEN_CLUST_INDEX DB_ROW_ID x c2 x c2,DB_ROW_ID y c2 y c2,DB_ROW_ID DROP TABLE t; CREATE TABLE t (a INT, INDEX i1 (a)) ENGINE=INNODB; DROP TABLE t; CREATE TABLE t (a INT) ENGINE=INNODB; SHOW CREATE TABLE t; Table Create Table t CREATE TABLE `t` ( `a` int(11) DEFAULT NULL, KEY `i1` (`a`) ) ENGINE=InnoDB DEFAULT CHARSET=latin1 ALTER TABLE t RENAME INDEX i1 TO i2; ERROR 42000: Key 'i1' doesn't exist in table 'test/t' DROP TABLE t;