Server IP : 172.67.216.182 / Your IP : 162.158.190.53 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/parts/t/ |
Upload File : |
--source include/have_innodb.inc --source include/have_partition.inc --source include/have_debug_sync.inc let $MYSQLD_DATADIR=`SELECT @@datadir`; --echo # --echo # Bug#49907: ALTER TABLE ... TRUNCATE PARTITION --echo # does not wait for locks on the table --echo # CREATE TABLE t1 (a INT) ENGINE = InnoDB PARTITION BY RANGE (a) (PARTITION p0 VALUES LESS THAN (15), PARTITION pMax VALUES LESS THAN MAXVALUE); INSERT INTO t1 VALUES (1), (11), (21), (33); BEGIN; DELETE FROM t1 WHERE a = 11; --sorted_result SELECT * FROM t1; --connect (con1, localhost, root,,) --echo # con1 (send) --send ALTER TABLE t1 TRUNCATE PARTITION pMax; --connection default --echo # con default let $wait_condition= SELECT COUNT(*) = 1 FROM INFORMATION_SCHEMA.PROCESSLIST WHERE STATE = "Waiting for table metadata lock" AND INFO = "ALTER TABLE t1 TRUNCATE PARTITION pMax"; --source include/wait_condition.inc --sorted_result SELECT * FROM t1; --echo # Commit will allow the TRUNCATE to finish COMMIT; --echo # con1 (reap) --connection con1 --reap --echo # con1 (disconnect) --disconnect con1 --connection default --echo # default connection SELECT * FROM t1; DROP TABLE t1; --echo # --echo # Bug#50561: ALTER PARTITIONS does not have adequate lock, breaks with --echo # concurrent I_S query create table t1 (a int) engine = innodb stats_persistent=0 partition by range (a) (partition p0 values less than MAXVALUE); insert into t1 values (1), (11), (21), (33); SELECT * FROM t1; SHOW CREATE TABLE t1; --replace_result #p# #P# #sp# #SP# --list_files $MYSQLD_DATADIR/test SET DEBUG_SYNC='before_open_in_get_all_tables SIGNAL parked WAIT_FOR open'; SET DEBUG_SYNC='partition_open_error SIGNAL alter WAIT_FOR finish'; send SELECT TABLE_SCHEMA, TABLE_NAME, PARTITION_NAME, PARTITION_ORDINAL_POSITION, PARTITION_DESCRIPTION, TABLE_ROWS FROM INFORMATION_SCHEMA.PARTITIONS WHERE TABLE_NAME = 't1' AND TABLE_SCHEMA = 'test'; connect (con1, localhost, root,,); SET DEBUG_SYNC = 'now WAIT_FOR parked'; --echo # When waiting for the name lock in get_all_tables in sql_show.cc --echo # this will not be concurrent any more, thus the TIMEOUT SET DEBUG_SYNC = 'before_handle_alter_part_end SIGNAL open WAIT_FOR alter TIMEOUT 1'; --echo # Needs to be executed twice, since first is this 'SET DEBUG_SYNC ...' SET DEBUG_SYNC = 'before_close_thread_tables SIGNAL finish EXECUTE 2'; --error 0,ER_TABLE_EXISTS_ERROR ALTER TABLE t1 REORGANIZE PARTITION p0 INTO (PARTITION p0 VALUES LESS THAN (10), PARTITION p10 VALUES LESS THAN MAXVALUE); disconnect con1; connection default; --reap --replace_result #p# #P# #sp# #SP# --list_files $MYSQLD_DATADIR/test SHOW CREATE TABLE t1; SELECT * FROM t1; drop table t1; --list_files $MYSQLD_DATADIR/test SET DEBUG_SYNC = 'RESET';