| Server IP : 104.21.38.3 / Your IP : 162.158.163.122 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/ |
Upload File : |
# # Test fetching from stats tables while there are no stats # -- source include/have_innodb.inc -- vertical_results CREATE TABLE test_ps_fetch_nonexistent (a INT, PRIMARY KEY (a)) ENGINE=INNODB STATS_PERSISTENT=1; # write stats to mysql.innodb_table_stats ANALYZE TABLE test_ps_fetch_nonexistent; # check that indeed stats were written by ANALYZE above SELECT COUNT(*) FROM mysql.innodb_table_stats WHERE table_name = 'test_ps_fetch_nonexistent'; # delete the stats DELETE FROM mysql.innodb_index_stats WHERE table_name = 'test_ps_fetch_nonexistent'; DELETE FROM mysql.innodb_table_stats WHERE table_name = 'test_ps_fetch_nonexistent'; # reopen the table, this will attept to read the stats FLUSH TABLE test_ps_fetch_nonexistent; # check the stats (should have been generated using the old transient stats # method) SELECT seq_in_index, column_name, cardinality FROM information_schema.statistics WHERE table_name = 'test_ps_fetch_nonexistent' ORDER BY index_name, seq_in_index; SELECT table_rows, avg_row_length, max_data_length, index_length FROM information_schema.tables WHERE table_name = 'test_ps_fetch_nonexistent'; DROP TABLE test_ps_fetch_nonexistent;