Server IP : 104.21.38.3 / Your IP : 172.71.81.48 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/query_rewrite_plugins/r/ |
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# # Tests that the character set setting is properly picked up by the # session that reads the rules table. # Warnings: Warning 1681 'RESET QUERY CACHE' is deprecated and will be removed in a future release. Warnings: Warning 1681 'RESET QUERY CACHE' is deprecated and will be removed in a future release. # Query rewrite plugin was installed. # Let's be clear on what the global and session values are # for this variable. SHOW VARIABLES LIKE 'character_set_client'; Variable_name Value character_set_client latin1 SHOW SESSION VARIABLES LIKE 'character_set_client'; Variable_name Value character_set_client latin1 SHOW GLOBAL VARIABLES LIKE 'character_set_client'; Variable_name Value character_set_client latin1 DELETE FROM query_rewrite.rewrite_rules; INSERT INTO query_rewrite.rewrite_rules ( pattern, replacement ) VALUES ( 'SELECT * FROM mydb.mytable WHERE mycol = ?', 'select "rule1"' ); CALL query_rewrite.flush_rewrite_rules(); Warnings: Warning 1681 'RESET QUERY CACHE' is deprecated and will be removed in a future release. CREATE DATABASE mydb; CREATE TABLE mydb.mytable ( mycol char(3), mycol2 CHAR(100) ); INSERT INTO mydb.mytable VALUES ( 'xxx', 'Not supposed to be seeing this.' ); SELECT * FROM mydb.mytable WHERE mycol = 'xxx'; rule1 rule1 Warnings: Note 1105 Query 'SELECT * FROM mydb.mytable WHERE mycol = 'xxx'' rewritten to 'select "rule1"' by a query rewrite plugin DROP DATABASE mydb; # We now set the global value of the variable, this should not affect # the plugin. It should copy the session value from our session. SET @@global.character_set_client = utf8; SELECT * FROM mydb.mytable WHERE mycol = 'xxx'; rule1 rule1 Warnings: Note 1105 Query 'SELECT * FROM mydb.mytable WHERE mycol = 'xxx'' rewritten to 'select "rule1"' by a query rewrite plugin # Regenerating the digests should still work. CALL query_rewrite.flush_rewrite_rules(); SELECT * FROM mydb.mytable WHERE mycol = 'xxx'; rule1 rule1 Warnings: Note 1105 Query 'SELECT * FROM mydb.mytable WHERE mycol = 'xxx'' rewritten to 'select "rule1"' by a query rewrite plugin # We now repeat the above test with a character set where the digests # are known to differ. If we were lucky the last time, it will show now. # The global setting should still be ignored. SET @@global.character_set_client = latin1; SELECT * FROM mydb.mytable WHERE mycol = 'xxx'; rule1 rule1 Warnings: Note 1105 Query 'SELECT * FROM mydb.mytable WHERE mycol = 'xxx'' rewritten to 'select "rule1"' by a query rewrite plugin # Regenerating the digests should still work. CALL query_rewrite.flush_rewrite_rules(); SELECT * FROM mydb.mytable WHERE mycol = 'xxx'; rule1 rule1 Warnings: Note 1105 Query 'SELECT * FROM mydb.mytable WHERE mycol = 'xxx'' rewritten to 'select "rule1"' by a query rewrite plugin SET @@global.character_set_client = DEFAULT; # # This is perhaps an unwanted result, but the rules table-reading # session can't access our session's setting. # SET @@session.character_set_client = utf8; DELETE FROM query_rewrite.rewrite_rules; INSERT INTO query_rewrite.rewrite_rules ( pattern, replacement ) VALUES ( 'SELECT * FROM mydb.mytable WHERE mycol = ?', 'select "rule1"' ); CALL query_rewrite.flush_rewrite_rules(); CREATE DATABASE mydb; CREATE TABLE mydb.mytable ( mycol char(3), mycol2 CHAR(100) ); INSERT INTO mydb.mytable VALUES ( 'xxx', 'Not supposed to be seeing this.' ); SELECT * FROM mydb.mytable WHERE mycol = 'xxx'; rule1 rule1 Warnings: Note 1105 Query 'SELECT * FROM mydb.mytable WHERE mycol = 'xxx'' rewritten to 'select "rule1"' by a query rewrite plugin DROP DATABASE mydb; SET @@session.character_set_client = DEFAULT; Warnings: Warning 1620 Plugin is busy and will be uninstalled on shutdown # Query rewrite plugin was queued for uninstalling.