mirror of
https://github.com/MariaDB/server.git
synced 2025-11-03 20:36:16 +01:00
91 lines
2.2 KiB
Text
91 lines
2.2 KiB
Text
if (!$QUERY_RESPONSE_TIME_SO) {
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skip Needs query_response_time loadable plugin;
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}
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if (!$HA_ARCHIVE_SO) {
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skip Needs Archive loadable plugin;
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}
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--echo #
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--echo # MDEV-5345 - Deadlock between mysql_change_user(), SHOW VARIABLES and
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--echo # INSTALL PLUGIN
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--echo #
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# Prepare test
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delimiter |;
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CREATE PROCEDURE p_install(x INT)
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BEGIN
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DECLARE CONTINUE HANDLER FOR 1126 BEGIN END;
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WHILE x DO
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SET x= x - 1;
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INSTALL PLUGIN no_such_plugin SONAME 'no_such_object';
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END WHILE;
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END|
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CREATE PROCEDURE p_show_vars(x INT)
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WHILE x DO
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SET x= x - 1;
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SHOW VARIABLES;
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END WHILE|
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delimiter ;|
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connect(con1, localhost, root,,);
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connect(con2, localhost, root,,);
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# Start test
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connection con1;
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--send CALL p_install(100)
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connection con2;
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--send CALL p_show_vars(100)
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connection default;
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disable_result_log;
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let $i= 100;
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while ($i)
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{
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change_user;
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dec $i;
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}
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# Cleanup
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connection con1;
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reap;
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connection con2;
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reap;
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connection default;
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enable_result_log;
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disconnect con1;
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disconnect con2;
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USE test;
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DROP PROCEDURE p_install;
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DROP PROCEDURE p_show_vars;
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--echo #
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--echo # Bug#29363867: LOST CONNECTION TO MYSQL SERVER DURING QUERY
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--echo #
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--echo ## prepared SET with a plugin variable prevents uninstall
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install plugin query_response_time soname 'query_response_time';
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prepare s from 'set global query_response_time_range_base=16';
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select plugin_status from information_schema.plugins where plugin_name='query_response_time';
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uninstall plugin query_response_time;
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execute s;
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execute s;
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select plugin_status from information_schema.plugins where plugin_name='query_response_time';
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deallocate prepare s;
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select plugin_status from information_schema.plugins where plugin_name='query_response_time';
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--echo ## prepared SET mentioning a plugin otherwise does not prevent uninstall
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install plugin archive soname 'ha_archive';
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create table t1 (a int) engine=archive;
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insert t1 values (1),(2),(3);
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prepare s from 'set session auto_increment_increment=(select count(*) from t1)';
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flush tables;
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select plugin_status from information_schema.plugins where plugin_name='archive';
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uninstall plugin archive;
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select plugin_status from information_schema.plugins where plugin_name='archive';
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--error ER_UNKNOWN_STORAGE_ENGINE
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execute s;
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drop table t1;
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