polardbxengine/mysql-test/t/persisted_variables_for_plugin.test

-- source include/have_validate_password_plugin.inc

# Save the initial number of concurrent sessions
--source include/count_sessions.inc

--echo #
--echo # WL#8688: Support ability to persist SET GLOBAL settings
--echo #

SET PERSIST server_id=47, @@persist.general_log=0;
SET PERSIST concurrent_insert=NEVER;

--echo # TEST plugin variables
call mtr.add_suppression("Dictionary file not specified");

--replace_regex /\.dll/.so/
eval INSTALL PLUGIN validate_password SONAME '$VALIDATE_PASSWORD';

--echo # before restart
SELECT @@global.validate_password_policy, @@global.validate_password_length;
--echo # persist plugin variables
SET PERSIST validate_password_policy= 2;
SET PERSIST validate_password_length= 13;

--echo # Restart server
--exec echo "wait" > $MYSQLTEST_VARDIR/tmp/mysqld.1.expect
--shutdown_server
--source include/wait_until_disconnected.inc
--exec echo "restart" > $MYSQLTEST_VARDIR/tmp/mysqld.1.expect
--enable_reconnect
--source include/wait_until_connected_again.inc

--echo # after restart
SELECT @@global.server_id;
SELECT @@global.general_log;
SELECT @@global.concurrent_insert;
SELECT @@global.validate_password_policy;
SELECT @@global.validate_password_length;

--echo # uninstall plugin
UNINSTALL PLUGIN validate_password;

CALL mtr.add_suppression("currently unknown variable 'validate_password_*");

--echo # Restart server after plugin uninstall this should report
--echo # warnings in server log
--exec echo "wait" > $MYSQLTEST_VARDIR/tmp/mysqld.1.expect
--shutdown_server
--source include/wait_until_disconnected.inc
--exec echo "restart" > $MYSQLTEST_VARDIR/tmp/mysqld.1.expect
--enable_reconnect
--source include/wait_until_connected_again.inc

# Turn off reconnect again
--disable_reconnect

--echo # Search for warnings in error log.
--let $log_file= $MYSQLTEST_VARDIR/log/mysqld.1.err
--let LOGF= $log_file

CALL mtr.add_suppression("currently unknown variable 'validate_password_*");
let $MYSQLD_DATADIR= `select @@datadir`;
--remove_file $MYSQLD_DATADIR/mysqld-auto.cnf

--echo # Restart server
--exec echo "wait" > $MYSQLTEST_VARDIR/tmp/mysqld.1.expect
--shutdown_server
--source include/wait_until_disconnected.inc
--exec echo "restart" > $MYSQLTEST_VARDIR/tmp/mysqld.1.expect
--enable_reconnect
--source include/wait_until_connected_again.inc
--source include/xplugin_wait_for_interfaces.inc

--echo # Test RESET PERSIST for plugin variables.
--replace_regex /\.dll/.so/
eval INSTALL PLUGIN validate_password SONAME '$VALIDATE_PASSWORD';
SELECT * FROM performance_schema.persisted_variables ORDER BY 1;
SET PERSIST validate_password_policy= 2;
# return 1 row
SELECT * FROM performance_schema.persisted_variables ORDER BY 1;
SET PERSIST validate_password_length= 13;
# return 2 rows
SELECT * FROM performance_schema.persisted_variables ORDER BY 1;
RESET PERSIST validate_password_length;
# return 1 row
SELECT * FROM performance_schema.persisted_variables ORDER BY 1;
--echo # uninstall plugin
UNINSTALL PLUGIN validate_password;
# return 1 row
SELECT * FROM performance_schema.persisted_variables ORDER BY 1;
--echo # Test RESET PERSIST after plugin is uninstalled
RESET PERSIST;
# return 0 rows
SELECT * FROM performance_schema.persisted_variables ORDER BY 1;

--echo #
--echo # Bug #27924206: SET PERSIST DOES NOT FLUSH VALUE FROM MEMORY
--echo #

# case 1: Test RESET PERSIST <plugin variable>;
--replace_regex /\.dll/.so/
eval INSTALL PLUGIN validate_password SONAME '$VALIDATE_PASSWORD';
SET @@persist.validate_password_length= 15;
UNINSTALL PLUGIN validate_password;
--echo # Restart server
--source include/restart_mysqld.inc
--replace_regex /\.dll/.so/
eval INSTALL PLUGIN validate_password SONAME '$VALIDATE_PASSWORD';
SELECT @@GLOBAL.validate_password_length;
SET PERSIST validate_password_length= 9;
SELECT @@GLOBAL.validate_password_length;
RESET PERSIST validate_password_length;
UNINSTALL PLUGIN validate_password;
--error ER_UNKNOWN_SYSTEM_VARIABLE
SELECT @@GLOBAL.validate_password_length;
--replace_regex /\.dll/.so/
eval INSTALL PLUGIN validate_password SONAME '$VALIDATE_PASSWORD';
# should return default value 8
SELECT @@GLOBAL.validate_password_length;

# case 1: Test RESET PERSIST;
SET @@persist.validate_password_length= 11;
UNINSTALL PLUGIN validate_password;
--echo # Restart server
--source include/restart_mysqld.inc
--replace_regex /\.dll/.so/
eval INSTALL PLUGIN validate_password SONAME '$VALIDATE_PASSWORD';
SELECT @@GLOBAL.validate_password_length;
SET PERSIST validate_password_length= 19;
SELECT @@GLOBAL.validate_password_length;
RESET PERSIST;
UNINSTALL PLUGIN validate_password;
--error ER_UNKNOWN_SYSTEM_VARIABLE
SELECT @@GLOBAL.validate_password_length;
--replace_regex /\.dll/.so/
eval INSTALL PLUGIN validate_password SONAME '$VALIDATE_PASSWORD';
# should return default value 8
SELECT @@GLOBAL.validate_password_length;

# Cleanup
RESET PERSIST;
UNINSTALL plugin validate_password;
--remove_file $MYSQLD_DATADIR/mysqld-auto.cnf

--echo #
--echo # Bug #28823972: PERSISTED PLUGIN VARIABLE VALUE LOST AFTER
--echo #                PLUGIN IS REINSTALLED
--echo #

--replace_regex /\.dll/.so/
eval INSTALL PLUGIN validate_password SONAME '$VALIDATE_PASSWORD';
SELECT @@GLOBAL.validate_password_length;
SET @@persist.validate_password_length= 15;
UNINSTALL PLUGIN validate_password;
--replace_regex /\.dll/.so/
eval INSTALL PLUGIN validate_password SONAME '$VALIDATE_PASSWORD';
# should report 15 not the default value
SELECT @@GLOBAL.validate_password_length;

# Cleanup
RESET PERSIST;
UNINSTALL plugin validate_password;
--remove_file $MYSQLD_DATADIR/mysqld-auto.cnf