mariadb/scripts/sys_schema/procedures/ps_setup_disable_consumer.sql

70 lines
2.3 KiB
SQL

-- Copyright (c) 2014, 2015, Oracle and/or its affiliates. All rights reserved.
--
-- This program is free software; you can redistribute it and/or modify
-- it under the terms of the GNU General Public License as published by
-- the Free Software Foundation; version 2 of the License.
--
-- This program is distributed in the hope that it will be useful,
-- but WITHOUT ANY WARRANTY; without even the implied warranty of
-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-- GNU General Public License for more details.
--
-- You should have received a copy of the GNU General Public License
-- along with this program; if not, write to the Free Software
-- Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
DROP PROCEDURE IF EXISTS ps_setup_disable_consumer;
DELIMITER $$
CREATE DEFINER='mariadb.sys'@'localhost' PROCEDURE ps_setup_disable_consumer (
IN consumer VARCHAR(128)
)
COMMENT '
Description
-----------
Disables consumers within Performance Schema
matching the input pattern.
Parameters
-----------
consumer (VARCHAR(128)):
A LIKE pattern match (using "%consumer%") of consumers to disable
Example
-----------
To disable all consumers:
mysql> CALL sys.ps_setup_disable_consumer(\'\');
+--------------------------+
| summary |
+--------------------------+
| Disabled 15 consumers |
+--------------------------+
1 row in set (0.02 sec)
To disable just the event_stage consumers:
mysql> CALL sys.ps_setup_disable_comsumers(\'stage\');
+------------------------+
| summary |
+------------------------+
| Disabled 3 consumers |
+------------------------+
1 row in set (0.00 sec)
'
SQL SECURITY INVOKER
NOT DETERMINISTIC
MODIFIES SQL DATA
BEGIN
UPDATE performance_schema.setup_consumers
SET enabled = 'NO'
WHERE name LIKE CONCAT('%', consumer, '%');
SELECT CONCAT('Disabled ', @rows := ROW_COUNT(), ' consumer', IF(@rows != 1, 's', '')) AS summary;
END$$
DELIMITER ;