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--
-- This program is free software; you can redistribute it and/or modify
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-- as published by the Free Software Foundation.
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-- separately licensed software that they have included with MySQL.
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-- 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, version 2.0, for more details.
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-- 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='mysql.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 ;
