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-- 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_reset_to_default;
DELIMITER $$
CREATE DEFINER='mariadb.sys'@'localhost' PROCEDURE ps_setup_reset_to_default (
IN in_verbose BOOLEAN
)
COMMENT '
Description
-----------
Resets the Performance Schema setup to the default settings.
Parameters
-----------
in_verbose (BOOLEAN):
Whether to print each setup stage (including the SQL) whilst running.
Example
-----------
mysql> CALL sys.ps_setup_reset_to_default(true)\\G
*************************** 1. row ***************************
status: Resetting: setup_actors
DELETE
FROM performance_schema.setup_actors
WHERE NOT (HOST = \'%\' AND USER = \'%\' AND ROLE = \'%\')
1 row in set (0.00 sec)
*************************** 1. row ***************************
status: Resetting: setup_actors
INSERT IGNORE INTO performance_schema.setup_actors
VALUES (\'%\', \'%\', \'%\')
1 row in set (0.00 sec)
...
mysql> CALL sys.ps_setup_reset_to_default(false)\\G
Query OK, 0 rows affected (0.00 sec)
'
SQL SECURITY INVOKER
NOT DETERMINISTIC
MODIFIES SQL DATA
BEGIN
SET @query = 'DELETE
FROM performance_schema.setup_actors
WHERE NOT (HOST = ''%'' AND USER = ''%'' AND ROLE = ''%'')';
IF (in_verbose) THEN
SELECT CONCAT('Resetting: setup_actors\n', REPLACE(@query, ' ', '')) AS status;
END IF;
PREPARE reset_stmt FROM @query;
EXECUTE reset_stmt;
DEALLOCATE PREPARE reset_stmt;
SET @query = 'INSERT IGNORE INTO performance_schema.setup_actors
VALUES (''%'', ''%'', ''%'')';
IF (in_verbose) THEN
SELECT CONCAT('Resetting: setup_actors\n', REPLACE(@query, ' ', '')) AS status;
END IF;
PREPARE reset_stmt FROM @query;
EXECUTE reset_stmt;
DEALLOCATE PREPARE reset_stmt;
SET @query = 'UPDATE performance_schema.setup_instruments
SET ENABLED = sys.ps_is_instrument_default_enabled(NAME),
TIMED = sys.ps_is_instrument_default_timed(NAME)';
IF (in_verbose) THEN
SELECT CONCAT('Resetting: setup_instruments\n', REPLACE(@query, ' ', '')) AS status;
END IF;
PREPARE reset_stmt FROM @query;
EXECUTE reset_stmt;
DEALLOCATE PREPARE reset_stmt;
SET @query = 'UPDATE performance_schema.setup_consumers
SET ENABLED = IF(NAME IN (''events_statements_current'', ''global_instrumentation'', ''thread_instrumentation'', ''statements_digest''), ''YES'', ''NO'')';
IF (in_verbose) THEN
SELECT CONCAT('Resetting: setup_consumers\n', REPLACE(@query, ' ', '')) AS status;
END IF;
PREPARE reset_stmt FROM @query;
EXECUTE reset_stmt;
DEALLOCATE PREPARE reset_stmt;
SET @query = 'DELETE
FROM performance_schema.setup_objects
WHERE NOT (OBJECT_TYPE = ''TABLE'' AND OBJECT_NAME = ''%''
AND (OBJECT_SCHEMA = ''mysql'' AND ENABLED = ''NO'' AND TIMED = ''NO'' )
OR (OBJECT_SCHEMA = ''performance_schema'' AND ENABLED = ''NO'' AND TIMED = ''NO'' )
OR (OBJECT_SCHEMA = ''information_schema'' AND ENABLED = ''NO'' AND TIMED = ''NO'' )
OR (OBJECT_SCHEMA = ''%'' AND ENABLED = ''YES'' AND TIMED = ''YES''))';
IF (in_verbose) THEN
SELECT CONCAT('Resetting: setup_objects\n', REPLACE(@query, ' ', '')) AS status;
END IF;
PREPARE reset_stmt FROM @query;
EXECUTE reset_stmt;
DEALLOCATE PREPARE reset_stmt;
SET @query = 'INSERT IGNORE INTO performance_schema.setup_objects
VALUES (''TABLE'', ''mysql'' , ''%'', ''NO'' , ''NO'' ),
(''TABLE'', ''performance_schema'', ''%'', ''NO'' , ''NO'' ),
(''TABLE'', ''information_schema'', ''%'', ''NO'' , ''NO'' ),
(''TABLE'', ''%'' , ''%'', ''YES'', ''YES'')';
IF (in_verbose) THEN
SELECT CONCAT('Resetting: setup_objects\n', REPLACE(@query, ' ', '')) AS status;
END IF;
PREPARE reset_stmt FROM @query;
EXECUTE reset_stmt;
DEALLOCATE PREPARE reset_stmt;
SET @query = 'UPDATE performance_schema.threads
SET INSTRUMENTED = ''YES''';
IF (in_verbose) THEN
SELECT CONCAT('Resetting: threads\n', REPLACE(@query, ' ', '')) AS status;
END IF;
PREPARE reset_stmt FROM @query;
EXECUTE reset_stmt;
DEALLOCATE PREPARE reset_stmt;
END$$
DELIMITER ;
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