81 lines
2.5 KiB
SQL
81 lines
2.5 KiB
SQL
-- Copyright (c) 2014, 2024, Oracle and/or its affiliates.
|
|
--
|
|
-- 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 FUNCTION IF EXISTS ps_is_instrument_default_timed;
|
|
|
|
DELIMITER $$
|
|
|
|
CREATE DEFINER='mysql.sys'@'localhost' FUNCTION ps_is_instrument_default_timed (
|
|
in_instrument VARCHAR(128)
|
|
)
|
|
RETURNS ENUM('YES', 'NO')
|
|
COMMENT '
|
|
Description
|
|
-----------
|
|
|
|
Returns whether an instrument is timed by default in this version of MySQL.
|
|
|
|
Parameters
|
|
-----------
|
|
|
|
in_instrument VARCHAR(128):
|
|
The instrument to check.
|
|
|
|
Returns
|
|
-----------
|
|
|
|
ENUM(\'YES\', \'NO\')
|
|
|
|
Example
|
|
-----------
|
|
|
|
mysql> SELECT sys.ps_is_instrument_default_timed(\'statement/sql/select\');
|
|
+------------------------------------------------------------+
|
|
| sys.ps_is_instrument_default_timed(\'statement/sql/select\') |
|
|
+------------------------------------------------------------+
|
|
| YES |
|
|
+------------------------------------------------------------+
|
|
1 row in set (0.00 sec)
|
|
'
|
|
SQL SECURITY INVOKER
|
|
DETERMINISTIC
|
|
READS SQL DATA
|
|
BEGIN
|
|
DECLARE v_timed ENUM('YES', 'NO');
|
|
|
|
IF (in_instrument LIKE 'stage/%') THEN
|
|
BEGIN
|
|
-- Stages are timed by default if the progress property is set.
|
|
SET v_timed = (SELECT
|
|
IF(find_in_set("progress", PROPERTIES) != 0, 'YES', 'NO')
|
|
FROM performance_schema.setup_instruments
|
|
WHERE NAME = in_instrument);
|
|
SET v_timed = IFNULL(v_timed, 'NO');
|
|
END;
|
|
ELSE
|
|
-- Mutex, rwlock, prlock, sxlock, cond are not timed by default
|
|
-- Memory instruments are never timed.
|
|
SET v_timed = IF(in_instrument LIKE 'wait/synch/%'
|
|
OR in_instrument LIKE 'memory/%'
|
|
,
|
|
'NO',
|
|
'YES'
|
|
);
|
|
END IF;
|
|
|
|
RETURN v_timed;
|
|
END$$
|
|
|
|
DELIMITER ;
|