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-- Copyright (c) 2014, 2025, 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_enabled;
DELIMITER $$
CREATE DEFINER='mysql.sys'@'localhost' FUNCTION ps_is_instrument_default_enabled (
in_instrument VARCHAR(128)
)
RETURNS ENUM('YES', 'NO')
COMMENT '
Description
-----------
Returns whether an instrument is enabled by default in this version of MySQL.
Parameters
-----------
in_instrument VARCHAR(128):
The instrument to check.
Returns
-----------
ENUM(\'YES\', \'NO\')
Example
-----------
mysql> SELECT sys.ps_is_instrument_default_enabled(\'statement/sql/select\');
+--------------------------------------------------------------+
| sys.ps_is_instrument_default_enabled(\'statement/sql/select\') |
+--------------------------------------------------------------+
| YES |
+--------------------------------------------------------------+
1 row in set (0.00 sec)
'
SQL SECURITY INVOKER
DETERMINISTIC
READS SQL DATA
BEGIN
DECLARE v_enabled ENUM('YES', 'NO');
IF (in_instrument LIKE 'stage/%') THEN
BEGIN
/* Stages are enabled by default if the progress property is set. */
SET v_enabled = (SELECT
IF(find_in_set("progress", PROPERTIES) != 0, 'YES', 'NO')
FROM performance_schema.setup_instruments
WHERE NAME = in_instrument);
SET v_enabled = IFNULL(v_enabled, 'NO');
END;
ELSE
SET v_enabled = IF(in_instrument LIKE 'wait/synch/%'
OR in_instrument LIKE 'wait/io/socket/%'
,
'NO',
'YES'
);
END IF;
RETURN v_enabled;
END$$
DELIMITER ;
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