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-- Copyright (c) 2014, 2023, 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, version 2.0,
-- as published by the Free Software Foundation.
--
-- This program is also distributed with certain software (including
-- but not limited to OpenSSL) that is licensed under separate terms,
-- as designated in a particular file or component or in included license
-- documentation. The authors of MySQL hereby grant you an additional
-- permission to link the program and your derivative works with the
-- separately licensed software that they have included with MySQL.
--
-- 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.
--
-- 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 version_patch;
DELIMITER $$
CREATE DEFINER='mysql.sys'@'localhost' FUNCTION version_patch ()
RETURNS TINYINT UNSIGNED
COMMENT '
Description
-----------
Returns the patch release version of MySQL Server.
Returns
-----------
TINYINT UNSIGNED
Example
-----------
mysql> SELECT VERSION(), sys.version_patch();
+--------------------------------------+---------------------+
| VERSION() | sys.version_patch() |
+--------------------------------------+---------------------+
| 5.7.9-enterprise-commercial-advanced | 9 |
+--------------------------------------+---------------------+
1 row in set (0.00 sec)
'
SQL SECURITY INVOKER
NOT DETERMINISTIC
NO SQL
BEGIN
RETURN SUBSTRING_INDEX(SUBSTRING_INDEX(VERSION(), '-', 1), '.', -1);
END$$
DELIMITER ;