Adding the three functions version_major(), version_minor(), and version_patch() to return the major, minor (release series), and patch version numbers from the MySQL version string

Author: JesperWisborgKrogh

functions/version_major.sql

@@ -0,0 +1,51 @@
+-- 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 FUNCTION IF EXISTS version_major;
+
+DELIMITER $$
+
+CREATE DEFINER='root'@'localhost' FUNCTION version_major ()
+    RETURNS TINYINT UNSIGNED
+    COMMENT '
+             Description
+             -----------
+
+             Returns the major version of MySQL Server.
+
+             Returns
+             -----------
+
+             TINYINT UNSIGNED
+
+             Example
+             -----------
+
+             mysql> SELECT VERSION(), sys.version_major();
+             +--------------------------------------+---------------------+
+             | VERSION()                            | sys.version_major() |
+             +--------------------------------------+---------------------+
+             | 5.7.9-enterprise-commercial-advanced | 5                   |
+             +--------------------------------------+---------------------+
+             1 row in set (0.00 sec)
+            '
+    SQL SECURITY INVOKER
+    NOT DETERMINISTIC
+    NO SQL
+BEGIN
+    RETURN SUBSTRING_INDEX(SUBSTRING_INDEX(VERSION(), '-', 1), '.', 1);
+END$$
+
+DELIMITER ;

functions/version_minor.sql

@@ -0,0 +1,51 @@
+-- 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 FUNCTION IF EXISTS version_minor;
+
+DELIMITER $$
+
+CREATE DEFINER='root'@'localhost' FUNCTION version_minor ()
+    RETURNS TINYINT UNSIGNED
+    COMMENT '
+             Description
+             -----------
+
+             Returns the minor (release series) version of MySQL Server.
+
+             Returns
+             -----------
+
+             TINYINT UNSIGNED
+
+             Example
+             -----------
+
+             mysql> SELECT VERSION(), sys.server_minor();
+             +--------------------------------------+---------------------+
+             | VERSION()                            | sys.version_minor() |
+             +--------------------------------------+---------------------+
+             | 5.7.9-enterprise-commercial-advanced | 7                   |
+             +--------------------------------------+---------------------+
+             1 row in set (0.00 sec)
+            '
+    SQL SECURITY INVOKER
+    NOT DETERMINISTIC
+    NO SQL
+BEGIN
+    RETURN SUBSTRING_INDEX(SUBSTRING_INDEX(SUBSTRING_INDEX(VERSION(), '-', 1), '.', 2), '.', -1);
+END$$
+
+DELIMITER ;

functions/version_patch.sql

@@ -0,0 +1,51 @@
+-- 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 FUNCTION IF EXISTS version_patch;
+
+DELIMITER $$
+
+CREATE DEFINER='root'@'localhost' FUNCTION version_patch ()
+    RETURNS TINYINT UNSIGNED
+    COMMENT '
+             Description
+             -----------
+
+             Returns the patch release version of MySQL Server.
+
+             Returns
+             -----------
+
+             TINYINT UNSIGNED
+
+             Example
+             -----------
+
+             mysql> SELECT VERSION(), sys.version_patch();
+             +--------------------------------------+---------------------+
+             | VERSION()                            | sys.version_patch() |
+             +--------------------------------------+---------------------+
+             | 5.7.9-enterprise-commercial-advanced | 9                   |
+             +--------------------------------------+---------------------+
+             1 row in set (0.00 sec)
+            '
+    SQL SECURITY INVOKER
+    NOT DETERMINISTIC
+    NO SQL
+BEGIN
+    RETURN SUBSTRING_INDEX(SUBSTRING_INDEX(VERSION(), '-', 1), '.', -1);
+END$$
+
+DELIMITER ;