-- DB update 2021_01_25_00 -> 2021_03_28_00 DROP PROCEDURE IF EXISTS `updateDb`; DELIMITER // CREATE PROCEDURE updateDb () proc:BEGIN DECLARE OK VARCHAR(100) DEFAULT 'FALSE'; SELECT COUNT(*) INTO @COLEXISTS FROM information_schema.COLUMNS WHERE TABLE_SCHEMA = DATABASE() AND TABLE_NAME = 'version_db_characters' AND COLUMN_NAME = '2021_01_25_00'; IF @COLEXISTS = 0 THEN LEAVE proc; END IF; START TRANSACTION; ALTER TABLE version_db_characters CHANGE COLUMN 2021_01_25_00 2021_03_28_00 bit; SELECT sql_rev INTO OK FROM version_db_characters WHERE sql_rev = '1616857517874136100'; IF OK <> 'FALSE' THEN LEAVE proc; END IF; -- -- START UPDATING QUERIES -- INSERT INTO `version_db_characters` (`sql_rev`) VALUES ('1616857517874136100'); DELETE FROM `warden_action` WHERE `wardenId`=437; INSERT INTO `warden_action` (`wardenId`, `action`) VALUES (437, 0); -- -- END UPDATING QUERIES -- COMMIT; END // DELIMITER ; CALL updateDb(); DROP PROCEDURE IF EXISTS `updateDb`;