-- DB update 2019_02_17_00 -> 2019_04_13_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_auth' AND COLUMN_NAME = '2019_02_17_00'; IF @COLEXISTS = 0 THEN LEAVE proc; END IF; START TRANSACTION; ALTER TABLE version_db_auth CHANGE COLUMN 2019_02_17_00 2019_04_13_00 bit; SELECT sql_rev INTO OK FROM version_db_auth WHERE sql_rev = '1554142988374631100'; IF OK <> 'FALSE' THEN LEAVE proc; END IF; -- -- START UPDATING QUERIES -- INSERT INTO `version_db_auth` (`sql_rev`) VALUES ('1554142988374631100'); ALTER TABLE `account` CHANGE COLUMN `online` `online` INT UNSIGNED NOT NULL DEFAULT '0' AFTER `last_login`; -- -- END UPDATING QUERIES -- COMMIT; END // DELIMITER ; CALL updateDb(); DROP PROCEDURE IF EXISTS `updateDb`;