-- DB update 2021_05_30_00 -> 2021_06_17_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 = '2021_05_30_00'; IF @COLEXISTS = 0 THEN LEAVE proc; END IF; START TRANSACTION; ALTER TABLE version_db_auth CHANGE COLUMN 2021_05_30_00 2021_06_17_00 bit; SELECT sql_rev INTO OK FROM version_db_auth WHERE sql_rev = '1620146306002634000'; IF OK <> 'FALSE' THEN LEAVE proc; END IF; -- -- START UPDATING QUERIES -- INSERT INTO `version_db_auth` (`sql_rev`) VALUES ('1620146306002634000'); -- DROP TABLE IF EXISTS `ip2nation`; DROP TABLE IF EXISTS `ip2nationCountries`; -- -- END UPDATING QUERIES -- UPDATE version_db_auth SET date = '2021_06_17_00' WHERE sql_rev = '1620146306002634000'; COMMIT; END // DELIMITER ; CALL updateDb(); DROP PROCEDURE IF EXISTS `updateDb`;