DELIMITER $$ DROP PROCEDURE IF EXISTS upgrade_database_4250 $$ CREATE PROCEDURE upgrade_database_4250() BEGIN SET NAMES utf8 COLLATE utf8_hungarian_ci; IF NOT EXISTS (SELECT * FROM information_schema.COLUMNS WHERE TABLE_SCHEMA=DATABASE() and TABLE_NAME='hirnokFeliratkozas' AND COLUMN_NAME='hirnokFeliratkozasId') THEN ALTER TABLE hirnokFeliratkozas ADD COLUMN `hirnokFeliratkozasId` int(11) unsigned NOT NULL AUTO_INCREMENT PRIMARY KEY FIRST; END IF; END $$ DELIMITER ; CALL upgrade_database_4250();