DELIMITER $$
DROP PROCEDURE IF EXISTS upgrade_database_4175 $$

CREATE PROCEDURE upgrade_database_4175()
BEGIN
SET NAMES utf8 COLLATE utf8_hungarian_ci;

IF NOT EXISTS (SELECT * FROM information_schema.COLUMNS WHERE TABLE_SCHEMA=DATABASE() and TABLE_NAME='tanar' AND COLUMN_NAME='titulus') THEN
    ALTER TABLE tanar ADD COLUMN `titulus` varchar(32) DEFAULT '';
END IF;
IF NOT EXISTS (SELECT * FROM information_schema.COLUMNS WHERE TABLE_SCHEMA=DATABASE() and TABLE_NAME='tanar' AND COLUMN_NAME='titulusRovid') THEN
    ALTER TABLE tanar ADD COLUMN `titulusRovid` varchar(10) DEFAULT '';
END IF;
IF NOT EXISTS (SELECT * FROM information_schema.COLUMNS WHERE TABLE_SCHEMA=DATABASE() and TABLE_NAME='tanar' AND COLUMN_NAME='email') THEN
    ALTER TABLE tanar ADD COLUMN `email` varchar(64) DEFAULT '';
END IF;

END $$
DELIMITER ;
CALL upgrade_database_4175();