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DELIMITER $$
DROP PROCEDURE IF EXISTS upgrade_database_4540 $$
CREATE PROCEDURE upgrade_database_4540()
BEGIN
SET NAMES utf8 COLLATE utf8_hungarian_ci;
IF NOT EXISTS (SELECT * FROM information_schema.COLUMNS WHERE TABLE_SCHEMA=DATABASE() and TABLE_NAME='targy' and COLUMN_NAME='kretaTargyNev') THEN
ALTER TABLE targy ADD `kretaTargyNev` varchar(64) COLLATE utf8_hungarian_ci DEFAULT NULL;
ALTER TABLE targy ADD UNIQUE INDEX (kretaTargyNev);
END IF;
END $$
DELIMITER ;
CALL upgrade_database_4540();
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