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DELIMITER $$
DROP PROCEDURE IF EXISTS upgrade_database_3456 $$
CREATE PROCEDURE upgrade_database_3456()
BEGIN
IF NOT EXISTS (
SELECT * FROM information_schema.COLUMNS WHERE TABLE_SCHEMA=DATABASE() AND TABLE_NAME='zaroJegy' AND COLUMN_NAME='evfolyamJel'
) THEN
alter table zaroJegy add column `evfolyamJel` varchar(32) COLLATE utf8_hungarian_ci DEFAULT NULL AFTER `evfolyam`;
ELSE
alter table zaroJegy modify `evfolyamJel` varchar(32) COLLATE utf8_hungarian_ci DEFAULT NULL;
END IF;
IF NOT EXISTS (
SELECT * FROM information_schema.COLUMNS WHERE TABLE_SCHEMA=DATABASE() AND TABLE_NAME='vizsga' AND COLUMN_NAME='evfolyamJel'
) THEN
alter table vizsga add column `evfolyamJel` varchar(32) COLLATE utf8_hungarian_ci DEFAULT NULL AFTER `evfolyam`;
ELSE
alter table vizsga modify `evfolyamJel` varchar(32) COLLATE utf8_hungarian_ci DEFAULT NULL;
END IF;
END $$
DELIMITER ; $$
CALL upgrade_database_3456();
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