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DELIMITER $$
DROP PROCEDURE IF EXISTS upgrade_database_4367 $$
CREATE PROCEDURE upgrade_database_4367()
BEGIN
SET NAMES utf8 COLLATE utf8_hungarian_ci;
IF NOT EXISTS (SELECT * FROM information_schema.COLUMNS WHERE TABLE_SCHEMA=DATABASE() and TABLE_NAME='tankor' and COLUMN_NAME='tankorCn') THEN
ALTER TABLE `tankor` ADD `tankorCn` varchar(64) COLLATE utf8_hungarian_ci DEFAULT NULL;
END IF;
IF EXISTS (SELECT * FROM information_schema.COLUMNS WHERE TABLE_SCHEMA=DATABASE() and TABLE_NAME='tankor' and COLUMN_NAME='cn') THEN
UPDATE `tankor` SET `tankorCn` = `cn`;
ALTER TABLE `tankor` DROP `cn`;
END IF;
END $$
DELIMITER ;
CALL upgrade_database_4367();
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