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DELIMITER $$
DROP PROCEDURE IF EXISTS upgrade_database_4320 $$
CREATE PROCEDURE upgrade_database_4320()
BEGIN
SET NAMES utf8 COLLATE utf8_hungarian_ci;
IF NOT EXISTS (SELECT * FROM INFORMATION_SCHEMA.REFERENTIAL_CONSTRAINTS WHERE CONSTRAINT_NAME='diak_ibfk_6') THEN
UPDATE diak LEFT JOIN szulo ON (neveloId=szuloId) SET diak.neveloId=NULL WHERE diak.neveloId IS NOT NULL AND szulo.szuloId IS NULL;
ALTER TABLE diak ADD CONSTRAINT `diak_ibfk_6` FOREIGN KEY (`neveloId`) REFERENCES `szulo` (`szuloId`) ON DELETE SET NULL ON UPDATE SET NULL;
END IF;
IF NOT EXISTS (
SELECT * FROM information_schema.COLUMNS WHERE TABLE_SCHEMA=DATABASE() and TABLE_NAME='diak' AND COLUMN_NAME='beiratoId'
) THEN
ALTER TABLE `diak` ADD `beiratoId` int(10) unsigned DEFAULT NULL AFTER neveloId;
END IF;
IF NOT EXISTS (SELECT * FROM INFORMATION_SCHEMA.REFERENTIAL_CONSTRAINTS WHERE CONSTRAINT_NAME='diak_ibfk_7') THEN
UPDATE diak LEFT JOIN szulo ON (beiratoId=szuloId) SET diak.beiratoId=NULL WHERE diak.beiratoId IS NOT NULL AND szulo.szuloId IS NULL;
ALTER TABLE diak ADD CONSTRAINT `diak_ibfk_7` FOREIGN KEY (`beiratoId`) REFERENCES `szulo` (`szuloId`) ON DELETE SET NULL ON UPDATE SET NULL;
END IF;
END $$
DELIMITER ;
CALL upgrade_database_4320();
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