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DELIMITER $$
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CREATE OR REPLACE DEFINER=`root`@`localhost` TRIGGER `hedera`.`news_afterUpdate`
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AFTER UPDATE ON `news`
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FOR EACH ROW
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BEGIN
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IF !(NEW.image <=> OLD.image) THEN
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CALL image_unref('news', OLD.image);
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CALL image_ref('news', NEW.image);
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END IF;
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END$$
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DELIMITER ;
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