18 lines
421 B
MySQL
18 lines
421 B
MySQL
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DELIMITER $$
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CREATE OR REPLACE DEFINER=`root`@`localhost` PROCEDURE `hedera`.`image_unref`(
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vCollection VARCHAR(255),
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vName VARCHAR(255)
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)
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BEGIN
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/**
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* Decreases the reference count of an image.
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*
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* @param vCollection The collection name
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* @param vName The image name
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*/
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UPDATE image SET nRefs = GREATEST(CAST(nRefs AS SIGNED) - 1, 0)
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WHERE `name` = vName
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AND collectionFk = vCollection;
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END$$
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DELIMITER ;
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