24 lines
547 B
MySQL
24 lines
547 B
MySQL
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DELIMITER $$
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CREATE OR REPLACE DEFINER=`root`@`localhost` FUNCTION `vn`.`buy_getUnitVolume`(vSelf INT)
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RETURNS int(11)
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DETERMINISTIC
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BEGIN
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/**
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* Calculates the unit volume occupied by a buy.
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*
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* @param vSelf The buy id
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* @return The unit volume in cubic centimeters
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*/
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DECLARE vItem INT;
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DECLARE vPackaging VARCHAR(10);
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DECLARE vPacking INT;
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SELECT itemFk, packagingFk, packing
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INTO vItem, vPackaging, vPacking
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FROM buy
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WHERE id = vSelf;
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RETURN IFNULL(ROUND(item_getVolume(vItem, vPackaging) / vPacking), 0);
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END$$
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DELIMITER ;
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