23 lines
571 B
MySQL
23 lines
571 B
MySQL
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DELIMITER $$
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CREATE OR REPLACE DEFINER=`root`@`localhost` FUNCTION `vn`.`collection_isPacked`(vSelf INT)
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RETURNS tinyint(1)
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DETERMINISTIC
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BEGIN
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/**
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* Check if collection is packed.
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*
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* @param vSelf the collection to check
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* @return true if the collection is packed
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*/
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DECLARE vTicketsWithoutExpeditions INT;
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SELECT (COUNT(*) > 0) INTO vTicketsWithoutExpeditions
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FROM vn.ticketCollection tc
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LEFT JOIN vn.expedition e ON e.ticketFk = tc.ticketFk
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WHERE tc.collectionFk = vSelf
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AND ISNULL(e.id);
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RETURN NOT vTicketsWithoutExpeditions;
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END$$
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DELIMITER ;
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