29 lines
705 B
SQL
29 lines
705 B
SQL
DELIMITER $$
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CREATE OR REPLACE DEFINER=`root`@`localhost` FUNCTION `vn`.`travel_hasUniqueAwb`(
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vSelf INT
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)
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RETURNS BOOL
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READS SQL DATA
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BEGIN
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/**
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* Comprueba que el travel pasado tiene un AWB lógico,
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* no se pueden tener varios AWB asociados al mismo DUA
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*
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* @param vSelf Id del travel
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*/
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DECLARE vHasUniqueAwb BOOL DEFAULT TRUE;
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SELECT NOT COUNT(t2.awbFk) INTO vHasUniqueAwb
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FROM entry e
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JOIN travel t ON t.id = e.travelFk
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JOIN duaEntry de ON de.entryFk = e.id
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JOIN duaEntry de2 ON de2.duaFk = de.duaFk
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JOIN entry e2 ON e2.id = de2.entryFk
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JOIN travel t2 ON t2.id = e2.travelFk
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WHERE t.id = vSelf
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AND t2.awbFk <> t.awbFk;
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RETURN vHasUniqueAwb;
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END$$
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DELIMITER ;
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