56 lines
1.8 KiB
MySQL
56 lines
1.8 KiB
MySQL
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DELIMITER $$
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CREATE OR REPLACE DEFINER=`root`@`localhost` FUNCTION `vn`.`routeProposal`(vTicketFk INT)
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RETURNS int(11)
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NOT DETERMINISTIC
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READS SQL DATA
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BEGIN
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DECLARE vRouteFk INT;
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DECLARE vAddressFk INT;
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DECLARE vLanded DATE;
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DECLARE vZoneFk INT;
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DECLARE vSignificativeFriendship INT DEFAULT 6;
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DECLARE vVolumeMax DECIMAL(5,1) DEFAULT 10;
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SELECT addressFk, zoneFk, landed INTO vAddressFk, vZoneFk, vLanded
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FROM vn.ticket
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WHERE id = vTicketFk;
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-- Se inicia la selección de rutas posibles con aquellas cuyas agencias alguna vez han estado asociadas con nuestra zona
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DROP TEMPORARY TABLE IF EXISTS tmp.route;
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CREATE TEMPORARY TABLE tmp.route
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SELECT r.id routeFk,
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zf.friendship zoneFriendship
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FROM vn.route r
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JOIN cache.zoneAgencyFriendship zf ON zf.agencyModeFk = r.agencyModeFk
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WHERE friendship >= vSignificativeFriendship
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AND zf.zoneFk = vZoneFk
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AND r.created = vLanded
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ORDER BY friendship;
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-- Se eliminan aquellas que superan el volumen máximo
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DELETE r.*
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FROM tmp.route r
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JOIN (SELECT routeFk, sum(volume) volume
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FROM vn.saleVolume
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WHERE landed = vLanded
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GROUP BY routeFk) sub ON sub.routeFk = r.routeFk
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WHERE sub.volume > vVolumeMax;
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-- Se ordenan las que quedan en función con la afinidad del resto de consignatarios de cada ruta
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SELECT routeFk INTO vRouteFk
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FROM
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(SELECT r.routeFk, r.zoneFriendship, sum(af.friendship) friendshipSum
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FROM tmp.route r
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LEFT JOIN vn.ticket t ON t.routeFk = r.routeFk
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LEFT JOIN cache.addressFriendship af ON af.addressFk2 = t.addressFk AND af.addressFk1 = vAddressFk
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GROUP BY routeFk
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ORDER BY zoneFriendship DESC, friendshipSum DESC
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) sub
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LIMIT 1;
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RETURN vRouteFk;
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END$$
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DELIMITER ;
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