31 lines
774 B
SQL
31 lines
774 B
SQL
DELIMITER $$
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CREATE OR REPLACE DEFINER=`root`@`localhost` FUNCTION `vn`.`routeProposal_`(vTicketFk INT)
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RETURNS int(11)
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NOT DETERMINISTIC
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READS SQL DATA
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BEGIN
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DECLARE vRouteFk INT;
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DECLARE vAddressFk INT;
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DECLARE vShipped DATETIME;
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SELECT addressFk, date(shipped) INTO vAddressFk, vShipped
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FROM vn.ticket
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WHERE id = vTicketFk;
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SELECT routeFk INTO vRouteFk
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FROM
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(SELECT t.routeFk, sum(af.friendship) friendshipSum
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FROM vn.ticket t
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JOIN cache.addressFriendship af ON af.addressFk2 = t.addressFk AND af.addressFk1 = vAddressFk
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WHERE t.shipped BETWEEN vShipped and MIDNIGHT(vShipped)
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AND t.routeFk
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GROUP BY routeFk
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ORDER BY friendshipSum DESC
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) sub
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LIMIT 1;
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RETURN vRouteFk;
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END$$
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DELIMITER ;
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