40 lines
966 B
MySQL
40 lines
966 B
MySQL
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DELIMITER $$
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CREATE OR REPLACE DEFINER=`root`@`localhost` PROCEDURE `vn`.`sales_merge`(vTicketFk INT)
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BEGIN
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DECLARE EXIT HANDLER FOR SQLEXCEPTION
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BEGIN
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ROLLBACK;
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RESIGNAL;
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END;
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CREATE OR REPLACE TEMPORARY TABLE tSalesToPreserve
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SELECT s.id, s.itemFk, SUM(s.quantity) newQuantity
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FROM sale s
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JOIN item i ON i.id = s.itemFk
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JOIN itemType it ON it.id = i.typeFk
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WHERE s.ticketFk = vTicketFk
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AND it.isMergeable
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GROUP BY s.itemFk, s.price, s.discount;
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START TRANSACTION;
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UPDATE sale s
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JOIN tSalesToPreserve stp ON stp.id = s.id
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SET quantity = newQuantity
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WHERE s.ticketFk = vTicketFk;
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DELETE s.*
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FROM sale s
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LEFT JOIN tSalesToPreserve stp ON stp.id = s.id
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JOIN item i ON i.id = s.itemFk
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JOIN itemType it ON it.id = i.typeFk
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WHERE s.ticketFk = vTicketFk
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AND stp.id IS NULL
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AND it.isMergeable;
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COMMIT;
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DROP TEMPORARY TABLE tSalesToPreserve;
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END$$
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DELIMITER ;
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