31 lines
766 B
MySQL
31 lines
766 B
MySQL
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DELIMITER $$
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CREATE OR REPLACE DEFINER=`root`@`localhost` FUNCTION `vn`.`hasSomeNegativeBase`(vTicket INT)
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RETURNS tinyint(1)
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NOT DETERMINISTIC
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READS SQL DATA
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BEGIN
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DECLARE vCountry INT;
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DECLARE hasSomeNegativeBase BOOLEAN;
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SELECT s.countryFk
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INTO vCountry
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FROM supplier s
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JOIN ticket t ON t.companyFk = s.id
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WHERE t.id = vTicket;
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SELECT COUNT(*) INTO hasSomeNegativeBase
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FROM (
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SELECT SUM(ROUND(s.quantity * s.price * (100 - s.discount)/100,2)) taxableBase
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FROM sale s
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JOIN item i ON i.id = s.itemFk
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JOIN itemTaxCountry itc
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ON itc.itemFk = i.id AND itc.countryFk = vCountry
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WHERE s.ticketFk = vTicket
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GROUP BY itc.taxClassFk
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HAVING taxableBase < 0
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) t1 ;
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RETURN hasSomeNegativeBase;
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END$$
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DELIMITER ;
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