38 lines
786 B
MySQL
38 lines
786 B
MySQL
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DELIMITER $$
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CREATE OR REPLACE DEFINER=`root`@`localhost` FUNCTION `vn`.`hasAnyNegativeBase`()
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RETURNS tinyint(1)
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DETERMINISTIC
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BEGIN
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/* Calcula si existe alguna base imponible negativa
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* Requiere la tabla temporal tmp.ticketToInvoice(id)
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*
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* returns BOOLEAN
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*/
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DECLARE hasAnyNegativeBase BOOLEAN;
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DROP TEMPORARY TABLE IF EXISTS tmp.ticket;
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CREATE TEMPORARY TABLE tmp.ticket
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(KEY (ticketFk))
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ENGINE = MEMORY
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SELECT id ticketFk
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FROM tmp.ticketToInvoice;
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CALL ticket_getTax(NULL);
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SELECT COUNT(*) INTO hasAnyNegativeBase
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FROM(
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SELECT SUM(taxableBase) as taxableBase
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FROM tmp.ticketTax
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GROUP BY pgcFk
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HAVING taxableBase < 0
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) t;
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DROP TEMPORARY TABLE tmp.ticketTax;
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DROP TEMPORARY TABLE tmp.ticket;
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RETURN hasAnyNegativeBase;
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END$$
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DELIMITER ;
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