21 lines
479 B
SQL
21 lines
479 B
SQL
DELIMITER $$
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CREATE OR REPLACE DEFINER=`root`@`localhost` FUNCTION `vn`.`intrastat_estimateNet`(vIntrastat INT, vUnidades INT)
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RETURNS double
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DETERMINISTIC
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BEGIN
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DECLARE vNet DOUBLE;
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SELECT ROUND(vUnidades / (SUM(media) / COUNT(media)), 2) INTO vNet
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FROM (SELECT *, unidades / neto media
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FROM vn2008.intrastat_data
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WHERE intrastat_id = vIntrastat
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AND neto
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AND unidades > 0
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ORDER BY odbc_date DESC
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LIMIT 20) t;
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RETURN vNet/2;
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END$$
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DELIMITER ; |