29 lines
880 B
MySQL
29 lines
880 B
MySQL
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DELIMITER $$
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CREATE OR REPLACE DEFINER=`root`@`localhost` FUNCTION `vn`.`workerNigthlyHours_calculate`(vTimeIn DATETIME, vTimeOut DATETIME)
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RETURNS decimal(5,2)
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NOT DETERMINISTIC
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READS SQL DATA
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BEGIN
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/**
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* Calcula el número decimal de horas nocturnas comprendidas entre 2 horas dadas
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*
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* @param vTimeIn
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* @param vTimeOut
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* @return vNigthlyHours
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*/
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DECLARE vNigthlyHours DECIMAL(5,2);
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DECLARE vSecondsPerHour INT(4) DEFAULT 3600;
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SELECT GREATEST(0, TIMESTAMPDIFF(SECOND,
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IF(TIME(vTimeIn) BETWEEN endNightlyHours AND startNightlyHours,
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CONCAT(DATE(vTimeIn), ' ', startNightlyHours),
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vTimeIn),
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IF(TIME(vTimeOut) BETWEEN endNightlyHours AND startNightlyHours,
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CONCAT(DATE(vTimeOut), ' ', endNightlyHours),
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vTimeOut))) / vSecondsPerHour INTO vNigthlyHours
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FROM vn.workerTimeControlConfig;
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RETURN vNigthlyHours;
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END$$
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DELIMITER ;
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