salix/db/routines/vn/procedures/absoluteInventoryHistory.sql

DELIMITER $$
CREATE OR REPLACE DEFINER=`root`@`localhost` PROCEDURE `vn`.`absoluteInventoryHistory`(
	vItemFk INT, vWarehouse INT, vDate DATETIME)
BEGIN
/**
* Calcula y proporciona un historial de inventario absoluto
* para un artículo específico en un almacén dado
* hasta una fecha determinada.
*
* @param vItemFk Id de artículo
* @param vWarehouse Almacén
* @param vDate Fecha
*/
	DECLARE vCalculatedInventory INT;
	DECLARE vToday DATETIME;
	
	SET vToday = util.VN_CURDATE();

	CREATE OR REPLACE TEMPORARY TABLE tHistoricalPast
		ENGINE = MEMORY
		SELECT *
			FROM (
				SELECT tr.landed `date`,
						b.quantity input,
						NULL `output`,
						(tr.isReceived != FALSE) ok,
						s.name alias,
						e.invoiceNumber reference,
						e.id id,
						tr.isDelivered f5
					FROM buy b
						JOIN `entry` e ON e.id = b.entryFk
						JOIN travel tr ON tr.id = e.travelFk
						JOIN supplier s ON s.id = e.supplierFk
					WHERE tr.landed >= '2001-01-01'
						AND s.id <> 4
						AND vWarehouse IN (tr.warehouseInFk, 0)
						AND b.itemFk = vItemFk
						AND NOT e.isExcludedFromAvailable
						AND NOT e.isRaid
				UNION ALL
				SELECT tr.shipped `date`,
						NULL input,
						b.quantity `output`,
						tr.isDelivered ok,
						s.name alias,
						e.invoiceNumber reference,
						e.id id,
						tr.isDelivered f5
					FROM buy b
						JOIN `entry` e ON e.id = b.entryFk
						JOIN travel tr ON tr.id = e.travelFk
						JOIN supplier s ON s.id = e.supplierFk
					WHERE tr.shipped >= '2001-01-01'
						AND vWarehouse = tr.warehouseOutFk
						AND s.id <> 4
						AND b.itemFk = vItemFk
						AND NOT e.isExcludedFromAvailable
						AND NOT e.isRaid
				UNION ALL
				SELECT t.shipped `date`,
						NULL input,
						m.quantity `output`,
						(m.isPicked <> 0 OR t.isLabeled <> 0 OR t.refFk IS NOT NULL) ok,
						t.nickname alias,
						t.refFk reference,
						t.id,
						t.isPrinted
					FROM sale m
						JOIN ticket t ON t.id = m.ticketFk
						JOIN client c ON c.id = t.clientFk
					WHERE t.shipped >= '2001-01-01'
						AND m.itemFk = vItemFk
						AND vWarehouse IN (t.warehouseFk , 0)
			) t1
			ORDER BY `date`, input DESC, ok DESC;

	SELECT sum(input) - sum(`output`) INTO vCalculatedInventory
		FROM tHistoricalPast
			WHERE `date` < vDate;

	SELECT p1.*, NULL v_virtual 
		FROM(
			SELECT vDate `date`,
				vCalculatedInventory input,
				NULL `output`,
				1 ok,
				'Inventario calculado' alias,
				'' reference,
				0 id,
				1 f5
			UNION ALL
			SELECT *
				FROM tHistoricalPast
					WHERE `date` >= vDate
			) p1;
	
	DROP TEMPORARY TABLE tHistoricalPast;
END$$
DELIMITER ;