DELIMITER $$
CREATE OR REPLACE DEFINER=`vn`@`localhost` PROCEDURE `vn`.`item_getMinacum`(
	vWarehouseFk TINYINT,
	vDated DATE,
	vRange INT,
	vItemFk INT
)
BEGIN
/**
 * Cálculo del mínimo acumulado, para un item/almacén
 * especificado, en caso de NULL para todos.
 *
 * @param vWarehouseFk Id warehouse
 * @param vDated Fecha inicio
 * @param vRange Número de días a considerar
 * @param vItemFk Id de artículo
 * @return tmp.itemMinacum
*/
	DECLARE vDatedTo DATETIME DEFAULT util.dayEnd(vDated + INTERVAL vRange DAY);

	CREATE OR REPLACE TEMPORARY TABLE tmp.itemCalc
		(INDEX (itemFk, warehouseFk))
		ENGINE = MEMORY
		SELECT sub.itemFk,
				sub.dated,
				CAST(SUM(sub.quantity) AS SIGNED) quantity,
				sub.warehouseFk
			FROM (
				SELECT s.itemFk,
						DATE(t.shipped) dated,
						-s.quantity quantity,
						t.warehouseFk
					FROM sale s
						JOIN ticket t ON t.id = s.ticketFk
					WHERE t.shipped BETWEEN vDated AND vDatedTo
						AND t.warehouseFk
						AND s.quantity <> 0
						AND (vItemFk IS NULL OR s.itemFk = vItemFk)
						AND (vWarehouseFk IS NULL OR t.warehouseFk = vWarehouseFk)
				UNION ALL
				SELECT b.itemFk,
						t.landed,
						b.quantity,
						t.warehouseInFk
					FROM buy b
						JOIN entry e ON e.id = b.entryFk
						JOIN travel t ON t.id = e.travelFk
					WHERE t.landed BETWEEN vDated AND vDatedTo
						AND (vWarehouseFk IS NULL OR t.warehouseInFk = vWarehouseFk)
						AND NOT e.isExcludedFromAvailable
						AND b.quantity <> 0
						AND (vItemFk IS NULL OR b.itemFk = vItemFk)
				UNION ALL
				SELECT b.itemFk,
						t.shipped,
						-b.quantity,
						t.warehouseOutFk
					FROM buy b
						JOIN entry e ON e.id = b.entryFk
						JOIN travel t ON t.id = e.travelFk
					WHERE t.shipped BETWEEN vDated AND vDatedTo
						AND (vWarehouseFk IS NULL OR t.warehouseOutFk = vWarehouseFk)
						AND NOT e.isExcludedFromAvailable
						AND b.quantity <> 0
						AND (vItemFk IS NULL OR b.itemFk = vItemFk)
						AND NOT t.daysInForward
				UNION ALL
				SELECT r.itemFk,
						r.shipment,
						-r.amount,
						r.warehouseFk
					FROM hedera.orderRow r
						JOIN hedera.`order` o ON o.id = r.orderFk
						JOIN client c ON c.id = o.customer_id
					WHERE r.shipment BETWEEN vDated AND vDatedTo
						AND (vWarehouseFk IS NULL OR r.warehouseFk = vWarehouseFk)
						AND r.created >= (
							SELECT util.VN_NOW() - INTERVAL TIME_TO_SEC(reserveTime) SECOND
								FROM hedera.orderConfig
						)
						AND NOT o.confirmed
						AND (vItemFk IS NULL OR r.itemFk = vItemFk)
						AND r.amount <> 0
				) sub
			GROUP BY sub.itemFk, sub.warehouseFk, sub.dated;

	CALL item_getAtp(vDated);

	CREATE OR REPLACE TEMPORARY TABLE tmp.itemMinacum
		(INDEX(itemFk))
		ENGINE = MEMORY
		SELECT itemFk,
				warehouseFk,
				quantity amount
			FROM tmp.itemAtp
			WHERE quantity <> 0;

	DROP TEMPORARY TABLE
		tmp.itemAtp,
		tmp.itemCalc;
END$$
DELIMITER ;