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

DELIMITER $$
CREATE OR REPLACE DEFINER=`root`@`localhost` PROCEDURE `vn`.`item_getSimilar`(
	vSelf INT,
	vWarehouseFk INT,
	vDated DATE,
	vShowType BOOL
)
BEGIN
/**
* Propone articulos disponibles ordenados, con la cantidad
* de veces usado y segun sus caracteristicas.
*
* @param vSelf Id de artículo
* @param vWarehouseFk Id de almacen
* @param vDated Fecha
* @param vShowType Mostrar tipos
*/
	DECLARE vCalcFk INT;
	DECLARE vTypeFk INT;
	DECLARE vPriority INT DEFAULT 1;

	CALL cache.available_refresh(vCalcFk, FALSE, vWarehouseFk, vDated);

	-- Añadido temporalmente para que no se cuelgue la db
	SET vShowType = TRUE;

	WITH itemTags AS (
		SELECT i.id,
				typeFk,
				tag5,
				value5,
				tag6,
				value6,
				tag7,
				value7,
				tag8,
				value8,
				t.name,
				it.value
			FROM vn.item i
				LEFT JOIN vn.itemTag it ON it.itemFk = i.id
					AND it.priority = vPriority
				LEFT JOIN vn.tag t ON t.id = it.tagFk
			WHERE i.id = vSelf
	)
	SELECT i.id itemFk,
			i.longName,
			i.subName,
			i.tag5,
			i.value5,
			(i.value5 <=> its.value5) match5,
			i.tag6,
			i.value6,
			(i.value6 <=> its.value6) match6,
			i.tag7,
			i.value7,
			(i.value7 <=> its.value7) match7,
			i.tag8,
			i.value8,
			(i.value8 <=> its.value8) match8,
			a.available,
			IFNULL(ip.counter, 0) `counter`,
			CASE
				WHEN b.groupingMode = 'grouping' THEN b.grouping
				WHEN b.groupingMode = 'packing' THEN b.packing
				ELSE 1
			END AS minQuantity,
			iss.visible located,
			b.price2
		FROM vn.item i
			JOIN cache.available a ON a.item_id = i.id
				AND a.calc_id = vCalcFk
			LEFT JOIN vn.itemProposal ip ON ip.mateFk = i.id
				AND ip.itemFk = vSelf
			LEFT JOIN vn.itemTag it ON it.itemFk = i.id
				AND it.priority = vPriority
			LEFT JOIN vn.tag t ON t.id = it.tagFk
			LEFT JOIN cache.last_buy lb ON lb.item_id = i.id
				AND lb.warehouse_id = vWarehouseFk
			LEFT JOIN vn.buy b ON b.id = lb.buy_id
			LEFT JOIN vn.itemShelvingStock iss ON iss.itemFk = i.id
				AND iss.warehouseFk = vWarehouseFk
			JOIN itemTags its
		WHERE a.available > 0
			AND (i.typeFk = its.typeFk OR NOT vShowType)
			AND i.id <> vSelf
		ORDER BY `counter` DESC,
			(t.name = its.name) DESC,
			(it.value = its.value) DESC,
			(i.tag5 = its.tag5) DESC,
			match5 DESC,
			(i.tag6 = its.tag6) DESC,
			match6 DESC,
			(i.tag7 = its.tag7) DESC,
			match7 DESC,
			(i.tag8 = its.tag8) DESC,
			match8 DESC
		LIMIT 100;
END$$
DELIMITER ;