65 lines
1.6 KiB
PL/PgSQL
65 lines
1.6 KiB
PL/PgSQL
CREATE OR REPLACE FUNCTION prodqtyreserved(p_product_id numeric, p_warehouse_id numeric)
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RETURNS numeric AS
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$BODY$
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DECLARE
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v_Warehouse_ID numeric;
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v_Quantity numeric := 99999; -- unlimited
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v_IsBOM CHAR(1);
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v_IsStocked CHAR(1);
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v_ProductType CHAR(1);
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v_ProductQty numeric;
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v_StdPrecision int;
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BEGIN
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-- Check Parameters
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v_Warehouse_ID := p_Warehouse_ID;
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IF (v_Warehouse_ID IS NULL) THEN
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RETURN 0;
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END IF;
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-- DBMS_OUTPUT.PUT_LINE('Warehouse=' || v_Warehouse_ID);
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-- Check, if product exists and if it is stocked
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BEGIN
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SELECT IsBOM, ProductType, IsStocked
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INTO v_IsBOM, v_ProductType, v_IsStocked
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FROM M_PRODUCT
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WHERE M_Product_ID=p_Product_ID;
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--
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EXCEPTION -- not found
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WHEN OTHERS THEN
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RETURN 0;
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END;
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-- No reservation for non-stocked
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IF (v_IsStocked='Y') THEN
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-- Get ProductQty
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SELECT -1*COALESCE(SUM(MovementQty), 0)
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INTO v_ProductQty
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FROM M_ProductionLine p
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WHERE M_Product_ID=p_Product_ID AND MovementQty < 0 AND p.Processed = 'N'
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AND EXISTS (SELECT * FROM M_LOCATOR l WHERE p.M_Locator_ID=l.M_Locator_ID
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AND l.M_Warehouse_ID=v_Warehouse_ID);
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--
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RETURN v_ProductQty;
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END IF;
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-- Unlimited (e.g. only services)
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IF (v_Quantity = 99999) THEN
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RETURN 0;
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END IF;
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IF (v_Quantity > 0) THEN
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-- Get Rounding Precision for Product
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SELECT COALESCE(MAX(u.StdPrecision), 0)
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INTO v_StdPrecision
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FROM C_UOM u, M_PRODUCT p
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WHERE u.C_UOM_ID=p.C_UOM_ID AND p.M_Product_ID=p_Product_ID;
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--
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RETURN ROUND (v_Quantity, v_StdPrecision);
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END IF;
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RETURN 0;
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END;
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$BODY$
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LANGUAGE plpgsql STABLE
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;
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