121 lines
3.7 KiB
SQL
121 lines
3.7 KiB
SQL
CREATE OR REPLACE FUNCTION bomQtyOnHand
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(
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Product_ID IN NUMBER,
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Warehouse_ID IN NUMBER,
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Locator_ID IN NUMBER -- Only used, if warehouse is null
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)
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RETURN NUMBER
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/******************************************************************************
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* ** Adempiere Product ** Copyright (c) 1999-2001 Accorto, Inc. USA
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* Open Source Software Provided "AS IS" without warranty or liability
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* When you use any parts (changed or unchanged), add "Powered by Adempiere" to
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* your product name; See license details http://www.adempiere.org/license.html
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******************************************************************************
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* Return quantity on hand for BOM
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*/
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AS
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myWarehouse_ID NUMBER;
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Quantity NUMBER := 99999; -- unlimited
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IsBOM CHAR(1);
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IsStocked CHAR(1);
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ProductType CHAR(1);
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ProductQty NUMBER;
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StdPrecision NUMBER;
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-- Get BOM Product info
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CURSOR CUR_BOM IS
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SELECT b.M_ProductBOM_ID, b.BOMQty, p.IsBOM, p.IsStocked, p.ProductType
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FROM M_Product_BOM b, M_Product p
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WHERE b.M_ProductBOM_ID=p.M_Product_ID
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AND b.M_Product_ID=Product_ID;
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--
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BEGIN
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-- Check Parameters
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myWarehouse_ID := Warehouse_ID;
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IF (myWarehouse_ID IS NULL) THEN
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IF (Locator_ID IS NULL) THEN
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RETURN 0;
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ELSE
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SELECT SUM(M_Warehouse_ID) INTO myWarehouse_ID
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FROM M_Locator
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WHERE M_Locator_ID=Locator_ID;
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END IF;
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END IF;
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IF (myWarehouse_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=' || myWarehouse_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 IsBOM, ProductType, IsStocked
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FROM M_Product
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WHERE M_Product_ID=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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-- Unimited capacity if no item
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IF (IsBOM='N' AND (ProductType<>'I' OR IsStocked='N')) THEN
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RETURN Quantity;
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-- Stocked item
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ELSIF (IsStocked='Y') THEN
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-- Get ProductQty
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SELECT NVL(SUM(QtyOnHand), 0)
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INTO ProductQty
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FROM M_Storage s
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WHERE M_Product_ID=Product_ID
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AND EXISTS (SELECT * FROM M_Locator l WHERE s.M_Locator_ID=l.M_Locator_ID
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AND l.M_Warehouse_ID=myWarehouse_ID);
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--
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-- DBMS_OUTPUT.PUT_LINE('Qty=' || ProductQty);
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RETURN ProductQty;
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END IF;
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-- Go though BOM
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-- DBMS_OUTPUT.PUT_LINE('BOM');
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FOR bom IN CUR_BOM LOOP
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-- Stocked Items "leaf node"
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IF (bom.ProductType = 'I' AND bom.IsStocked = 'Y') THEN
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-- Get ProductQty
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SELECT NVL(SUM(QtyOnHand), 0)
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INTO ProductQty
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FROM M_Storage s
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WHERE M_Product_ID=bom.M_ProductBOM_ID
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AND EXISTS (SELECT * FROM M_Locator l WHERE s.M_Locator_ID=l.M_Locator_ID
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AND l.M_Warehouse_ID=myWarehouse_ID);
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-- Get Rounding Precision
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SELECT NVL(MAX(u.StdPrecision), 0)
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INTO 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=bom.M_ProductBOM_ID;
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-- How much can we make with this product
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ProductQty := ROUND (ProductQty/bom.BOMQty, StdPrecision);
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-- How much can we make overall
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IF (ProductQty < Quantity) THEN
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Quantity := ProductQty;
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END IF;
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-- Another BOM
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ELSIF (bom.IsBOM = 'Y') THEN
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ProductQty := bomQtyOnHand (bom.M_ProductBOM_ID, myWarehouse_ID, Locator_ID);
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-- How much can we make overall
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IF (ProductQty < Quantity) THEN
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Quantity := ProductQty;
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END IF;
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END IF;
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END LOOP; -- BOM
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IF (Quantity > 0) THEN
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-- Get Rounding Precision for Product
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SELECT NVL(MAX(u.StdPrecision), 0)
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INTO 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=Product_ID;
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--
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RETURN ROUND (Quantity, StdPrecision);
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END IF;
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RETURN 0;
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END bomQtyOnHand;
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/
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