USE [CWLDATEN_MEDP]

-- T-SQL Abfrage zur Ermittlung von Lagerstandsdifferenzen (Lagerstand zu Lagerortstruktur)
-- Stand: MK // 05.11.2021
-- Stand: TF // 08.11.2021

DECLARE
	@ProductCount       INT				= 0,
	@ProductNumber      VARCHAR(30)		= 0,
	@ProductStock1      INT				= 0,
	@ProductStock2      INT				= 0,
	@ProductStockDiff   INT				= 0,
	@WinLineMandantor	VARCHAR(4)		= 'MEDP',
	@WinLineYear        INT				= 1452,
	@ProductName      VARCHAR(200)		= 0;

DECLARE @TABLE  as TABLE(ProductNumber VARCHAR(100), ProductName VARCHAR(200))
DECLARE @TABLE2 as TABLE(ProductNumber VARCHAR(100), ProductName VARCHAR(200), ProductStockDiff INT)

INSERT INTO @TABLE      (ProductNumber,ProductName)
                        select DISTINCT c011,c003
                        from v021
                        where c014 = 0
                          and c011 is not null --LIKE 'PL%'
                          and c038 is null
                          and mesocomp = @WinLineMandantor and mesoyear = @WinLineYear;

Set @ProductCount = (select count(ProductNumber) from @Table)

PRINT '--------------------------------------'
PRINT 'Found ' + convert(varchar(100),@ProductCount) + ' Products!'
PRINT '--------------------------------------'

DECLARE CURSOR_PRODUCT_RESTOCK CURSOR FOR
        SELECT ProductNumber, ProductName
        FROM @TABLE
        OPEN CURSOR_PRODUCT_RESTOCK
            FETCH NEXT FROM CURSOR_PRODUCT_RESTOCK INTO @ProductNumber,@ProductName
            WHILE @@FETCH_STATUS = 0
                BEGIN
                    PRINT 'Processing ProductNumber: ' + @ProductNumber
                    SET @ProductStock1        = 0
                    SET @ProductStock2        = 0
                    SET @ProductStockDiff    = 0

                    select @ProductStock1 = ((t030.c008-t030.c009)-t030.c044)
                    from t030 -- = Tabellenbezeichnung: Artikel Lagerwerte
					inner join v021 on t030.c015 = v021.c091 and t030.mesocomp = v021.mesocomp and t030.mesoyear = v021.mesoyear
                    where t030.c015 = @ProductNumber
                      and t030.mesocomp = @WinLineMandantor and t030.mesoyear = @WinLineYear
					  and v021.c079 <> 1
					  and v021.c178 <> 0

                     --IF (@ProductStock1 < 0)
                       -- SET @ProductStock1 = 0;

                    select    @ProductStock2 = SUM(t299.c011)
                    from    t299 -- = Tabellenbezeichnung: Artikelstamm Lagerorte
					inner join v021 on t299.c000 = v021.c002 and t299.mesocomp = v021.mesocomp and t299.mesoyear = v021.mesoyear
                    where    t299.c000 = @ProductNumber
                     and t299.mesocomp = @WinLineMandantor and t299.mesoyear = @WinLineYear
					 and v021.c079 <> 1
					 and v021.c178 <> 0

                   --  IF (@ProductStock2 < 0)
                   --     SET @ProductStock2 = 0;

                    IF (@ProductStock1 <> @ProductStock2)
                        BEGIN
                            Set @ProductStockDiff = @ProductStock1 - @ProductStock2
                            PRINT 'ProductStock1 from T030: '    + convert(varchar(100), @ProductStock1)
                            PRINT 'ProductStock2 from T299: '    + convert(varchar(100), @ProductStock2)
                            PRINT 'ProductStockDiff: '           + convert(varchar(100), @ProductStockDiff)
                            INSERT INTO @TABLE2 (ProductNumber, ProductName, ProductStockDiff) values (@ProductNumber,@ProductName, @ProductStockDiff);
                        END
                    PRINT '--------------------------------------'

                FETCH NEXT FROM CURSOR_PRODUCT_RESTOCK INTO @ProductNumber, @ProductName

            END
          CLOSE CURSOR_PRODUCT_RESTOCK
    DEALLOCATE CURSOR_PRODUCT_RESTOCK

    SELECT * FROM @TABLE2