Inkludera kolumnen ProcPOAmdDel_ChallanQty i källtabellen, dvs. temp
MERGE PurProcessPOAmendmentDelivery AS pod
USING (SELECT ProcPOAmdDel_ProcessAmendmentId,
rocPOAmdDel_SemiFinProdId,
ProcPOAmdDel_ChallanQty
FROM #TempTable ) AS temp
ON pod.ProcPOAmdDel_ProcessAmendmentId = temp.ProcPOAmdDel_ProcessAmendmentId AND
pod.ProcPOAmdDel_SemiFinProdId=temp.ProcPOAmdDel_SemiFinProdId
WHEN MATCHED THEN
UPDATE SET pod.ProcPOAmdDel_ChallanQty = temp.ProcPOAmdDel_ChallanQty;