========     Item to QC Templet Link   ===============

========    ~/mdm/ItemMaster/qcTempLink/   ===============

db.EvolveItem.aggregate([
                 {
                    "$lookup": {
                        "from": "EvolveItem",
                        "localField": "EvolveItem_DefaultPlanningData.EvolveQCTemplete_ID",
                        "foreignField": "_id",
                        "as": "EvolveItem_DefaultPlanningData.EvolveQCTemplete_ID",

                    }
                },
                {
                    $unwind: {
                        path: "$EvolveQCTemplete_ID",
                        preserveNullAndEmptyArrays: true
                    }
                },
                {"$match": {} }
])

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