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mongoDb noSql invalid property id

Guest User

5y845SQL

im getting invalid property id.. cant find the wrong entry

2 Replies

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Sachin Singh5y ago
Accepted answer
test this
db.itemparent.aggregate([

   {

     $lookup:

       {

         from: "inventorychild",

         localField: "_id",

         foreignField: "item_id",

         as: "stocks"

       }

  },

{ $match: { item_category: "Bag" } },

])
Amit Gupta5y ago
I am not a mongodb expert but when you pass ITEM_CATEGORY as an argument, it shouldn't be under double quotes. Please rectify and then try.