MongoDB & Javascript how do i access an array of objects and match a specific key

Question

so i'm trying to match if the orders.id match by UserModel.find() then it should return that array.

https://i.sstatic.net/bNjgW.png

For example, I have two elements inside orders array, i need to check which one is equal to that id and then return that element that's equal to this. So it should return orders of index 0 and it's elements

I tried this:

userModel.find({ orders.id: orderID });

but it doesn't return the element

Felipe Esteves · Accepted Answer · 2020-03-26 21:43:15Z

1

First, I would add quotes to the field "order.id":

userModel.find({ "orders.id": orderID });

Second, I also see several spaces on the "ObjectId"

object ids with string at the end

So this object id seems to be stored wrong as well. Check the reason that stored those spaces at the end of the object id.

Just in case you may test this query on the Mongo Compass or any other client would like.

answered Mar 26, 2020 at 21:43

Felipe Esteves

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2 Comments

Yousef GH Over a year ago

It doesn't return that elements. It returns the whole user

prasad_ Over a year ago

You have to use the find method's projection parameter to return the only required fields.

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