Mongoose query for ID using an array

Question

I want to query MongoDB using Mongoose with an array of objectIDs. I am not sure how to do this and also get back the 'name' property that is on the root of each document. I've looked online and can't seem to get it working. Below are two things I have tried that might be close but don't work.

{ _id: { 
    $in : ['5d193a4826540f7a89757f1d']
  }
}
{ "name" : { 
    id: { 
        $in : ['5d193a4826540f7a89757f1d', '5d8c104d0f867b753d1f506c']
    } 
}}

Daniyal Lukmanov · Accepted Answer · 2019-09-26 17:06:43Z

2

First make ObjectIds from your strings:

const ids = ['5d193a4826540f7a89757f1d', '5d8c104d0f867b753d1f506c'];
const queryIds = ids.map(item => ObjectId(item));

Then find needed documents of your collection and set name: 1 to get only name (and _id by default):

collection.find({"_id": {$in : queryIds}}, {name: 1});

answered Sep 26, 2019 at 17:06

Daniyal Lukmanov

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