Question 116236 in Mongodb Question posted in
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MongoDB: filter (findOne/updateOne..) by ObjectId not working or "ObjectId is not defined"

None of the following filters worked when I tried to update a document, in JS/Node.js filtered by "_id", where the value is the generic ObjectId (ObjectId('6365050650c6be6d5d090135')) :

{_id : ObjectId(123....7890)}
{_id : ObjectId('123....7890')}
{_id : "ObjectId('123....7890')"}
+ other variantions I came across

Nothing worked for me. I got ReferenceError: ObjectId is not defined or no errors.

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2

Answers


  1. Chosen as BEST ANSWER
    0

    You need to be able to spawn new ObjectIds, so enable that first:

    import { MongoClient, ObjectId } from "mongodb";

    and filter like this:

    {_id : new ObjectId('123....7890')}

    enter image description here

    Actually this is what MongoDB Compass "exports to language" (see screenshot above) when you filter

    {_id: ObjectId('123....7890')}

    I am pretty sure this is obvious to many, but it took me quite a while to resolve it, so I hope this saves you some time.


  2. 0

    Either use ObjectId from mongodb client like so:

    import { ObjectId } from "mongodb";

{ _id: new ObjectId('6365050650c6be6d5d090135')}

    or if you are using mongoose then:

    { _id: mongoose.Schema.Types.ObjectId('6365050650c6be6d5d090135') }

    or with mongoose you can directly pass in the objectid string and the mongoose model will handle it for you like so:

    { _id: '6365050650c6be6d5d090135' }

    I am not sure if the above possible can be done with mongodb client too.

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