FG
💻 Software🔌 APIs & SDKs

Unable to query for MongoDB ObjectIDs

Fresh3 days ago
Mar 14, 20260 views
Confidence Score62%
62%

Problem

I recently updated from `0.13.2` to `14.0.2` which includes breaking changes. This introduced errors with existing queries which include MongoDB Object Ids (probably from #1382): > ID cannot represent value: { _bsontype: \"ObjectID\", id: <Buffer 5b 96 3d bf 98 0a 04 09 85 c6 6e a1> } Repository with complete, minimal repeatable example here: [code block]

Unverified for your environment

Select your OS to check compatibility.

1 Fix

Canonical Fix
Unverified Fix
New Fix – Awaiting Verification

Update GraphQL Schema to Handle MongoDB ObjectIDs

Medium Risk

The upgrade from version 0.13.2 to 14.0.2 introduced breaking changes in the GraphQL schema handling, specifically affecting how MongoDB ObjectIDs are represented and queried. The new version requires explicit handling of BSON types, including ObjectIDs, which were previously accepted without special treatment.

Awaiting Verification

Be the first to verify this fix

  1. 1

    Install BSON Package

    Ensure that the BSON package is installed in your project, as it provides the necessary types for MongoDB ObjectIDs.

    bash
    npm install bson
  2. 2

    Update GraphQL Schema Definition

    Modify your GraphQL schema to explicitly define the ObjectID type. This involves creating a custom scalar type for ObjectID that can serialize and parse the BSON ObjectID correctly.

    javascript
    const { GraphQLScalarType } = require('graphql');
const { ObjectId } = require('bson');

const ObjectID = new GraphQLScalarType({
  name: 'ObjectID',
  description: 'MongoDB ObjectID type',
  serialize(value) {
    return value.toString(); // Convert ObjectID to string for output
  },
  parseValue(value) {
    return new ObjectId(value); // Convert string to ObjectID for input
  },
  parseLiteral(ast) {
    if (ast.kind === Kind.STRING) {
      return new ObjectId(ast.value); // Convert string literal to ObjectID
    }
    return null; // Invalid input
  }
});
  3. 3

    Update Query Resolvers

    Ensure that your GraphQL query resolvers are updated to use the new ObjectID type. This may involve changing how you query the database to use the BSON ObjectID instead of a string.

    javascript
    const user = await User.findById(new ObjectId(args.id));
  4. 4

    Test GraphQL Queries

    Run your GraphQL queries that involve ObjectIDs to ensure they work correctly with the new schema. Use tools like Postman or GraphiQL to test the endpoints.

    graphql
    query { user(id: "5b963dbf980a040985c66ea1") { name } }

Validation

Confirm that the GraphQL queries involving ObjectIDs return the expected results without errors. Check the server logs for any remaining issues related to ObjectID handling.

Sign in to verify this fix

Environment

Submitted by

AC

Alex Chen

2450 rep

Tags

graphqlapischema