Bulk write/operations in Realm Node JS SDK?

Jean-Baptiste_Beau · August 6, 2021, 9:44am

I’m trying to perform bulk operations in the Realm Node JS SDK (10.6.1), but it seems all the functions are gone.

When trying collection.bulkWrite(...) or collection.initializeOrderedBulkOp(), I get a type errors:

TypeError: collection.bulkWrite is not a function
TypeError: collection.initializeOrderedBulkOp is not a function.

Looking at the collection class, it seems indeed that those function do not exist:

realm/realm-js/blob/469856a90e61fbc1bb1336d6d73a55dcbef75bb6/lib/mongo-client.js

////////////////////////////////////////////////////////////////////////////
//
// Copyright 2020 Realm Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
////////////////////////////////////////////////////////////////////////////

const { EJSON } = require("bson");
const { DefaultNetworkTransport } = require("realm-network-transport");

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But then how do you perform bulk operations?

It’s worth noting that the documentation about this is a mess, as this page explains how to use the bulkWrite method, and this one states that the bulkWrite method is not supported by MongoDB Realm.

Jean-Baptiste_Beau · August 13, 2021, 1:44pm

RealmJS team, is bulkWrite indeed supported or have I missed something?

nlarew · August 13, 2021, 2:34pm

Hey Jean-Baptiste,

The Realm SDKs do not support the MongoDB Bulk Write API. Those docs pages you linked are specifically for server-side functions, not the SDKs. For now, if you need to do bulk writes you can write that logic in a function and then call that function from the SDK.

Sorry about the confusion from the conflicting docs - we’re aware of it and should have a fix out sometime next week.

Jean-Baptiste_Beau · August 13, 2021, 2:38pm

Hey Nick,

Thanks for the clarification and for the workaround!

It would be cool to support this in the SDK, for server-side applications. I hope it’ll be added sometime in the future.

system · August 18, 2021, 2:39pm

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