Kunok Kunok - 1 year ago 62
Javascript Question

How to store large amount of messages for users in MongoDB?

I need to run my cron scripts to update/insert (upsert) threads (emails) for each user. I have collection that is structured such as:

"id" : ObjectId("57d7fc5fd34228c47059"),
"id" : "userid",
"primaryEmail" : "user@mail.com",
"threads_list" : [

"_id" : ObjectId("57d7346a73d128c47059"),
"id" : "uderid",
"primaryEmail" : "user2@mail.com",
"threads_list" : [


I want to store threads into
. But I also want to update them if they already exist or just skip it if it hasn't change since last upsert, just like I would create collection for each user and update emails stored inside with
method that has

I don't mind changing
attribute into object type if necessary.

How is that done properly?

Answer Source

Try this code

          { _id:user.id, 
            $set: {'primaryEmail': newEmail} 
          { $addToSet: { 'threads_list': { $each: resp.labels } } }
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