Tuesday, 20 August 2013

Use field from previous query result in another query in mongodb

Use field from previous query result in another query in mongodb

I have below query, in 2nd query I get null for que.name.
var que = db.que.find({ _id: u.que_id }, {name:1})
db.documents.update(u, {$set: {que_name: que.name}})
I can see data for que as below
{ "_id" : "general", "name" : "General" }
but no data for que.name. What's wrong?

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