How to update single record in mongodb from node.js

Question

I am using mongo db on nodejs. I am trying to update record by unique key. When I prepare arguments pro grammatically, getting failed. If I hard coded the set params, working fine.

How to create $set parameters in run time on node.js server.

code:

var collection = db.collection('test', function(err, collection) {

 var args = "{field1: 5}";

 collection.update({unique_key_field: val}, {$set: args}, w:1, function(e, r) {

  //always failed.
  // If I copy {field1: 5} at args place, it's updating properly.

 });;
});

tymeJV · Accepted Answer · 2014-09-09 19:50:13Z

1

args needs to be an actual object, not a stringified object:

var args = { field1: 5 };

answered Sep 9, 2014 at 19:50

tymeJV

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1 Comment

user3297351 Over a year ago

How to send multiple arguments to $set? any idea?

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