How to locate the most recent date within a MongoDB collection

I need assistance in finding the most recent date within a collection. The date follows this format: YYYY-MM-DD. For example: 

{ "release" : "2014-09-25", "desc" : "Test1", "status" : "ok", "_id" : "…" }
{ "release" : "2014-09-26", "desc" : "Test2", "status" : "ok", "_id" : "…" }
{ "release" : "2014-09-27", "desc" : "Test3", "status" : "ok", "_id" : "…" }

The desired output should be:

{ "release" : "2014-09-27", "desc" : "Test3", "status" : "ok", "_id" : "…" }

I am curious if there is a specific mongoDB operator for this scenario, or if I have to retrieve all documents and iterate through them?

Any guidance on this matter would be highly appreciated.

javascriptmongodbdate

Answer №1

If you are currently storing dates as a String, it is recommended to convert them into date objects so that you can easily sort them using MongoDB's sorting function.

Learn more about sorting in MongoDB here

db.collection.find().sort( { date: -1 } ).limit(1)

To store dates using moment.js, check out this helpful link: Inserting a momentjs object in Meteor Collection

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