Query without condition in MongoDB + C#

Question

I'm trying to use the collection.FindAndModify and give it a IMongoQuery which selects all the documents. But I can not find how to create a query without any conditions!

Can anyone tell me how to do this? I'm using MongoDB C# Driver v1.8.3.

Here's my code:

var query = ???;
var sortBy = SortBy.Ascending(new string[] { "last_update" });
var update = Update<Entity>.Set(e => e.last_update, DateTime.Now);
var fields = Fields.Include(new string[] { "counter", "_id" });
var m = collection.FindAndModify(query, sortBy, update, fields, false, false);

I wonder what should I write in place of ??? to select all the documents!?

JohnnyHK · Accepted Answer · 2013-10-05 14:48:28Z

1

Use an empty QueryDocument:

var query = new QueryDocument();

But keep in mind that FindAndModify will only modify the first matching document.

answered Oct 5, 2013 at 14:48

JohnnyHK

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1 Comment

Mehran Over a year ago

Thanks, and the thing about FindAndModify I knew that and it is wanted.

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