Hello guys My collection consist of nested documents.I have a query that look like this: mydb1.mongodbbucketright.find( {"samples.timestamp1": {"$gte": datetime.strptime("2010-01-01 00:05:00", "%Y-%m-%d %H:%M:%S"), "$lte": datetime.strptime("2015-01-01 00:05:00",…

In a query, $elemMatch will indicate entire document should be matched if any array element matches a particular condition. In a projection, $elemMatch indicates the first matching element of an array should be the only array element projected.

Find or aggregate in this type of query

Working with Data Drivers

harris (harris gekas) May 19, 2021, 12:23am 6

Elemmatch returns only the first subdocument that agrees with the condition?

Difference between elemmatch projection and elemmatch queryatch