reactivemongo.api.commands.AggregationFramework
Performs an uncorrelated lookup .
MongoDB 3.6
Lookup
the collection to perform the join with
the variables to use in the pipeline field stages
the pipeline to run on the joined collection
the name of the new array field to add to the input documents
(Since version ) see corresponding Javadoc for more information.
Performs an uncorrelated lookup .
MongoDB 3.6
Lookup