org.mongodb.scala.model
Options to control the behavior of the $merge aggregation stage
$merge
2.7
The behavior of $merge if a result document and an existing document in the collection have the same value for the specified on field(s).
The behavior of /$merge if a result document does not match an existing document in the out collection.
/$merge
Options to control the behavior of the
$merge
aggregation stage2.7