reactivemongo.api.commands.AggregationFramework
Turns a document with an array into multiple documents, one document for each element in the array.
Turns a document with an array into multiple documents, one document for each element in the array.
the field path to an array field (without the $
prefix)
the name of a new field to hold the array index of the element
MongoDB 3.2
Turns a document with an array into multiple documents, one document for each element in the array.
Turns a document with an array into multiple documents, one document for each element in the array. http://docs.mongodb.org/manual/reference/aggregation/unwind/#_S_unwind
the name of the array to unwind