Class MergeStageOptions<TOutput>

Namespace: MongoDB.Driver

Assembly: MongoDB.Driver.dll

Options for the $merge aggregation pipeline stage.

public class MergeStageOptions<TOutput>

Type Parameters

TOutput: The type of the output documents.

Inheritance: object

MergeStageOptions<TOutput>

Inherited Members: object.Equals(object)

object.Equals(object, object)

object.GetHashCode()

object.GetType()

object.MemberwiseClone()

object.ReferenceEquals(object, object)

object.ToString()

Properties

LetVariables: Specifies variables accessible for use in the WhenMatchedPipeline.

OnFieldNames: Field or fields that act as a unique identifier for a document. The identifier determines if a results document matches an already existing document in the output collection.

OutputSerializer: The output serializer.

WhenMatched: The behavior of $merge if a result document and an existing document in the collectoin have the same value for the specified on field(s).

WhenMatchedPipeline: An aggregation pipeline to update the document in the collection. Used when WhenMatched is Pipeline.

WhenNotMatched: The behavior of $merge if a result document does not match an existing document in the output collection.