MergeStageOptions<span id="LSTFC23EA7F_0"></span><span class="typeparameter">TOutput</span><span id="LSTFC23EA7F

Options for the $merge aggregation pipeline stage.

Inheritance Hierarchy

SystemObject
MongoDB.DriverMergeStageOptionsTOutput

Namespace: MongoDB.Driver
Assembly: MongoDB.Driver (in MongoDB.Driver.dll) Version: 2.11.0+cb27a82ea70620ad1acad8058809be8302ae4f2a

Syntax

public class MergeStageOptions<TOutput>

Public Class MergeStageOptions(Of TOutput)

type MergeStageOptions<'TOutput> =  class end

The MergeStageOptionsTOutput type exposes the following members.

Constructors

	Name	Description
	MergeStageOptionsTOutput	Initializes a new instance of the MergeStageOptionsTOutput class

Properties

	Name	Description
	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.

Methods

	Name	Description
	Equals	Determines whether the specified object is equal to the current object. (Inherited from Object.)
	Finalize	Allows an object to try to free resources and perform other cleanup operations before it is reclaimed by garbage collection. (Inherited from Object.)
	GetHashCode	Serves as the default hash function. (Inherited from Object.)
	GetType	Gets the Type of the current instance. (Inherited from Object.)
	MemberwiseClone	Creates a shallow copy of the current Object. (Inherited from Object.)
	ToString	Returns a string that represents the current object. (Inherited from Object.)

Extension Methods

	Name	Description
	ToBson	Serializes an object to a BSON byte array. (Defined by BsonExtensionMethods.)
	ToBsonDocument	Serializes an object to a BsonDocument. (Defined by BsonExtensionMethods.)
	ToJson	Serializes an object to a JSON string. (Defined by BsonExtensionMethods.)

MergeStageOptionsTOutput Class