MergeStageOptionsTOutput Class |
Options for the $merge aggregation pipeline stage.
Inheritance HierarchyNamespace: MongoDB.Driver
Assembly: MongoDB.Driver (in MongoDB.Driver.dll) Version: 2.22.0+75246110ed1247226fcc7f8eb2c54ffab745693e
SyntaxType Parameters
- TOutput
- The type of the output documents.
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.) |
See Also