MergeStageOptionsTOutput Properties |
The MergeStageOptionsTOutput generic type exposes the following members.
Name | Description | |
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![]() | LetVariables |
Specifies variables accessible for use in the WhenMatchedPipeline.
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![]() | 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.
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![]() | OutputSerializer |
The output serializer.
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![]() | 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).
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![]() | WhenMatchedPipeline |
An aggregation pipeline to update the document in the collection.
Used when WhenMatched is Pipeline.
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![]() | WhenNotMatched |
The behavior of $merge if a result document does not match an existing document in the output collection.
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