PipelineDefinitionBuilderReplaceRootTInput, TIntermediate, TOutput Method (PipelineDefinitionTInput, TIntermediate, AggregateExpressionDefinitionTIntermediate, TOutput) |
Appends a $replaceRoot stage to the pipeline.
Namespace:
MongoDB.Driver
Assembly:
MongoDB.Driver (in MongoDB.Driver.dll) Version: 2.14.0+2b37a1fe1cbdbe1a020b52b77f1197b6d77575e7
Syntax public static PipelineDefinition<TInput, TOutput> ReplaceRoot<TInput, TIntermediate, TOutput>(
this PipelineDefinition<TInput, TIntermediate> pipeline,
AggregateExpressionDefinition<TIntermediate, TOutput> newRoot
)
<ExtensionAttribute>
Public Shared Function ReplaceRoot(Of TInput, TIntermediate, TOutput) (
pipeline As PipelineDefinition(Of TInput, TIntermediate),
newRoot As AggregateExpressionDefinition(Of TIntermediate, TOutput)
) As PipelineDefinition(Of TInput, TOutput)
[<ExtensionAttribute>]
static member ReplaceRoot :
pipeline : PipelineDefinition<'TInput, 'TIntermediate> *
newRoot : AggregateExpressionDefinition<'TIntermediate, 'TOutput> -> PipelineDefinition<'TInput, 'TOutput>
Parameters
- pipeline
- Type: MongoDB.DriverPipelineDefinitionTInput, TIntermediate
The pipeline. - newRoot
- Type: MongoDB.DriverAggregateExpressionDefinitionTIntermediate, TOutput
The new root.
Type Parameters
- TInput
- The type of the input documents.
- TIntermediate
- The type of the intermediate documents.
- TOutput
- The type of the output documents.
Return Value
Type:
PipelineDefinitionTInput,
TOutput
A new pipeline with an additional stage.
Usage Note
In Visual Basic and C#, you can call this method as an instance method on any object of type
PipelineDefinitionTInput,
TIntermediate. When you use instance method syntax to call this method, omit the first parameter. For more information, see
Extension Methods (Visual Basic) or
Extension Methods (C# Programming Guide).
See Also