PipelineDefinitionBuilderReplaceRootTInput, TIntermediate, TOutput Method (PipelineDefinitionTInput, TIntermediate, ExpressionFuncTIntermediate, TOutput, ExpressionTranslationOptions) |
Appends a $replaceRoot stage to the pipeline.
Namespace:
MongoDB.Driver
Assembly:
MongoDB.Driver (in MongoDB.Driver.dll) Version: 2.10.0+569905ff5e778c38ea19d9d0392496a83e1704ed
Syntax public static PipelineDefinition<TInput, TOutput> ReplaceRoot<TInput, TIntermediate, TOutput>(
this PipelineDefinition<TInput, TIntermediate> pipeline,
Expression<Func<TIntermediate, TOutput>> newRoot,
ExpressionTranslationOptions translationOptions = null
)
<ExtensionAttribute>
Public Shared Function ReplaceRoot(Of TInput, TIntermediate, TOutput) (
pipeline As PipelineDefinition(Of TInput, TIntermediate),
newRoot As Expression(Of Func(Of TIntermediate, TOutput)),
Optional translationOptions As ExpressionTranslationOptions = Nothing
) As PipelineDefinition(Of TInput, TOutput)
[<ExtensionAttribute>]
static member ReplaceRoot :
pipeline : PipelineDefinition<'TInput, 'TIntermediate> *
newRoot : Expression<Func<'TIntermediate, 'TOutput>> *
?translationOptions : ExpressionTranslationOptions
(* Defaults:
let _translationOptions = defaultArg translationOptions null
*)
-> PipelineDefinition<'TInput, 'TOutput>
Parameters
- pipeline
- Type: MongoDB.DriverPipelineDefinitionTInput, TIntermediate
The pipeline. - newRoot
- Type: System.Linq.ExpressionsExpressionFuncTIntermediate, TOutput
The new root. - translationOptions (Optional)
- Type: MongoDB.DriverExpressionTranslationOptions
The translation options.
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
The fluent aggregate interface.
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