IAggregateFluentExtensionsReplaceRootTResult, TNewResult Method

Appends a $replaceRoot stage to the pipeline.

Namespace: MongoDB.Driver
Assembly: MongoDB.Driver (in MongoDB.Driver.dll) Version: 2.18.0+554c799eb1ec8dd732f16c739387f6664df1ba7a

Syntax

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public static IAggregateFluent<TNewResult> ReplaceRoot<TResult, TNewResult>(
	this IAggregateFluent<TResult> aggregate,
	Expression<Func<TResult, TNewResult>> newRoot
)

<ExtensionAttribute>
Public Shared Function ReplaceRoot(Of TResult, TNewResult) ( 
	aggregate As IAggregateFluent(Of TResult),
	newRoot As Expression(Of Func(Of TResult, TNewResult))
) As IAggregateFluent(Of TNewResult)

[<ExtensionAttribute>]
static member ReplaceRoot : 
        aggregate : IAggregateFluent<'TResult> * 
        newRoot : Expression<Func<'TResult, 'TNewResult>> -> IAggregateFluent<'TNewResult>

Parameters

aggregate: Type: MongoDB.DriverIAggregateFluentTResult
The aggregate.
newRoot: Type: System.Linq.ExpressionsExpressionFuncTResult, TNewResult
The new root.

Type Parameters

TResult: The type of the result.
TNewResult: The type of the new result.

Return Value

Type: IAggregateFluentTNewResult
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 IAggregateFluentTResult. 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).

Reference

IAggregateFluentExtensions Class