Group(TInput, TValue, TOutput) Method (Expression(Func(TInput, TValue)), Expression(Func(IGrouping(TValue, TInput), TOutput)), ExpressionTranslationOptions)

PipelineStageDefinitionBuilderGroupTInput, TOutput Method (ProjectionDefinitionTInput, TOutput)

Creates a $group stage.

Namespace: MongoDB.Driver
Assembly: MongoDB.Driver (in MongoDB.Driver.dll) Version: 2.6.0+Branch.origin/v2.6.x.Sha.593796a7b35dc59243383bcc684de296a5468f2e

Syntax

Copy

public static PipelineStageDefinition<TInput, TOutput> Group<TInput, TOutput>(
	ProjectionDefinition<TInput, TOutput> group
)

Public Shared Function Group(Of TInput, TOutput) ( 
	group As ProjectionDefinition(Of TInput, TOutput)
) As PipelineStageDefinition(Of TInput, TOutput)

static member Group : 
        group : ProjectionDefinition<'TInput, 'TOutput> -> PipelineStageDefinition<'TInput, 'TOutput>

Parameters

group: Type: MongoDB.DriverProjectionDefinitionTInput, TOutput
The group projection.

Type Parameters

TInput: The type of the input documents.
TOutput: The type of the output documents.

Return Value

Type: PipelineStageDefinitionTInput, TOutput
The stage.

Reference

PipelineStageDefinitionBuilder Class

Group Overload

MongoDB.Driver Namespace