PipelineDefinitionBuilderCountTInput, TIntermediate Method

Appends a $count stage to the pipeline.

Namespace: MongoDB.Driver
Assembly: MongoDB.Driver (in MongoDB.Driver.dll) Version: 2.12.2+a4a3888f4fb51bb518b1eb5002effc2d47f2ea6a

Syntax

Copy

public static PipelineDefinition<TInput, AggregateCountResult> Count<TInput, TIntermediate>(
	this PipelineDefinition<TInput, TIntermediate> pipeline
)

<ExtensionAttribute>
Public Shared Function Count(Of TInput, TIntermediate) ( 
	pipeline As PipelineDefinition(Of TInput, TIntermediate)
) As PipelineDefinition(Of TInput, AggregateCountResult)

[<ExtensionAttribute>]
static member Count : 
        pipeline : PipelineDefinition<'TInput, 'TIntermediate> -> PipelineDefinition<'TInput, AggregateCountResult>

Parameters

pipeline: Type: MongoDB.DriverPipelineDefinitionTInput, TIntermediate
The pipeline.

Type Parameters

TInput: The type of the input documents.
TIntermediate: The type of the intermediate documents.

Return Value

Type: PipelineDefinitionTInput, AggregateCountResult
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).

Reference

PipelineDefinitionBuilder Class