PipelineDefinitionBuilder.Count<TInput, TIntermediate> Method

Appends a $count stage to the pipeline.

Namespace: MongoDB.Driver
Assembly: MongoDB.Driver (in MongoDB.Driver.dll) Version: 2.9.0+32b058abcdf2c7e8d9dd3a676d207b31897eee2e

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.Driver.PipelineDefinition<TInput, TIntermediate>
The pipeline.

Type Parameters

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

Return Value

Type: PipelineDefinition<TInput, 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 PipelineDefinition<TInput, 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