PipelineDefinitionBuilderMatchTInput, TOutput Method (PipelineDefinitionTInput, TOutput, ExpressionFuncTOutput, Boolean)

Appends a match stage to the pipeline.

Namespace: MongoDB.Driver
Assembly: MongoDB.Driver (in MongoDB.Driver.dll) Version: 2.21.0+5a9c3311e158910b88195f290e6d4b1b2715d2b2

Syntax

Copy

public static PipelineDefinition<TInput, TOutput> Match<TInput, TOutput>(
	this PipelineDefinition<TInput, TOutput> pipeline,
	Expression<Func<TOutput, bool>> filter
)

<ExtensionAttribute>
Public Shared Function Match(Of TInput, TOutput) ( 
	pipeline As PipelineDefinition(Of TInput, TOutput),
	filter As Expression(Of Func(Of TOutput, Boolean))
) As PipelineDefinition(Of TInput, TOutput)

[<ExtensionAttribute>]
static member Match : 
        pipeline : PipelineDefinition<'TInput, 'TOutput> * 
        filter : Expression<Func<'TOutput, bool>> -> PipelineDefinition<'TInput, 'TOutput>

Parameters

pipeline: Type: MongoDB.DriverPipelineDefinitionTInput, TOutput
The pipeline.
filter: Type: System.Linq.ExpressionsExpressionFuncTOutput, Boolean
The filter.

Type Parameters

TInput: The type of the input 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, TOutput. 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

Match Overload

MongoDB.Driver Namespace