PipelineDefinitionBuilder.Match<TInput, TOutput> Method (PipelineDefinition<TInput, TOutput>, Expression<Func<TOutput, Boolean>>)

Appends a match 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, 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.Driver.PipelineDefinition<TInput, TOutput>
The pipeline.
filter: Type: System.Linq.Expressions.Expression<Func<TOutput, Boolean>>
The filter.

Type Parameters

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

Return Value

Type: PipelineDefinition<TInput, 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 PipelineDefinition<TInput, 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