Project(TInput, TIntermediate, TOutput) Method (PipelineDefinition(TInput, TIntermediate), Expression(Func(TIntermediate, TOutput)), ExpressionTranslationOptions)

PipelineDefinitionBuilderProjectTInput, TIntermediate Method (PipelineDefinitionTInput, TIntermediate, ProjectionDefinitionTIntermediate, BsonDocument)

Appends a project stage to the pipeline.

Namespace: MongoDB.Driver
Assembly: MongoDB.Driver (in MongoDB.Driver.dll) Version: 2.11.0+cb27a82ea70620ad1acad8058809be8302ae4f2a

Syntax

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public static PipelineDefinition<TInput, BsonDocument> Project<TInput, TIntermediate>(
	this PipelineDefinition<TInput, TIntermediate> pipeline,
	ProjectionDefinition<TIntermediate, BsonDocument> projection
)

<ExtensionAttribute>
Public Shared Function Project(Of TInput, TIntermediate) ( 
	pipeline As PipelineDefinition(Of TInput, TIntermediate),
	projection As ProjectionDefinition(Of TIntermediate, BsonDocument)
) As PipelineDefinition(Of TInput, BsonDocument)

[<ExtensionAttribute>]
static member Project : 
        pipeline : PipelineDefinition<'TInput, 'TIntermediate> * 
        projection : ProjectionDefinition<'TIntermediate, BsonDocument> -> PipelineDefinition<'TInput, BsonDocument>

Parameters

pipeline: Type: MongoDB.DriverPipelineDefinitionTInput, TIntermediate
The pipeline.
projection: Type: MongoDB.DriverProjectionDefinitionTIntermediate, BsonDocument
The projection.

Type Parameters

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

Return Value

Type: PipelineDefinitionTInput, BsonDocument
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, 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

Project Overload

MongoDB.Driver Namespace