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: 2.17.0+b316340e6cc3a8bfc8638dc31b54fbbfe41bfcb2

Syntax

Copy

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