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: 2.12.2+a4a3888f4fb51bb518b1eb5002effc2d47f2ea6a

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