PipelineDefinitionBuilder.Unwind(TInput, TIntermediate) Method (PipelineDefinition(TInput, TIntermediate), FieldDefinition(TIntermediate), AggregateUnwindOptions(BsonDocument))

Unwind(TInput, TIntermediate) Method (PipelineDefinition(TInput, TIntermediate), FieldDefinition(TIntermediate), AggregateUnwindOptions(BsonDocument))

Unwind(TInput, TIntermediate, TOutput) Method (PipelineDefinition(TInput, TIntermediate), FieldDefinition(TIntermediate), AggregateUnwindOptions(TOutput))

Unwind(TInput, TIntermediate) Method (PipelineDefinition(TInput, TIntermediate), Expression(Func(TIntermediate, Object)), AggregateUnwindOptions(BsonDocument))

Unwind(TInput, TIntermediate, TOutput) Method (PipelineDefinition(TInput, TIntermediate), Expression(Func(TIntermediate, Object)), AggregateUnwindOptions(TOutput))

PipelineDefinitionBuilderUnwindTInput, TIntermediate Method (PipelineDefinitionTInput, TIntermediate, FieldDefinitionTIntermediate, AggregateUnwindOptionsBsonDocument)

Appends an unwind stage to the pipeline.

Namespace: MongoDB.Driver
Assembly: MongoDB.Driver (in MongoDB.Driver.dll) Version: 2.4.1

Syntax

Copy

public static PipelineDefinition<TInput, BsonDocument> Unwind<TInput, TIntermediate>(
	this PipelineDefinition<TInput, TIntermediate> pipeline,
	FieldDefinition<TIntermediate> field,
	AggregateUnwindOptions<BsonDocument> options = null
)

<ExtensionAttribute>
Public Shared Function Unwind(Of TInput, TIntermediate) ( 
	pipeline As PipelineDefinition(Of TInput, TIntermediate),
	field As FieldDefinition(Of TIntermediate),
	Optional options As AggregateUnwindOptions(Of BsonDocument) = Nothing
) As PipelineDefinition(Of TInput, BsonDocument)

[<ExtensionAttribute>]
static member Unwind : 
        pipeline : PipelineDefinition<'TInput, 'TIntermediate> * 
        field : FieldDefinition<'TIntermediate> * 
        ?options : AggregateUnwindOptions<BsonDocument> 
(* Defaults:
        let _options = defaultArg options null
*)
-> PipelineDefinition<'TInput, BsonDocument>

Parameters

pipeline: Type: MongoDB.DriverPipelineDefinitionTInput, TIntermediate
The pipeline.
field: Type: MongoDB.DriverFieldDefinitionTIntermediate
The field to unwind.
options (Optional): Type: MongoDB.DriverAggregateUnwindOptionsBsonDocument
The options.

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

Unwind Overload

MongoDB.Driver Namespace