IAggregateFluentExtensions.Unwind(TResult, TNewResult) Method (IAggregateFluent(TResult), Expression(Func(TResult, Object)), IBsonSerializer(TNewResult))

IAggregateFluentExtensionsUnwindTResult, TNewResult Method (IAggregateFluentTResult, ExpressionFuncTResult, Object, IBsonSerializerTNewResult)

Note: This API is now obsolete.

Appends an unwind stage to the pipeline.

Namespace: MongoDB.Driver
Assembly: MongoDB.Driver (in MongoDB.Driver.dll) Version: 2.2.0

Syntax

Copy

[ObsoleteAttribute("Use the Unwind overload which takes an options parameter.")]
public static IAggregateFluent<TNewResult> Unwind<TResult, TNewResult>(
	this IAggregateFluent<TResult> aggregate,
	Expression<Func<TResult, Object>> field,
	IBsonSerializer<TNewResult> newResultSerializer
)

<ExtensionAttribute>
<ObsoleteAttribute("Use the Unwind overload which takes an options parameter.")>
Public Shared Function Unwind(Of TResult, TNewResult) ( 
	aggregate As IAggregateFluent(Of TResult),
	field As Expression(Of Func(Of TResult, Object)),
	newResultSerializer As IBsonSerializer(Of TNewResult)
) As IAggregateFluent(Of TNewResult)

[<ExtensionAttribute>]
[<ObsoleteAttribute("Use the Unwind overload which takes an options parameter.")>]
static member Unwind : 
        aggregate : IAggregateFluent<'TResult> * 
        field : Expression<Func<'TResult, Object>> * 
        newResultSerializer : IBsonSerializer<'TNewResult> -> IAggregateFluent<'TNewResult>

Parameters

aggregate: Type: MongoDB.DriverIAggregateFluentTResult
The aggregate.
field: Type: System.Linq.ExpressionsExpressionFuncTResult, Object
The field to unwind.
newResultSerializer: Type: MongoDB.Bson.SerializationIBsonSerializerTNewResult
The new result serializer.

Type Parameters

TResult: The type of the result.
TNewResult: The type of the new result.

Return Value

Type: IAggregateFluentTNewResult
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 IAggregateFluentTResult. 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

IAggregateFluentExtensions Class

Unwind Overload

MongoDB.Driver Namespace