IAggregateFluentExtensionsUnwindTResult, TNewResult Method (IAggregateFluentTResult, ExpressionFuncTResult, Object, IBsonSerializerTNewResult) |
Appends an unwind stage to the pipeline.
Namespace: MongoDB.DriverAssembly: MongoDB.Driver (in MongoDB.Driver.dll) Version: 2.1.0
Syntax public static IAggregateFluent<TNewResult> Unwind<TResult, TNewResult>(
this IAggregateFluent<TResult> aggregate,
Expression<Func<TResult, Object>> field,
IBsonSerializer<TNewResult> newResultSerializer = null
)
<ExtensionAttribute>
Public Shared Function Unwind(Of TResult, TNewResult) (
aggregate As IAggregateFluent(Of TResult),
field As Expression(Of Func(Of TResult, Object)),
Optional newResultSerializer As IBsonSerializer(Of TNewResult) = Nothing
) As IAggregateFluent(Of TNewResult)
[<ExtensionAttribute>]
static member Unwind :
aggregate : IAggregateFluent<'TResult> *
field : Expression<Func<'TResult, Object>> *
?newResultSerializer : IBsonSerializer<'TNewResult>
(* Defaults:
let _newResultSerializer = defaultArg newResultSerializer null
*)
-> IAggregateFluent<'TNewResult>
Parameters
- aggregate
- Type: MongoDB.DriverIAggregateFluentTResult
The aggregate. - field
- Type: System.Linq.ExpressionsExpressionFuncTResult, Object
The field to unwind. - newResultSerializer (Optional)
- 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).
See Also