IAggregateFluentExtensions.Unwind<TResult, TNewResult> Method (IAggregateFluent<TResult>, Expression<Func<TResult, Object>>, AggregateUnwindOptions<TNewResult>) |
Appends an unwind stage to the pipeline.
Namespace:
MongoDB.Driver
Assembly:
MongoDB.Driver (in MongoDB.Driver.dll) Version: 2.21.0+5a9c3311e158910b88195f290e6d4b1b2715d2b2
Syntaxpublic static IAggregateFluent<TNewResult> Unwind<TResult, TNewResult>(
this IAggregateFluent<TResult> aggregate,
Expression<Func<TResult, Object>> field,
AggregateUnwindOptions<TNewResult> options = null
)
<ExtensionAttribute>
Public Shared Function Unwind(Of TResult, TNewResult) (
aggregate As IAggregateFluent(Of TResult),
field As Expression(Of Func(Of TResult, Object)),
Optional options As AggregateUnwindOptions(Of TNewResult) = Nothing
) As IAggregateFluent(Of TNewResult)
[<ExtensionAttribute>]
static member Unwind :
aggregate : IAggregateFluent<'TResult> *
field : Expression<Func<'TResult, Object>> *
?options : AggregateUnwindOptions<'TNewResult>
(* Defaults:
let _options = defaultArg options null
*)
-> IAggregateFluent<'TNewResult>
Parameters
- aggregate
- Type: MongoDB.Driver.IAggregateFluent<TResult>
The aggregate. - field
- Type: System.Linq.Expressions.Expression<Func<TResult, Object>>
The field to unwind. - options (Optional)
- Type: MongoDB.Driver.AggregateUnwindOptions<TNewResult>
The options.
Type Parameters
- TResult
- The type of the result.
- TNewResult
- The type of the new result.
Return Value
Type:
IAggregateFluent<TNewResult>
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
IAggregateFluent<TResult>. 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