IAggregateFluentExtensionsUnwindTResult Method (IAggregateFluentTResult, ExpressionFuncTResult, Object) |
Appends an unwind stage to the pipeline.
Namespace:
MongoDB.Driver
Assembly:
MongoDB.Driver (in MongoDB.Driver.dll) Version: 2.9.0+32b058abcdf2c7e8d9dd3a676d207b31897eee2e
Syntax public static IAggregateFluent<BsonDocument> Unwind<TResult>(
this IAggregateFluent<TResult> aggregate,
Expression<Func<TResult, Object>> field
)
<ExtensionAttribute>
Public Shared Function Unwind(Of TResult) (
aggregate As IAggregateFluent(Of TResult),
field As Expression(Of Func(Of TResult, Object))
) As IAggregateFluent(Of BsonDocument)
[<ExtensionAttribute>]
static member Unwind :
aggregate : IAggregateFluent<'TResult> *
field : Expression<Func<'TResult, Object>> -> IAggregateFluent<BsonDocument>
Parameters
- aggregate
- Type: MongoDB.DriverIAggregateFluentTResult
The aggregate. - field
- Type: System.Linq.ExpressionsExpressionFuncTResult, Object
The field to unwind.
Type Parameters
- TResult
- The type of the result.
Return Value
Type:
IAggregateFluentBsonDocument
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