IAggregateFluentExtensionsReplaceRootTResult, TNewResult Method |
Appends a $replaceRoot stage to the pipeline.
Namespace:
MongoDB.Driver
Assembly:
MongoDB.Driver (in MongoDB.Driver.dll) Version: 2.7.3+Branch.v2.7.x.Sha.2f1f2be13a23b8520cb9c2ee8439c022f9a03efe
Syntax public static IAggregateFluent<TNewResult> ReplaceRoot<TResult, TNewResult>(
this IAggregateFluent<TResult> aggregate,
Expression<Func<TResult, TNewResult>> newRoot
)
<ExtensionAttribute>
Public Shared Function ReplaceRoot(Of TResult, TNewResult) (
aggregate As IAggregateFluent(Of TResult),
newRoot As Expression(Of Func(Of TResult, TNewResult))
) As IAggregateFluent(Of TNewResult)
[<ExtensionAttribute>]
static member ReplaceRoot :
aggregate : IAggregateFluent<'TResult> *
newRoot : Expression<Func<'TResult, 'TNewResult>> -> IAggregateFluent<'TNewResult>
Parameters
- aggregate
- Type: MongoDB.DriverIAggregateFluentTResult
The aggregate. - newRoot
- Type: System.Linq.ExpressionsExpressionFuncTResult, TNewResult
The new root.
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