IAggregateFluentExtensionsBucketAutoTResult, TValue Method (IAggregateFluentTResult, ExpressionFuncTResult, TValue, Int32, AggregateBucketAutoOptions) |
Appends a $bucketAuto 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<AggregateBucketAutoResult<TValue>> BucketAuto<TResult, TValue>(
this IAggregateFluent<TResult> aggregate,
Expression<Func<TResult, TValue>> groupBy,
int buckets,
AggregateBucketAutoOptions options = null
)
<ExtensionAttribute>
Public Shared Function BucketAuto(Of TResult, TValue) (
aggregate As IAggregateFluent(Of TResult),
groupBy As Expression(Of Func(Of TResult, TValue)),
buckets As Integer,
Optional options As AggregateBucketAutoOptions = Nothing
) As IAggregateFluent(Of AggregateBucketAutoResult(Of TValue))
[<ExtensionAttribute>]
static member BucketAuto :
aggregate : IAggregateFluent<'TResult> *
groupBy : Expression<Func<'TResult, 'TValue>> *
buckets : int *
?options : AggregateBucketAutoOptions
(* Defaults:
let _options = defaultArg options null
*)
-> IAggregateFluent<AggregateBucketAutoResult<'TValue>>
Parameters
- aggregate
- Type: MongoDB.DriverIAggregateFluentTResult
The aggregate. - groupBy
- Type: System.Linq.ExpressionsExpressionFuncTResult, TValue
The expression providing the value to group by. - buckets
- Type: SystemInt32
The number of buckets. - options (Optional)
- Type: MongoDB.DriverAggregateBucketAutoOptions
The options (optional).
Type Parameters
- TResult
- The type of the result.
- TValue
- The type of the value.
Return Value
Type:
IAggregateFluentAggregateBucketAutoResultTValueThe 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