PipelineDefinitionBuilder.Bucket<TInput, TIntermediate, TValue, TOutput> Method (PipelineDefinition<TInput, TIntermediate>, AggregateExpressionDefinition<TIntermediate, TValue>, IEnumerable<TValue>, ProjectionDefinition<TIntermediate, TOutput>, AggregateBucketOptions<TValue>) |
Appends a $bucket stage to the pipeline.
Namespace:
MongoDB.Driver
Assembly:
MongoDB.Driver (in MongoDB.Driver.dll) Version: 2.21.0+5a9c3311e158910b88195f290e6d4b1b2715d2b2
Syntaxpublic static PipelineDefinition<TInput, TOutput> Bucket<TInput, TIntermediate, TValue, TOutput>(
this PipelineDefinition<TInput, TIntermediate> pipeline,
AggregateExpressionDefinition<TIntermediate, TValue> groupBy,
IEnumerable<TValue> boundaries,
ProjectionDefinition<TIntermediate, TOutput> output,
AggregateBucketOptions<TValue> options = null
)
<ExtensionAttribute>
Public Shared Function Bucket(Of TInput, TIntermediate, TValue, TOutput) (
pipeline As PipelineDefinition(Of TInput, TIntermediate),
groupBy As AggregateExpressionDefinition(Of TIntermediate, TValue),
boundaries As IEnumerable(Of TValue),
output As ProjectionDefinition(Of TIntermediate, TOutput),
Optional options As AggregateBucketOptions(Of TValue) = Nothing
) As PipelineDefinition(Of TInput, TOutput)
[<ExtensionAttribute>]
static member Bucket :
pipeline : PipelineDefinition<'TInput, 'TIntermediate> *
groupBy : AggregateExpressionDefinition<'TIntermediate, 'TValue> *
boundaries : IEnumerable<'TValue> *
output : ProjectionDefinition<'TIntermediate, 'TOutput> *
?options : AggregateBucketOptions<'TValue>
(* Defaults:
let _options = defaultArg options null
*)
-> PipelineDefinition<'TInput, 'TOutput>
Parameters
- pipeline
- Type: MongoDB.Driver.PipelineDefinition<TInput, TIntermediate>
The pipeline. - groupBy
- Type: MongoDB.Driver.AggregateExpressionDefinition<TIntermediate, TValue>
The group by expression. - boundaries
- Type: System.Collections.Generic.IEnumerable<TValue>
The boundaries. - output
- Type: MongoDB.Driver.ProjectionDefinition<TIntermediate, TOutput>
The output projection. - options (Optional)
- Type: MongoDB.Driver.AggregateBucketOptions<TValue>
The options.
Type Parameters
- TInput
- The type of the input documents.
- TIntermediate
- The type of the intermediate documents.
- TValue
- The type of the values.
- TOutput
- The type of the output documents.
Return Value
Type:
PipelineDefinition<TInput,
TOutput>
A new pipeline with an additional stage.
Usage Note
In Visual Basic and C#, you can call this method as an instance method on any object of type
PipelineDefinition<TInput,
TIntermediate>. 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