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PipelineDefinitionBuilderBucketAutoForLinq2TInput, TIntermediate, TValue, TOutput Method

Appends a $bucketAuto stage to the pipeline (this method can only be used with LINQ2).

Namespace:  MongoDB.Driver
Assembly:  MongoDB.Driver (in MongoDB.Driver.dll) Version: 2.19.1+3a2a09dd959482f665ffbb5df2557ec541597af4
Syntax
public static PipelineDefinition<TInput, TOutput> BucketAutoForLinq2<TInput, TIntermediate, TValue, TOutput>(
	this PipelineDefinition<TInput, TIntermediate> pipeline,
	Expression<Func<TIntermediate, TValue>> groupBy,
	int buckets,
	Expression<Func<IGrouping<TValue, TIntermediate>, TOutput>> output,
	AggregateBucketAutoOptions options = null,
	ExpressionTranslationOptions translationOptions = null
)

Parameters

pipeline
Type: MongoDB.DriverPipelineDefinitionTInput, TIntermediate
The pipeline.
groupBy
Type: System.Linq.ExpressionsExpressionFuncTIntermediate, TValue
The group by expression.
buckets
Type: SystemInt32
The number of buckets.
output
Type: System.Linq.ExpressionsExpressionFuncIGroupingTValue, TIntermediate, TOutput
The output projection.
options (Optional)
Type: MongoDB.DriverAggregateBucketAutoOptions
The options (optional).
translationOptions (Optional)
Type: MongoDB.DriverExpressionTranslationOptions
The translation options.

Type Parameters

TInput
The type of the input documents.
TIntermediate
The type of the intermediate documents.
TValue
The type of the value.
TOutput
The type of the output documents.

Return Value

Type: PipelineDefinitionTInput, TOutput
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 PipelineDefinitionTInput, 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