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PipelineDefinitionBuilder.Bucket<TInput, TIntermediate, TValue> Method (PipelineDefinition<TInput, TIntermediate>, Expression<Func<TIntermediate, TValue>>, IEnumerable<TValue>, AggregateBucketOptions<TValue>, ExpressionTranslationOptions)

Appends a $bucket 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 PipelineDefinition<TInput, AggregateBucketResult<TValue>> Bucket<TInput, TIntermediate, TValue>(
	this PipelineDefinition<TInput, TIntermediate> pipeline,
	Expression<Func<TIntermediate, TValue>> groupBy,
	IEnumerable<TValue> boundaries,
	AggregateBucketOptions<TValue> options = null,
	ExpressionTranslationOptions translationOptions = null
)

Parameters

pipeline
Type: MongoDB.Driver.PipelineDefinition<TInput, TIntermediate>
The pipeline.
groupBy
Type: System.Linq.Expressions.Expression<Func<TIntermediate, TValue>>
The group by expression.
boundaries
Type: System.Collections.Generic.IEnumerable<TValue>
The boundaries.
options (Optional)
Type: MongoDB.Driver.AggregateBucketOptions<TValue>
The options.
translationOptions (Optional)
Type: MongoDB.Driver.ExpressionTranslationOptions
The translation options.

Type Parameters

TInput
The type of the input documents.
TIntermediate
The type of the intermediate documents.
TValue
The type of the values.

Return Value

Type: PipelineDefinition<TInput, AggregateBucketResult<TValue>>
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 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