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IAggregateFluentExtensions.Bucket<TResult, TValue> Method (IAggregateFluent<TResult>, Expression<Func<TResult, TValue>>, IEnumerable<TValue>, AggregateBucketOptions<TValue>)

Appends a $bucket stage to the pipeline.

Namespace:  MongoDB.Driver
Assembly:  MongoDB.Driver (in MongoDB.Driver.dll) Version: 2.6.0+Branch.origin/v2.6.x.Sha.593796a7b35dc59243383bcc684de296a5468f2e
Syntax
public static IAggregateFluent<AggregateBucketResult<TValue>> Bucket<TResult, TValue>(
	this IAggregateFluent<TResult> aggregate,
	Expression<Func<TResult, TValue>> groupBy,
	IEnumerable<TValue> boundaries,
	AggregateBucketOptions<TValue> options = null
)

Parameters

aggregate
Type: MongoDB.Driver.IAggregateFluent<TResult>
The aggregate.
groupBy
Type: System.Linq.Expressions.Expression<Func<TResult, TValue>>
The expression providing the value to group by.
boundaries
Type: System.Collections.Generic.IEnumerable<TValue>
The bucket boundaries.
options (Optional)
Type: MongoDB.Driver.AggregateBucketOptions<TValue>
The options.

Type Parameters

TResult
The type of the result.
TValue
The type of the value.

Return Value

Type: IAggregateFluent<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 IAggregateFluent<TResult>. 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