Table of Contents

Method BucketAuto

Namespace
MongoDB.Driver
Assembly
MongoDB.Driver.dll

BucketAuto<TInput, TIntermediate, TValue>(PipelineDefinition<TInput, TIntermediate>, AggregateExpressionDefinition<TIntermediate, TValue>, int, AggregateBucketAutoOptions)

Appends a $bucketAuto stage to the pipeline.

public static PipelineDefinition<TInput, AggregateBucketAutoResult<TValue>> BucketAuto<TInput, TIntermediate, TValue>(this PipelineDefinition<TInput, TIntermediate> pipeline, AggregateExpressionDefinition<TIntermediate, TValue> groupBy, int buckets, AggregateBucketAutoOptions options = null)

Parameters

pipeline PipelineDefinition<TInput, TIntermediate>

The pipeline.

groupBy AggregateExpressionDefinition<TIntermediate, TValue>

The group by expression.

buckets int

The number of buckets.

options AggregateBucketAutoOptions

The options.

Returns

PipelineDefinition<TInput, AggregateBucketAutoResult<TValue>>

A new pipeline with an additional stage.

Type Parameters

TInput

The type of the input documents.

TIntermediate

The type of the intermediate documents.

TValue

The type of the values.

BucketAuto<TInput, TIntermediate, TValue, TOutput>(PipelineDefinition<TInput, TIntermediate>, AggregateExpressionDefinition<TIntermediate, TValue>, int, ProjectionDefinition<TIntermediate, TOutput>, AggregateBucketAutoOptions)

Appends a $bucketAuto stage to the pipeline.

public static PipelineDefinition<TInput, TOutput> BucketAuto<TInput, TIntermediate, TValue, TOutput>(this PipelineDefinition<TInput, TIntermediate> pipeline, AggregateExpressionDefinition<TIntermediate, TValue> groupBy, int buckets, ProjectionDefinition<TIntermediate, TOutput> output, AggregateBucketAutoOptions options = null)

Parameters

pipeline PipelineDefinition<TInput, TIntermediate>

The pipeline.

groupBy AggregateExpressionDefinition<TIntermediate, TValue>

The group by expression.

buckets int

The number of buckets.

output ProjectionDefinition<TIntermediate, TOutput>

The output projection.

options AggregateBucketAutoOptions

The options.

Returns

PipelineDefinition<TInput, TOutput>

A new pipeline with an additional stage.

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.

BucketAuto<TInput, TIntermediate, TValue>(PipelineDefinition<TInput, TIntermediate>, Expression<Func<TIntermediate, TValue>>, int, AggregateBucketAutoOptions)

Appends a $bucketAuto stage to the pipeline.

public static PipelineDefinition<TInput, AggregateBucketAutoResult<TValue>> BucketAuto<TInput, TIntermediate, TValue>(this PipelineDefinition<TInput, TIntermediate> pipeline, Expression<Func<TIntermediate, TValue>> groupBy, int buckets, AggregateBucketAutoOptions options = null)

Parameters

pipeline PipelineDefinition<TInput, TIntermediate>

The pipeline.

groupBy Expression<Func<TIntermediate, TValue>>

The group by expression.

buckets int

The number of buckets.

options AggregateBucketAutoOptions

The options (optional).

Returns

PipelineDefinition<TInput, AggregateBucketAutoResult<TValue>>

A new pipeline with an additional stage.

Type Parameters

TInput

The type of the input documents.

TIntermediate

The type of the intermediate documents.

TValue

The type of the value.

BucketAuto<TInput, TIntermediate, TValue, TOutput>(PipelineDefinition<TInput, TIntermediate>, Expression<Func<TIntermediate, TValue>>, int, Expression<Func<IGrouping<AggregateBucketAutoResultId<TValue>, TIntermediate>, TOutput>>, AggregateBucketAutoOptions)

Appends a $bucketAuto stage to the pipeline (this overload can only be used with LINQ3).

public static PipelineDefinition<TInput, TOutput> BucketAuto<TInput, TIntermediate, TValue, TOutput>(this PipelineDefinition<TInput, TIntermediate> pipeline, Expression<Func<TIntermediate, TValue>> groupBy, int buckets, Expression<Func<IGrouping<AggregateBucketAutoResultId<TValue>, TIntermediate>, TOutput>> output, AggregateBucketAutoOptions options = null)

Parameters

pipeline PipelineDefinition<TInput, TIntermediate>

The pipeline.

groupBy Expression<Func<TIntermediate, TValue>>

The group by expression.

buckets int

The number of buckets.

output Expression<Func<IGrouping<AggregateBucketAutoResultId<TValue>, TIntermediate>, TOutput>>

The output projection.

options AggregateBucketAutoOptions

The options (optional).

Returns

PipelineDefinition<TInput, TOutput>

A new pipeline with an additional stage.

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.