Method Bucket
| MongoDB CSharp Driver API Reference (original) (raw)
Namespace
Assembly
MongoDB.Driver.dll
Bucket<TResult, TValue>(IAggregateFluent, Expression<Func<TResult, TValue>>, IEnumerable, AggregateBucketOptions)
Appends a $bucket stage to the pipeline.
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 IAggregateFluent
The aggregate.
groupBy Expression<Func<TResult, TValue>>
The expression providing the value to group by.
boundaries IEnumerable
The bucket boundaries.
options AggregateBucketOptions
The options.
Returns
IAggregateFluent<AggregateBucketResult>
The fluent aggregate interface.
Type Parameters
TResult
The type of the result.
TValue
The type of the value.
Bucket<TResult, TValue, TNewResult>(IAggregateFluent, Expression<Func<TResult, TValue>>, IEnumerable, Expression<Func<IGrouping<TValue, TResult>, TNewResult>>, AggregateBucketOptions)
Appends a $bucket stage to the pipeline.
public static IAggregateFluent<TNewResult> Bucket<TResult, TValue, TNewResult>(this IAggregateFluent<TResult> aggregate, Expression<Func<TResult, TValue>> groupBy, IEnumerable<TValue> boundaries, Expression<Func<IGrouping<TValue, TResult>, TNewResult>> output, AggregateBucketOptions<TValue> options = null)Parameters
aggregate IAggregateFluent
The aggregate.
groupBy Expression<Func<TResult, TValue>>
The expression providing the value to group by.
boundaries IEnumerable
The bucket boundaries.
output Expression<Func<IGrouping<TValue, TResult>, TNewResult>>
The output projection.
options AggregateBucketOptions
The options.
Returns
The fluent aggregate interface.
Type Parameters
TResult
The type of the result.
TValue
The type of the value.
TNewResult
The type of the new result.