fun <TExpression, Boundary> bucket(groupBy: TExpression, boundaries: List<Boundary>, options: BucketOptions = BucketOptions()): Bson
(source)
Creates a $bucket pipeline stage
groupBy
- the criteria to group By
boundaries
- the boundaries of the buckets
options
- the optional values for the $bucket stage
Parameters
Parameters
Return
the $bucket pipeline stage
Mongodb
.driver.manual reference/operator/aggregation/bucket/ $bucket