kmongo / org.litote.kmongo / group

group

fun <TExpression> group(id: TExpression, vararg fieldAccumulators: BsonField): Bson (source)
fun <TExpression> group(id: TExpression, fieldAccumulators: List<BsonField>): Bson (source)

Creates a $group pipeline stage for the specified filter

Parameters

id - the id expression for the group

fieldAccumulators - zero or more field accumulator pairs

Parameters

Return
the $group pipeline stage

Mongodb
.driver.manual reference/operator/aggregation/group/ $group

Mongodb
.driver.manual meta/aggregation-quick-reference/#aggregation-expressions Expressions