AggregationOperations

interface AggregationOperations<Document : Any> : BaseOperations

Interface grouping MongoDB operations relating to aggregation pipelines

Inheritors

• MongoCollection

Properties

context

@LowLevelApi



abstract val context: BsonContext

Functions

aggregate

abstract fun aggregate(): MongoAggregationPipeline<Document>

Start an aggregation pipeline.

Example

class User(
    val name: String,
    val age: Int,
)

users.aggregate()
    .match { User::age gt 18 }
    .toList()

External resources

• Official documentation