AggregationOperations

interface AggregationOperations<Document : Any> : BaseOperations

The different MongoDB operations related to aggregation pipelines.

Inheritors

• MongoCollection

Properties

context

@LowLevelApi
abstract val context: BsonContext

The full BSON configuration, used by the DSL to generate queries.

For more information, see BsonContext.

Functions

aggregate

abstract fun aggregate(): MongoAggregationPipeline<Document>

Starts an aggregation pipeline on this collection.

Example

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

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

External resources

• Official documentation

• mongosh documentation