MongoDB request DSL • opensavvy.ktmongo.dsl.aggregation.stages • HasSample • sample

sample

open fun sample(size: Int): Pipeline<Document>

Randomly selects size documents.

Pipeline optimizations

MongoDB is able to perform sampling more efficiently if it is the first stage of the pipeline and size is less than 5% of the collection size.

External resources

• Official documentation

See also

• HasLimit.limit Selects the first elements found.