Citus Data, is excited to announce the release of TopN, an open source PostgreSQL extension that returns the top values in a database according to some criteria. The TopN extension enables you to serve instant and approximate results to TopN queries. With the help of a very efficient approximation algorithm, TopN is able to materialize top values according to some criteria and incrementally update these top values, or merge them on-demand across different time intervals.
With TopN, you can:
TopN is developed and maintained by Citus Data.Related Open Source