March 2020 - PrestoDB

Engineering SQL Support on Apache Pinot at Uber

By Haibo Wang March 18, 2020September 21, 2023

The article, Engineering SQL Support on Apache Pinot at Uber, was originally published by Uber on the Uber Engineering Blog on January 15, 2020. Check out eng.uber.com for more articles about Uber’s engineering work and follow Uber Engineering at @UberEng and Uber Open Source at @UberOpenSouce on Twitter for updates from our teams. Uber leverages…

Querying Nested Data with Lambda Functions

By Wenlei Xie March 2, 2020September 21, 2023

Denormalized data with nested values (e.g. array/map) have become omnipresent in this Big Data era, as a lot of data naturally conforms to a nested representation [1, 2]. As a result it is important to provide an efficient and convenient way to query nested data. SQL traditionally does not include support for this. The pioneering…