Přepisovací pravidlo v Apache Calcite

Abstract

Apache Calcite is a project that aims to create a modifiable relational optimizer database. Calcite allows you to combine different data models and different database systems into one optimizer and also offers the possibility to create custom transformation rules. The aim of this work is implement a transformation rule for window functions, which are increasingly part of regular SQL today questions.

Description

Subject(s)

transformation rules, Apache Calcite, Apache Lucene, HeavyDB

Citation