The Apache Calcite team is pleased to announce the release of Apache Calcite 1.34.0.
Calcite is a dynamic data management framework. Its cost-based optimizer converts queries, represented in relational algebra, into executable plans. Calcite supports many front-end languages and back-end data engines, and includes an SQL parser and, as a sub-project, the Avatica JDBC driver. This release comes 1 month after 1.33.0, contains contributions from 18 contributors, and resolves 34 issues. It’s worth highlighting the introduction of QUALIFY clause, which facilitates filtering the results of window functions. Among other improvements and fixes, it adds roughly 15 new functions in BigQuery library for handling dates, times, and timestamps, and provides a fix for a small breaking change in DATE_TRUNC function, which was introduced accidentally in 1.33.0. You can start using it in Maven by simply updating your dependency to: <dependency> <groupId>org.apache.calcite</groupId> <artifactId>calcite-core</artifactId> <version>1.34.0</version> </dependency> If you'd like to download the source release, you can find it here: https://calcite.apache.org/downloads/ You can read more about the release (including release notes) here: https://calcite.apache.org/news/2023/03/14/release-1.34.0/ We welcome your help and feedback. For more information on how to report problems, and to get involved, visit the project website at: https://calcite.apache.org/ Thanks to everyone involved! Stamatis Zampetakis, on behalf of the Apache Calcite Team
