The Apache Calcite team is pleased to announce the release of
Apache Calcite 1.19.0.

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 the
Avatica JDBC driver.

This release comes three months after 1.18.0. It includes more
than 80 resolved issues, comprising of a few new features as
well as general improvements and bug-fixes. Among others,
there have been significant improvements in JSON query support.
For more details, see the release notes:

The release is available here:

We welcome your help and feedback. For more information on how to
report problems, and to get involved, visit the project website at

Kevin Risden, on behalf of the Apache Calcite Team

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