Somehow I missed this… we have a pull request for JSON support. It’s a big change (both in terms of importance and the amount of effort).
https://github.com/apache/calcite/pull/785 <https://github.com/apache/calcite/pull/785> https://issues.apache.org/jira/browse/CALCITE-2266 <https://issues.apache.org/jira/browse/CALCITE-2266> I made a quick review, and it looks good. I see Vladimir has reviewed. Can someone else (not necessarily a committer) take a look? Julian
