alpass163 opened a new pull request, #16657: URL: https://github.com/apache/iotdb/pull/16657
Adds a new optimizer rule, SetOperationMerge, to flatten nested UnionNodes in the query plan. For example, a plan tree like (A UNION ALL B) UNION ALL C will be rewritten into a single UnionNode with three children: A, B, and C. -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected]
