curcur opened a new pull request #15584: URL: https://github.com/apache/flink/pull/15584
MySQL supports XA transaction as global trans, and allows one xa trans open per connection. For JDBC exactly once sink, it needs at least two xa trans per connection (snapshot -> prepare trans; and then begin transaction) Document the limitation for MySQL support. -- 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. For queries about this service, please contact Infrastructure at: us...@infra.apache.org
