zuozhiw opened a new pull request #2486: URL: https://github.com/apache/calcite/pull/2486
This pull request adds a new visualizer tool to visualize and debug the volcano planner optimization process. Here are some gifs that shows some of its features: The whole memo structure, including all RelSets, RelSubsets, and RelNodes are displayed:  A step-by-step process of each rule application is displayed. Click on each rule to see it's matched nodes (purple color), and newly generated nodes (cyan color).  See on the final best plan selected by the volcano optimizer. The cost of every RelNode is displayed.  -- 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]
