Github user greghogan commented on the issue: https://github.com/apache/flink/pull/3511 @heytitle, you can `rebase -i dd20^` and then delete the first two lines which removes those commits from the history. An initial thought from skimming the code: should we create an abstract `NormalizedKeySorterBase` with common code from the generated and non-generated implementations? This way the lines of code in the template would be minimized and we wouldn't need to synchronize changes. I don't see a reason why this would decrease performance.
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