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Posted to github@arrow.apache.org by GitBox <gi...@apache.org> on 2022/11/25 06:36:38 UTC

[GitHub] [arrow-datafusion] mingmwang commented on pull request #4332: Teach optimizer that `CoalesceBatchesExec` does not destroy output order

mingmwang commented on PR #4332:
URL: https://github.com/apache/arrow-datafusion/pull/4332#issuecomment-1327077332

   I think you can construct a UT to test and verify a sorted input stream is still keep sorted after `CoalesceBatchesExec`


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