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Posted to commits@doris.apache.org by GitBox <gi...@apache.org> on 2021/03/03 06:54:36 UTC

[GitHub] [incubator-doris] kangkaisen commented on pull request #5444: [Rewrite]Rewrite from_unixtime to reduce calling this function

kangkaisen commented on pull request #5444:
URL: https://github.com/apache/incubator-doris/pull/5444#issuecomment-789484553


   > I'm not sure whether this change can guarantee the semantic correctness.
   > Are there other systems with similar modifications?
   > 
   > Also, how much performance improvement can this change bring?
   
   In, Meituan, their ad-hoc query engine do this improvement.


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