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Posted to commits@calcite.apache.org by GitBox <gi...@apache.org> on 2020/06/18 09:06:12 UTC

[GitHub] [calcite] danny0405 commented on pull request #2030: minor, remove redundant code in "RelJson.toJson(RelDistribution)".

danny0405 commented on pull request #2030:
URL: https://github.com/apache/calcite/pull/2030#issuecomment-645886776


   > The code looks really redundant, cuz RelDistribution#getKeys is annotated as nonnull, and must return "List".
   > Or do I miss something?
   
   It is nonnull, but can it be empty ?


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