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Posted to github@arrow.apache.org by GitBox <gi...@apache.org> on 2021/10/31 14:37:13 UTC

[GitHub] [arrow-datafusion] ygf11 edited a comment on issue #1169: optimize values list execution plan by moving the evaluation part to execution phase

ygf11 edited a comment on issue #1169:
URL: https://github.com/apache/arrow-datafusion/issues/1169#issuecomment-955711870


   It seems statistics computation in ValuesExec also needs the evaluation result. 
   It is ok to ignore this by creating default statistics? or we need iterate data again to compute statistics? 
   https://github.com/apache/arrow-datafusion/blob/6b964cbfedc3ee5b08dea8a6c598de7844b95e91/datafusion/src/physical_plan/values.rs#L164-L168


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