[GitHub] [pinot] amrishlal commented on pull request #9669: Avoid setting result column types to STRING when resultset is empty.

[GitBox <gi...@apache.org>]

amrishlal commented on PR #9669:
URL: https://github.com/apache/pinot/pull/9669#issuecomment-1294074963

   > This is backward-incompatible change, and user might want to get the column names back. Currently it happens when all the segments are pruned. One work-around would be to always keep at least one segment, so that we can get the actual data types
   
   We can set column names in `buildEmptySelectionQueryResults` functions also, but if we are ok with keeping at least one segment, then it might be possible to set proper column types as well. I can try it out...


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