[GitHub] [pinot] Jackie-Jiang commented on issue #10793: Ensure min/max value are always generated in the segment metadata

["Jackie-Jiang (via GitHub)" <gi...@apache.org>]

Jackie-Jiang commented on issue #10793:
URL: https://github.com/apache/pinot/issues/10793#issuecomment-1590195526

   > In the `ALL` columns mode, we generate min/max for all the columns. What would be the possible reason for missing the min/max value for the metric aggregation column? Thanks
   
   When a column doesn't have dictionary, `ColumnMinMaxValueGenerator` won't scan the values and fill the min/max value currently.


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