jiayuasu commented on PR #240:
URL: https://github.com/apache/parquet-format/pull/240#issuecomment-2272508778

   @paleolimbot yes, I agree. So is it better to add in the spec that: 
`Currently, the covering column is only safe to perform pruning on 2 
dimensional geometries.` Or, is it better to actually use bbox in the covering 
instead of WKB polygon? Either way, is it redundant to even have this covering 
statistics given we already have the bbox statistics separately?
   


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