coastalwhite opened a new issue, #501:
URL: https://github.com/apache/parquet-format/issues/501

   ### Describe the enhancement requested
   
   Currently, the `sorting_columns` is only defined on the `RowGroupMetadata`. 
This makes it hard to get the sort status of the entire file when it has more 
than one row group.
   
   This makes it generally very hard to utilize during query optimization.
   
   Is there any interest in adding `sorting_columns` to the `FileMetadata` 
optionally. I feel like this is more generally useful than having it on the 
`row group` metadata.


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