handmadecode commented on PR #2907:
URL: https://github.com/apache/drill/pull/2907#issuecomment-2108103905

   > Follow up: I see use of the FragmentContext class for accessing config 
options in the old Parquet reader, perhaps it's a good a vehicle...
   
   `FragmentContext` is used to access the new config options where an instance 
already was available, i.e. in `ColumnReaderFactory`, 
`ParquetToDrillTypeConverter`, and `DrillParquetGroupConverter`.
   
   `FileMetadataCollector` doesn't have access to a `FragmentContext`, only to 
a `ParquetReaderConfig`.
   I can only find a FragmentContext in one of the two call paths to 
`FileMetadataCollector::addColumnMetadata`, so trying to inject a 
`FragmentContext` into `FileMetadataCollector` will probably have an impact on 
quite a few other classes.


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