[GitHub] rdsr commented on issue #16: Custom metadata in data files

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rdsr commented on issue #16: Custom metadata in data files
URL: https://github.com/apache/incubator-iceberg/issues/16#issuecomment-442159958
 
 
   >  instead of putting such info into a custom map, I think having these be recognized as first-class known entities will help iceberg data to be consistently/correctly readable by various systems (spark, etc.)
   +1 to this.  
   
   I wonder would there ever be a case where a json blob or a map with custom properties is required, which would be specific to a single platform. If a property/setting is required to correctly read the file, then why not just make it a first class entity?

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