[GitHub] [iceberg] RussellSpitzer commented on issue #7706: Parquet : spark config "spark.sql.parquet.writeLegacyFormat = true " is useless

["RussellSpitzer (via GitHub)" <gi...@apache.org>]

RussellSpitzer commented on issue #7706:
URL: https://github.com/apache/iceberg/issues/7706#issuecomment-1568670584

   Iceberg has it's own parquet writers and parquet code, so Spark options will not necessarily work. 
   
   As for Iceberg, our spec defines decimal as
   
   
   
   Type | Parquet physical type | Logical type | Notes
   -- | -- | -- | --
   decimal(P,S) | P <= 9: int32,P <= 18: int64,fixed otherwise | DECIMAL(P,S) | Fixed must use the minimum number of bytes that can store P.
   
   


-- 
This is an automated message from the Apache Git Service.
To respond to the message, please log on to GitHub and use the
URL above to go to the specific comment.

To unsubscribe, e-mail: issues-unsubscribe@iceberg.apache.org

For queries about this service, please contact Infrastructure at:
users@infra.apache.org


---------------------------------------------------------------------
To unsubscribe, e-mail: issues-unsubscribe@iceberg.apache.org
For additional commands, e-mail: issues-help@iceberg.apache.org