nandorKollar opened a new issue, #14547:
URL: https://github.com/apache/iceberg/issues/14547

   ### Apache Iceberg version
   
   main (development)
   
   ### Query engine
   
   None
   
   ### Please describe the bug 🐞
   
   The current implementation of Arrow reader within Iceberg will read each 
integer field as a signed integer, without considering the flag on the logical 
type annotation which mark that the integer should be interpreted as signed or 
unsigned value. Since Iceberg doesn't have unsigned integer type, I think the 
code should throw an exception, if the Parquet logical type is an unsigned 
integer.
   
   ### Willingness to contribute
   
   - [ ] I can contribute a fix for this bug independently
   - [x] I would be willing to contribute a fix for this bug with guidance from 
the Iceberg community
   - [ ] I cannot contribute a fix for this bug at this time


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