alexandrefimov opened a new pull request, #16621:
URL: https://github.com/apache/iceberg/pull/16621

   This fixes Parquet filter pushdown conversion for decimal and UUID 
predicates.
   
   Changes:
   - Use the Parquet `MessageType` when building the pushed Parquet filter so 
decimal predicates use the actual physical primitive type.
   - Convert decimal literals for `INT32`, `INT64`, `BINARY`, and 
`FIXED_LEN_BYTE_ARRAY` encodings.
   - Use the actual fixed-length byte array length for fixed decimal predicates.
   - Fall back to `NOOP` when decimal literals cannot be represented safely at 
the file schema scale/precision.
   - Convert Parquet UUID logical type back to Iceberg `UUIDType` so UUID 
predicates bind correctly.
   
   Tests:
   - `./gradlew :iceberg-parquet:spotlessCheck :iceberg-parquet:test`
   
   Closes #16035
   


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