grantatspothero opened a new pull request, #16957:
URL: https://github.com/apache/iceberg/pull/16957

   Position deletes/DVs with partition values that differ from referenced data 
files are invalid and corrupt per iceberg spec:
   https://iceberg.apache.org/spec/#scan-planning
   
   > A position delete file must be applied to a data file when all of the 
following are true:
   **The data file's file_path is equal to the delete file's 
referenced_data_file if it is non-null**
   **The data file's partition (both spec and partition values) is equal to the 
delete file's partition**
   
   This PR fails table scans when corrupt metadata is detected. 
   
   See linked PR for discussion: https://github.com/apache/iceberg/pull/16939


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