tsreaper opened a new pull request, #8596:
URL: https://github.com/apache/paimon/pull/8596

   ### Purpose
   
   `rewrite_file_index` currently generates a compaction commit message even 
when file index processing does not change the data file metadata, for example 
when the table has no file index configured.
   
   This produces identical `compactBefore` and `compactAfter` entries and 
incorrectly triggers file deletion conflict detection.
   
   This PR skips unchanged files in both Flink and Spark.
   
   ### Tests
   
   * `RewriteFileIndexProcedureITCase`
   * `RewriteFileIndexProcedureTest`
   


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