wombatu-kun commented on PR #16388:
URL: https://github.com/apache/iceberg/pull/16388#issuecomment-5086642768

   @RussellSpitzer @rdblue this has been open since May 18 with no review (it 
already collected a stale-bot warning). CI is green (56/56) and it still merges 
cleanly on current `main`, so it is only waiting on a reviewer.
   
   `StagedSparkTable.abortStagedChanges()` is an empty `// TODO: clean up`, so 
a failed atomic CTAS/RTAS leaks the manifests and manifest list already written 
into the uncommitted transaction. For a staged CREATE the table is never 
registered, so `removeOrphanFiles` cannot reach those files and they leak 
permanently. The fix adds a best-effort no-op `Transaction.abortTransaction()` 
default and wires it up.
   


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