zhengxiang378928908-code commented on PR #18361:
URL: https://github.com/apache/iceberg/pull/18361#issuecomment-6399615802

   Thanks for the update. I re-ran my probe on `b9aa4ab9b`. All three cases 
from my earlier comment now pass on format versions 2–4: commit and scan 
planning succeed, with one planned task and one associated delete in each case 
(data and position delete/DV both built before the promotion; data built before 
with the delete built after; an equality delete built before, applied to data 
appended after). The same 14 core test classes as last time report 1,783 tests, 
205 skipped, and zero failures or errors.
   
   One request: the new commit changes only `ManifestWriter`, so the 
delete-file path still has no test in this PR. Could you add the 
position-delete/DV and equality-delete cases to the test suite, e.g. next to 
the existing `TestMergeAppend` cases using `newRowDelta()`? For the 
equality-delete case, please also run scan planning, because a missing 
`equalityFieldIds` only fails there. I'm happy to share my probe test as a 
starting point.
   
   These are still metadata-only probes through the core API; they don't read 
actual data or delete-file contents.
   


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