yihua commented on PR #851:
URL: https://github.com/apache/hudi-rs/pull/851#issuecomment-6513423966

   Addressed the latest review pass (3e56ebcb..85dc9ee7):
   
   - Partition pruning treats `__HIVE_DEFAULT_PARTITION__` as `''` for string 
fields and as null otherwise, so `category = 'A'` prunes it (969dabf7).
   - Archival aborts when a clean or compaction plan read fails with anything 
but NotFound, instead of archiving without the plan (e61fccbc); a failed 
post-commit bookkeeping now logs a warning (85dc9ee7).
   - Record index instant times decode in the table's timeline zone, matching 
the encode side (09854ca9).
   - The simple index fallback picks the copy by partition path, then file id, 
not listing order (92b1fc29, e9b0caa3).
   - Log block merging lives in `FilesPartitionMerger::merge_log_groups` 
(82966039), and the unreachable round-trip fallback in the append schema check 
is gone (9eaddc3c).
   - COW write stats count a winning delete marker as a delete, as Java's merge 
handle does (315e3628).
   
   Keyed deletes stay per-partition on both table types: a key requested in a 
partition it isn't stored in matches nothing, and an empty partition deletes 
the key wherever it is stored.
   


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