sungwy commented on code in PR #1046:
URL: https://github.com/apache/iceberg-python/pull/1046#discussion_r1713828705
##########
pyiceberg/table/__init__.py:
##########
@@ -3379,13 +3379,14 @@ def _copy_with_new_status(entry: ManifestEntry, status:
ManifestEntryStatus) ->
existing_entries = []
for entry in
manifest_file.fetch_manifest_entry(io=self._io, discard_deleted=True):
if strict_metrics_evaluator(entry.data_file) ==
ROWS_MUST_MATCH:
+ # Based on the metadata, it can be dropped
right away
deleted_entries.append(_copy_with_new_status(entry,
ManifestEntryStatus.DELETED))
self._deleted_data_files.add(entry.data_file)
- elif inclusive_metrics_evaluator(entry.data_file)
== ROWS_CANNOT_MATCH:
-
existing_entries.append(_copy_with_new_status(entry,
ManifestEntryStatus.EXISTING))
else:
- # Based on the metadata, it is unsure to say
if the file can be deleted
- partial_rewrites_needed = True
+ # Based on the metadata, we cannot determine
if it can be deleted
+
existing_entries.append(_copy_with_new_status(entry,
ManifestEntryStatus.EXISTING))
Review Comment:
I see, so even when we are rewriting the data partially, we still need to
add the new manifestentries as "existing" entries in order to track the new
data files that are re-written.
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