kevinjqliu commented on code in PR #956:
URL: https://github.com/apache/iceberg-python/pull/956#discussion_r1687344048
##########
pyiceberg/table/__init__.py:
##########
@@ -1178,10 +1178,15 @@ def update_table_metadata(
"""
context = _TableMetadataUpdateContext()
new_metadata = base_metadata
+ new_metadata = new_metadata.model_copy(update={"last_updated_ms": 0})
for update in updates:
new_metadata = _apply_table_update(update, new_metadata, context)
Review Comment:
I think it might be more intuitive for the `_apply_table_update` to update
the `last_updated_ms` field as it updates the table metadata.
For example, in this
https://github.com/apache/iceberg-python/blob/3966263d935b92bcf98877ce9ba8ea26c08a283f/pyiceberg/table/__init__.py#L928-L934
there are checks to just return the table metadata without any updates
##########
tests/table/test_init.py:
##########
@@ -598,7 +598,7 @@ def test_apply_set_properties_update(table_v2: Table) ->
None:
base_metadata = table_v2.metadata
new_metadata_no_update = update_table_metadata(base_metadata,
(SetPropertiesUpdate(updates={}),))
- assert new_metadata_no_update == base_metadata
Review Comment:
since theres no updates to the metadata, I would expect the
`last_updated_ms` to not change
##########
tests/catalog/test_glue.py:
##########
@@ -707,6 +707,7 @@ def test_commit_table_update_schema(
test_catalog.create_namespace(namespace=database_name)
table = test_catalog.create_table(identifier, table_schema_nested)
original_table_metadata = table.metadata
+ last_update_ms = original_table_metadata.last_updated_ms
Review Comment:
nit: not necessary to check `last_update_ms` for all updates. perhaps just
when unit testing `update_table_metadata`
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