fsaintjacques commented on a change in pull request #7000:
URL: https://github.com/apache/arrow/pull/7000#discussion_r412452967
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File path: python/pyarrow/tests/test_dataset.py
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@@ -671,41 +669,29 @@ def test_fragments(tempdir):
f = fragments[0]
# file's schema does not include partition column
- phys_schema = f.schema.remove(f.schema.get_field_index('part'))
- assert f.format.inspect(f.path, f.filesystem) == phys_schema
+ assert f.physical_schema.names == ['f1', 'f2']
+ assert f.format.inspect(f.path, f.filesystem) == f.physical_schema
assert f.partition_expression.equals(ds.field('part') == 'a')
# scanning fragment includes partition columns
- result = f.to_table()
- assert f.schema == result.schema
+ result = f.to_table(schema=dataset.schema)
assert result.column_names == ['f1', 'f2', 'part']
- assert len(result) == 4
assert result.equals(table.slice(0, 4))
-
- # scanning fragments follow column projection
- fragments = list(dataset.get_fragments(columns=['f1', 'part']))
Review comment:
Via kwargs to `self._scanner` then forwarding kwargs to
`Scanner.from_fragment`
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