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pupyarrow: bugfix: null-typed columns don't consume offset buffers #67

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Merged
jpc merged 1 commit into from
May 14, 2026
Merged

pupyarrow: bugfix: null-typed columns don't consume offset buffers #67

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2 changes: 2 additions & 0 deletions wsds/pupyarrow/pupyarrow.py
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Original file line number Diff line number Diff line change
Expand Up @@ -936,6 +936,8 @@ def _compute_buffer_indices(self) -> list[tuple[int, int]]:
@staticmethod
def _get_num_buffers_for_type(type_id: ArrowType) -> int:
"""Return the number of buffers used by a type."""
if type_id == ArrowType.Null:
return 0
if type_id in (ArrowType.Utf8, ArrowType.Binary):
return 3
if type_id in (ArrowType.LargeUtf8, ArrowType.LargeBinary):
Expand Down