Fix Python UDAF list-of-timestamps return by enforcing list-valued scalars and caching PyArrow types - #1347

Merged

timsaucer merged 22 commits into

apache:mainfrom

kosiew:typeconversion-issue-1339

Feb 18, 2026

Commits on Jan 20, 2026

Implement UDAF improvements for list type handling
kosiew
committed
5f10176
Document UDAF list-valued scalar returns
kosiew
committed
fbba2a0
Fix pyarrow calls and improve type handling in RustAccumulator
kosiew
committed
21906bb
Refactor RustAccumulator to support pyarrow array types and improve type checking for list types
kosiew
committed
7f363a7
Fixed PyO3 type mismatch by cloning Array/ChunkedArray types before unbinding and binding fresh copies when checking array-likeness, eliminating the Bound reference error
kosiew
committed
5271ba2
Add timezone information to datetime objects in test_udaf_list_timestamp_return
kosiew
committed
9c59258
clippy fix
kosiew
committed
6742954

Commits on Feb 6, 2026

Commits on Feb 18, 2026