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bump submodule and fix issues - #723
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… in the pandas and numpy scans
Bump duckdb submodule: - Target branch: v2.0-cyanoptera - Date: 2026-10-28 05:44:47 - DuckDB SHA: b060f56de7ccaba45dd754a5ec7e2d69c1264702 - Trigger: https://github.com/duckdb/duckdb-python/actions/runs/40636351085
evertlammerts
enabled auto-merge
October 28, 2026 11:43
…b#728) Every CI test job exported the test group to a pylock.toml and installed it. uv.lock is untracked, so each job resolves afresh, and the pylock exporter downloads every wheel the index lists without a hash to compute one, for every platform of the universal resolution. The pytorch-cpu index lists torch 2.15.0's 36 wheels without hashes since this week; on 2026-10-28 four macOS Test abi3 jobs on duckdb#710, duckdb#711 and duckdb#723 died at the export, timing out on a Linux cp315 torch wheel, while every Linux and Windows job passed.
… in the pandas and numpy scans (duckdb#711) A pandas 2 categorical read through a strided view (`df[::2]`, `iloc[1::2]`) returned the rows of the full column: the category scan stepped by element while the codes view had a stride (299 of 300 rows wrong with int16 codes). A tuple of arrays, a pandas 2 Series, a range or a set, and any reversed view (`df[::-1]`) raised a bare `std::bad_cast`, where 1.5.6 read the tuple and refused the rest with a clear error.
…b#710) Fetching a TIMESTAMPTZ as a Python value needed pytz, which no dependency group declares, so a clean install failed with "Required module 'pytz' failed to import" (duckdb#406). pytz's tables end at 2037, so every DST instant from 2038 on came back one hour off (duckdb#579). Change: `PythonObject::FromValue` builds the value from `datetime.timezone.utc` and `zoneinfo.ZoneInfo(TimeZone)`. The pytz import cache item and every pytz pin in pyproject, the benchmarks and the tests are gone. We throw an error instead of relying on a `pytz` dependency when zoneinfo has no database (Windows without the tzdata package, or an ICU name IANA lacks such as ACT). Only this fetch path needs it, and a dependency would reach every install.
The engine's v2.0 branch moved to fbd180f3a40 with a backport of 181 fixes (duckdb/duckdb#27965), among them the fix for Arrow scans of empty list dictionaries (duckdb/duckdb#27626). The nightly of 2026-10-29 built against it and failed 4 of 16729 tests: the four strict xfails of `test_a_list_of_dictionaries_after_a_vector_of_empty_lists_reads_its_lists` now pass. Every nightly stays red until the markers move with the pin, which also keeps the bot from opening the bump itself.
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