When getting the numpy datatype, return datetime64[D] for pa.Date32 and return datetime64[ms] for pa.Date64#62913

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linicole74 wants to merge 18 commits intopandas-dev:mainfrom

linicole74:bug-get-common-dtype-date32-pyarrow

Commits on Oct 30, 2025

When finding the common type, return the original type if there is only one common type. Return objects for date32 and date64 types when converting those types to numpy types.
nli307
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Add bug to changelog
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Commits on Nov 8, 2025

Merge branch 'main' into bug-get-common-dtype-date32-pyarrow
nli307
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change pyarrow dtype of date32 and date64 to day and ms granularity
nli307
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working on tests
nli307
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xfail date64 tests
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working on tests
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remove print statement from test
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lint
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[pre-commit.ci] auto fixes from pre-commit.com hooks
pre-commit-ci[bot]
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skip pyarrow tests if no pyarrow
nli307
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ruff format
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