Bug/AP-25573 Fix bugs with pandas >= 2.1.0#56

Merged

chaubold merged 8 commits intomasterfrom

bug/AP-25573-pandas-2-3-support

Feb 9, 2026

Commits on Feb 5, 2026

AP-25573: Parameterize ArrowTableTest with empty table
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AP-25573: Add comment about changed pd.concat behavior
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AP-25573: Remove special case in KnimePandasExtensionArray.take for empty arrays
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AP-25573: Prevent using default float64 type for empty arrays instead of int/bool
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AP-25573: Shortcut for isna if extension array is empty
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AP-25573: Shortcut for KnimePandasExtensionArray.take if all indices are taken
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AP-25573: Add todo comment for batch merging bug in KnimePandasExtensionArray.take
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AP-25573: Add TODO comment about splitting before writing Arrow tables
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