GH-22232: [C++][Python] Introduce optional default_column_type parameter - #47663

Merged

AlenkaF merged 16 commits into

apache:mainfrom

vladborovtsov:default-column-type

May 13, 2026

Commits on May 7, 2026

Introduce optional default_column_type parameter to complement column_types logic;
vladborovtsov
committed
5972d5b
Implemented tests to cover default column type
vladborovtsov
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ced0bfb
extend test_convert_options test - include. default_column_type
vladborovtsov
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fedbac7
test how default_column_type affects schema
vladborovtsov
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30bc209
docs: add examples for default_column_type; add missing reference
vladborovtsov
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62e2d21
docs: remove redundant example for default_column_type usage
vladborovtsov
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f1b44df
column builder: guard test to ensure default column type won't override inference.
vladborovtsov
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aff70b0
simplify reader tests to focus on default_column_type behavior
vladborovtsov
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1f7da3d
fix codestyle
vladborovtsov
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c42799f
resolve python lint check failure
vladborovtsov
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3c209e2
Apply suggestion from @pitrou - better inline comment for default_column_type
vladborovtsov
and
pitrou
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508b3f5
Remove default_column_type initialization
vladborovtsov
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f16f4c0
ensure column remains float64 in all cases as its explicitly typed
vladborovtsov
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db247f1
enhance default_column_type tests
vladborovtsov
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a4c7c34
add default_column_type to ConvertOptions cdef
vladborovtsov
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4b2dd10
put default_column_type field into proper place
vladborovtsov
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c1ad5f6