Keep columns with the same name, and key CSV column types by the reader's column labels - #1050

Merged

laughingman7743 merged 6 commits into

fix/1032-result-set-defects

Oct 4, 2026

Commits on Oct 4, 2026

Keep columns with the same name and header-like rows on later fallback pages

laughingman7743
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claude
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d724287
Cover the pyarrow CSV engine fallback for column names that repeat

laughingman7743
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claude
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3ee10ab
Key the CSV column options by the labels that pandas and Polars give the columns

laughingman7743
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claude
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3216542
Rename Polars columns after reading, and convert Arrow rows by position

laughingman7743
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claude
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0e1cc83
Let Polars rename the columns when execute() replaces the schema overrides

laughingman7743
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claude
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fb7bfab
Leave new_columns to Polars for .txt results when execute() gives the types

laughingman7743
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claude
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e783222