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Posted to github@arrow.apache.org by "acdha (via GitHub)" <gi...@apache.org> on 2025/12/08 21:24:13 UTC

Re: [I] [Python] `pa.Table.from_pylist` support list of tuples? [arrow]

acdha commented on issue #43435:
URL: https://github.com/apache/arrow/issues/43435#issuecomment-3629065280

   At the very least, this issue is annoying for causing data-loss issues because Pyarrow appears to process the data but stores only nulls and will do so completely silently unless at least one schema column has nullable=False. I fortunately noticed that in a new export script but the situation is confusing because it claims the column has nulls when you know the source data does not.


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