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Posted to github@arrow.apache.org by "ypsah (via GitHub)" <gi...@apache.org> on 2025/04/20 15:58:04 UTC
Re: [I] pyarrow.compute.field("x").isin(0.0) incorrectly filters out all rows when they all match [arrow]
ypsah commented on issue #46183:
URL: https://github.com/apache/arrow/issues/46183#issuecomment-2817232884
While the bug appears to have existed for numerous versions and its impact must have been limited until now, [apache/iceberg-python](https://github.com/apache/iceberg-python)'s particular usage of `pyarrow` makes it a more concrete issue now: partitioned datasets include the partition columns (making it more likely that a whole fragment includes only `0.0`).
This is how I initially encountered this issue, and mistakenly attributed it to `apache/iceberg-python`: https://github.com/apache/iceberg-python/issues/1937.
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