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https://issues.apache.org/jira/browse/ARROW-13522?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17392080#comment-17392080
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Antoine Pitrou commented on ARROW-13522:
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This should be fixed now. I encourage you to check using the nightly builds,
for example tomorrow:
[https://arrow.apache.org/docs/python/install.html#installing-nightly-packages]
> [C++] Regression with compute `utf8_*trim` functions on macOS.
> --------------------------------------------------------------
>
> Key: ARROW-13522
> URL: https://issues.apache.org/jira/browse/ARROW-13522
> Project: Apache Arrow
> Issue Type: Bug
> Components: C++, Python
> Affects Versions: 5.0.0
> Environment: macOS 11.5
> Reporter: A. Coady
> Assignee: Antoine Pitrou
> Priority: Major
> Labels: pull-request-available
> Fix For: 6.0.0, 5.0.1
>
> Time Spent: 1h
> Remaining Estimate: 0h
>
> {code:python}
> import pyarrow as pa
> import pyarrow.compute as pc
> arr = pa.array(["ab", "ac"])
> r = pc.utf8_ltrim(arr, characters="a")
> assert r.to_pylist() == ["b", "c"], r
> r = pc.utf8_rtrim(arr, characters="b")
> assert r.to_pylist() == ["a", "ac"], r
> {code}
> Seems to go awry after the first match.
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