[jira] [Resolved] (ARROW-13437) [C++] Slice of FixedSizeList fails ValidateFull

["Antoine Pitrou (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/ARROW-13437?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Antoine Pitrou resolved ARROW-13437.
------------------------------------
    Fix Version/s: 5.0.0
       Resolution: Fixed

Issue resolved by pull request 10783
[https://github.com/apache/arrow/pull/10783]

> [C++] Slice of FixedSizeList fails ValidateFull
> -----------------------------------------------
>
>                 Key: ARROW-13437
>                 URL: https://issues.apache.org/jira/browse/ARROW-13437
>             Project: Apache Arrow
>          Issue Type: Bug
>          Components: C++
>    Affects Versions: 4.0.1
>            Reporter: David Li
>            Assignee: David Li
>            Priority: Major
>              Labels: pull-request-available
>             Fix For: 5.0.0
>
>          Time Spent: 0.5h
>  Remaining Estimate: 0h
>
> {code:python}
> >>> arr = pa.array([["a", "b"], None, ["c", "d"]], pa.list_(pa.string(), 2))
> >>> arr.validate(full=True)
> >>> arr.slice(0, 1).validate(full=True)
> Traceback (most recent call last):
>   File "<stdin>", line 1, in <module>
>   File "pyarrow/array.pxi", line 1219, in pyarrow.lib.Array.validate
>   File "pyarrow/error.pxi", line 97, in pyarrow.lib.check_status
> pyarrow.lib.ArrowInvalid: Values length (6) is not equal to the length (1) multiplied by the value size (2)
> {code}
> Came up while looking at ARROW-13222. I'm not sure of the check here is necessarily valid, given slicing; it should perhaps only check that values length >= length * value_size, not that they're exactly equal.



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