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Posted to jira@arrow.apache.org by "Neal Richardson (Jira)" <ji...@apache.org> on 2020/12/09 18:59:00 UTC

[jira] [Assigned] (ARROW-10852) [C++] AssertTablesEqual(verbose=true) segfaults if the left array is longer

     [ https://issues.apache.org/jira/browse/ARROW-10852?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Neal Richardson reassigned ARROW-10852:
---------------------------------------

    Assignee: Weston Pace

> [C++] AssertTablesEqual(verbose=true) segfaults if the left array is longer
> ---------------------------------------------------------------------------
>
>                 Key: ARROW-10852
>                 URL: https://issues.apache.org/jira/browse/ARROW-10852
>             Project: Apache Arrow
>          Issue Type: Bug
>          Components: C++
>    Affects Versions: 2.0.0
>            Reporter: Ben Kietzman
>            Assignee: Weston Pace
>            Priority: Major
>             Fix For: 3.0.0
>
>
> {{MultipleChunkIterator}} is used to implement the verbose comparison in AssertTablesEqual and seems to assume that the arrays have identical length. If the left chunkedarray is longer, this will result in segfaulting when trying to read nonexistent chunks of the right chunkedarray.



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