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Posted to issues@arrow.apache.org by "ASF GitHub Bot (Jira)" <ji...@apache.org> on 2019/09/30 11:01:00 UTC

[jira] [Updated] (ARROW-6738) [Java] Fix problems with current union comparison logic

     [ https://issues.apache.org/jira/browse/ARROW-6738?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

ASF GitHub Bot updated ARROW-6738:
----------------------------------
    Labels: pull-request-available  (was: )

> [Java] Fix problems with current union comparison logic
> -------------------------------------------------------
>
>                 Key: ARROW-6738
>                 URL: https://issues.apache.org/jira/browse/ARROW-6738
>             Project: Apache Arrow
>          Issue Type: Bug
>          Components: Java
>            Reporter: Liya Fan
>            Assignee: Liya Fan
>            Priority: Major
>              Labels: pull-request-available
>
> There are some problems with the current union comparison logic. For example:
> 1. For type check, we should not require fields to be equal. It is possible that two vectors' value ranges are equal but their fields are different.
> 2. We should not compare the number of sub vectors, as it is possible that two union vectors have different numbers of sub vectors, but have equal values in the range.



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