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Posted to issues@arrow.apache.org by "Liya Fan (Jira)" <ji...@apache.org> on 2019/09/30 10:58:00 UTC

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

Liya Fan created ARROW-6738:
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             Summary: [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


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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