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Posted to dev@orc.apache.org by "Zherui Cao (Jira)" <ji...@apache.org> on 2021/05/18 13:12:00 UTC

[jira] [Created] (ORC-800) [ORC]if map.value is selected, map.key should be selected automatically to prevent segment fault.

Zherui Cao created ORC-800:
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             Summary: [ORC]if map.value is selected, map.key should be selected automatically to prevent segment fault.
                 Key: ORC-800
                 URL: https://issues.apache.org/jira/browse/ORC-800
             Project: ORC
          Issue Type: Improvement
            Reporter: Zherui Cao
            Assignee: Zherui Cao


Some Tools querying map as a struct so map.key and map.value is independent. But either way map is selected. Then MapVectorBatch is accessible,  once MapVectorBatch is accessible,

MapVectorBatch::toString will definitely encounter segment fault due to map.key is not selected if we only select map.value.



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