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https://issues.apache.org/jira/browse/ORC-800?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Zherui Cao reassigned ORC-800:
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> [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
> Priority: Major
>
> 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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