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https://issues.apache.org/jira/browse/ORC-1298?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Gang Wu reassigned ORC-1298:
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> [C++] Support dedicated ColumnVectorBatch of numeric types
> ----------------------------------------------------------
>
> Key: ORC-1298
> URL: https://issues.apache.org/jira/browse/ORC-1298
> Project: ORC
> Issue Type: Improvement
> Components: C++
> Reporter: Gang Wu
> Assignee: Hao Zou
> Priority: Major
>
> Now the C++ reader and writer use LongVectorBatch for BYTE, SHORT, INT and
> LONG types and DoubleVectorBatch for FLOAT and DOUBLE types. Then it is
> user's responsibility to guarantee no overflow happens. It would be great if
> we can support type-specific ColumnVectorBatch for these types. As this is a
> public-facing API, we may provide WriterOptions and ReaderOptions to enable
> it explicitly and turn in off by default.
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