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https://issues.apache.org/jira/browse/ORC-1122?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Quanlong Huang reassigned ORC-1122:
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> Add buffer to decode the whole run in RleDecoderV2
> --------------------------------------------------
>
> Key: ORC-1122
> URL: https://issues.apache.org/jira/browse/ORC-1122
> Project: ORC
> Issue Type: Improvement
> Components: C++
> Reporter: Quanlong Huang
> Assignee: Quanlong Huang
> Priority: Major
>
> This is a follow up task of ORC-1020 which didn't optimize the code path when
> the run has nulls. Adding a buffer to decode the whole run at once can
> leverage the improvement of ORC-1020. Not just for the DIRECT encoding, this
> also benifits other encodings like PATCHED_BASE and DELTA. It also helps to
> remove the state variables in RleDecoderV2 and improves the code redability.
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