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Posted to issues@orc.apache.org by "William Hyun (Jira)" <ji...@apache.org> on 2022/09/03 22:44:00 UTC

[jira] [Closed] (ORC-1005) Make that the java and C++ implementations of determineEncoding in RunLengthIntegerWriterV2 are consistent.

     [ https://issues.apache.org/jira/browse/ORC-1005?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

William Hyun closed ORC-1005.
-----------------------------

> Make that the java and C++ implementations of determineEncoding in RunLengthIntegerWriterV2 are consistent.
> -----------------------------------------------------------------------------------------------------------
>
>                 Key: ORC-1005
>                 URL: https://issues.apache.org/jira/browse/ORC-1005
>             Project: ORC
>          Issue Type: Improvement
>          Components: C++, Java
>    Affects Versions: 1.8.0
>            Reporter: Yiqun Zhang
>            Assignee: Yiqun Zhang
>            Priority: Minor
>             Fix For: 1.8.0
>
>
> The current Java determineEncoding implementation is not optimal and may calculate ZigzagLiterals and zzBits100p before deciding on DELTA encoding, which is redundant.
> It is better to make the java implementation consistent with c++.



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