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https://issues.apache.org/jira/browse/ORC-343?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16490837#comment-16490837
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ASF GitHub Bot commented on ORC-343:
------------------------------------

Github user rip-nsk commented on the issue:

    https://github.com/apache/orc/pull/273
  
      C:\projects\orc\c++\src\RleEncoderV2.cc(187): warning C4334: '<<': result 
of 32-bit shift implicitly converted to 64 bits (was 64-bit shift intended?) 
[C:\projects\orc\build\c++\src\orc.vcxproj]
      C:\projects\orc\c++\src\RleEncoderV2.cc(203): warning C4334: '<<': result 
of 32-bit shift implicitly converted to 64 bits (was 64-bit shift intended?) 
[C:\projects\orc\build\c++\src\orc.vcxproj]
      C:\projects\orc\c++\src\RleEncoderV2.cc(334): warning C4244: 'argument': 
conversion from 'int64_t' to 'long', possible loss of data 
[C:\projects\orc\build\c++\src\orc.vcxproj]
      C:\projects\orc\c++\src\RleEncoderV2.cc(735): warning C4244: 
'initializing': conversion from 'int64_t' to 'long', possible


> Enable C++ writer to support RleV2
> ----------------------------------
>
>                 Key: ORC-343
>                 URL: https://issues.apache.org/jira/browse/ORC-343
>             Project: ORC
>          Issue Type: New Feature
>          Components: C++
>            Reporter: Yurui Zhou
>            Priority: Major
>
> Currently only the Java implementation support RleV2 encoder, the C++ 
> implementation only support RleV2 decoding. 
> The issue aims to enable the c++ writer to support RleV2 encoding.



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