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https://issues.apache.org/jira/browse/ORC-185?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15993989#comment-15993989
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ASF GitHub Bot commented on ORC-185:
------------------------------------

Github user wgtmac commented on a diff in the pull request:

    https://github.com/apache/orc/pull/116#discussion_r114447159
  
    --- Diff: c++/src/Statistics.hh ---
    @@ -41,49 +41,181 @@ namespace orc {
       };
     
     /**
    + * Internal Statistics Implementation
    + */
    +
    +  template <typename T>
    +  class InternalStatisticsImpl {
    +  private:
    +    bool hasNull_;
    --- End diff --
    
    For the naming here, underscore is not consistent with the current code 
base. (Only current XXColumnStatistics classes use "_" in the beginning of 
members but I don't think they should be fixed)


> [C++] Simplify Statististics Implementation
> -------------------------------------------
>
>                 Key: ORC-185
>                 URL: https://issues.apache.org/jira/browse/ORC-185
>             Project: ORC
>          Issue Type: Bug
>            Reporter: Deepak Majeti
>            Assignee: Deepak Majeti
>
> There is a lot of code duplication in the current ColumnStatistics 
> implementation. The scope of this JIRA is to use templates to reuse code as 
> much as possible.



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