[jira] [Updated] (HIVE-4798) NPE when we call isSame from an instance of ExprNodeConstantDesc with null value

["Yin Huai (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HIVE-4798?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Yin Huai updated HIVE-4798:
---------------------------

    Assignee: Yin Huai
    
> NPE when we call isSame from an instance of ExprNodeConstantDesc with null value
> --------------------------------------------------------------------------------
>
>                 Key: HIVE-4798
>                 URL: https://issues.apache.org/jira/browse/HIVE-4798
>             Project: Hive
>          Issue Type: Bug
>            Reporter: Yin Huai
>            Assignee: Yin Huai
>
> Take a look at the code
> {code}
>   @Override
>   public boolean isSame(Object o) {
>     if (!(o instanceof ExprNodeConstantDesc)) {
>       return false;
>     }
>     ExprNodeConstantDesc dest = (ExprNodeConstantDesc) o;
>     if (!typeInfo.equals(dest.getTypeInfo())) {
>       return false;
>     }
>     if (!value.equals(dest.getValue())) {
>       return false;
>     }
>     return true;
>   }
> {\code}
> value is an Object.

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