[jira] [Created] (HIVE-15225) QueryPlan.getJSONValue should code against empty string values

["Yibing Shi (JIRA)" <ji...@apache.org>]

Yibing Shi created HIVE-15225:
---------------------------------

             Summary: QueryPlan.getJSONValue should code against empty string values
                 Key: HIVE-15225
                 URL: https://issues.apache.org/jira/browse/HIVE-15225
             Project: Hive
          Issue Type: Bug
            Reporter: Yibing Shi


The current {{QueryPlan.getJSONValue}} implementation is as below:
{code}
  public String getJSONValue(Object value) {
    String v = "null";
    if (value != null) {
      v = value.toString();
      if (v.charAt(0) != '[' && v.charAt(0) != '{') {
        v = "\"" + v + "\"";
      }
    }
    return v;
  }
{code}

When {{value.toString()}} returns an empty string, a StringIndexOutOfRangeException would be thrown out when "v.charAt(0)" is evaluated.



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