[jira] [Created] (HIVE-7743) appendReadColumns should have sanity check

["Zhan Zhang (JIRA)" <ji...@apache.org>]

Zhan Zhang created HIVE-7743:
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             Summary: appendReadColumns should have sanity check
                 Key: HIVE-7743
                 URL: https://issues.apache.org/jira/browse/HIVE-7743
             Project: Hive
          Issue Type: Bug
          Components: HiveServer2
    Affects Versions: 0.13.1
            Reporter: Zhan Zhang


With appendReadColumnNames become private, user has to use 
appendReadColumns(
      Configuration conf, List<Integer> ids, List<String> names).
If the ids is empty or with length 0, there will be exception thrown. There should be sanity check with this case.

  public static void appendReadColumns(
      Configuration conf, List<Integer> ids, List<String> names) {
      if (ids != null && ids.size() > 0)
         appendReadColumns(conf, ids);
    appendReadColumnNames(conf, names);
  }



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