public static ObjectInspector[] getStandardObjectInspector(ObjectInspector[] ois,
      ObjectInspectorCopyOption objectInspectorOption) {
    if (ois == null) return null;

    ObjectInspector[] result = new ObjectInspector[ois.length];
    for (int i = 0; i < ois.length; i++) {
      result[i] = getStandardObjectInspector(ois[i], objectInspectorOption);
    }

    return result;
  }
Get the corresponding standard ObjectInspector array for an array of ObjectInspector.
serde/src/java/org/apache/hadoop/hive/serde2/objectinspector/ObjectInspectorUtils.java