public static String getFieldName(int field) {
      return FIELD_NAME[field];
  }
Returns the name of the specified calendar field.

@param field the calendar field
@return the calendar field name
@exception IndexOutOfBoundsException if <code>field</code> is negative,
equal to or greater than <code>FIELD_COUNT</code>.
common/src/java/org/apache/hive/common/util/DateUtils.java