@Override
  public String getDisplayString(String[] children) {
    return getStandardDisplayString("likeall", children);
  }
If all patterns are constant string and no pattern have null value the do short circuit boolean check
Else evaluate all patterns if any pattern contains null value then return null otherwise at last return matching result
ql/src/java/org/apache/hadoop/hive/ql/udf/generic/GenericUDFLikeAll.java