private static String stripPrefixQuotationAndBrackets(String input) {
    String output = input.replaceAll("[\\`\\\"\\[\\]]", "").replaceAll("[^\\.]*\\.", "");
    return output;
  }
Strips out quotation characters ('"[]) and schema prefixes from identifiers
(table / columns / constraint names)
@param input an identifier
@return the important part of the identifier
ambari-server/src/test/java/org/apache/ambari/server/orm/db/DDLTestUtils.java