docs: public static String getKeyQuery(String queryString, String name) {
          Matcher m = FROM_PATTERN.matcher(queryString);
          if (m.find()) {
              StringBuilder sb = new StringBuilder("SELECT ");
              sb.append(getAlias(queryString));
              sb.append(".");
              sb.append(name);
              sb.append(" ");
              sb.append(m.group());
              return sb.toString();
          }
  
          return null;
      }