code: public String getEscapedFieldDelimiter() {
          final String escaped;
  
          switch (fieldDelimiter) {
              case ';':
                  escaped = "\\semi";
                  break;
  
              case '\'':
                  escaped = "\\quote";
                  break;
  
              case ' ':
                  escaped = "\\space";
                  break;
  
              case '`':
                  escaped = "\\apos";
                  break;
  
              default:
                  escaped = String.valueOf(fieldDelimiter);
          }
  
          return escaped;
      }
docs: from http://hsqldb.org/doc/2.0/guide/texttables-chapt.html#ttc_configuration
  
  @return field delimiter expression to be used with HSQLDB