code: String getTypeName() {
  
          return typeSub == Types.TYPE_SUB_IGNORECASE
                 ? Types.getTypeName(Types.VARCHAR_IGNORECASE)
                 : Types.getTypeName(type);
      }
docs: Retrieves the canonical data type name HSQLDB associates with
  the type.  <p>
  
  This typically matches the designated JDBC name, with one or
  two exceptions. <p>
  
  @return the canonical data type name HSQLDB associates with the type