code: public static boolean isJDBC3(Overrider overrider) {
          boolean result = false;
  
          if (overrider.hasOverride(MjdbcConstants.OVERRIDE_INT_JDBC3) == true) {
              result = (Boolean) overrider.getOverride(MjdbcConstants.OVERRIDE_INT_JDBC3);
          }
  
          return result;
      }
docs: Returns if JDBC3 driver is used.
  Actual check is done during QueryRunner instance initialization.
  
  @return true if JDBC3 Driver is used