docs: public Statement getStatement() throws SQLException {
          // The parent of a ResultSet may be a Statement or a MetaData.
          // For ResultSets created by MetaDatas, the getStatement method should return null,
          // unless the result set is closed.
  
          if (state == State.CLOSED || parentWrapper == null)
              throw createClosedException("ResultSet"); 
  
          if (parentWrapper instanceof WSJdbcDatabaseMetaData)
              return null;
  
          return (Statement) parentWrapper;
      }