docs: public void setFetchSize(int rows) throws SQLException {
          if (tc.isDebugEnabled())
              Tr.debug(this, tc, "setFetchSize", rows);
  
          try {
              rsetImpl.setFetchSize(rows);
          } catch (SQLException ex) {
              FFDCFilter.processException(ex, "com.ibm.ws.rsadapter.jdbc.WSJdbcResultSet.setFetchSize", "2891", this);
              throw WSJdbcUtil.mapException(this, ex);
          } catch (NullPointerException nullX) {
              // No FFDC code needed; we might be closed.
              throw runtimeXIfNotClosed(nullX);
          }
      }