docs: public void planSwapTables() {
          // reset any error message
          m_recentErrorMsg = null;
  
          // Reset plan node ids to start at 1 for this plan
          AbstractPlanNode.resetPlanNodeIds();
  
          assert(m_sql.startsWith("@SwapTables "));
          String[] swapTableArgs = m_sql.split(" ");
          m_xmlSQL = forgeVoltXMLForSwapTables(
                  swapTableArgs[1], swapTableArgs[2]);
          m_planSelector.outputCompiledStatement(m_xmlSQL);
      }