docs: public VoltTable[] run(SystemProcedureExecutionContext ctx, byte[] serializedBatchData) {
          VoltTable[] result = runAdHoc(ctx, serializedBatchData);
  
          String stmt = new String(
                  decodeSerializedBatchData(serializedBatchData).getSecond()[0].sql,
                  Constants.UTF8ENCODING);
          // stmt is of the format "@SwapTables <table1> <table2>"
          String[] stmtParams = stmt.split(" ");
          performSwapTablesCallback(stmtParams[1], stmtParams[2]);
  
          return result;
      }