缩短间隔时间

src/execution/executor_seq_scan.h

@@ -35,7 +35,7 @@ public:
     SeqScanExecutor(SmManager *sm_manager, std::string tab_name,
                     std::vector<Condition> conds, Context *context)
     {
-        sleep(1);
+        std::this_thread::sleep_for(std::chrono::milliseconds(50));
         std::cout << "Creating SeqScanExecutor" << std::flush;
         std::cout << std::endl;
         sm_manager_ = sm_manager;