tsdb

In https://github.com/taosdata/TDengine/blob/develop/src/client/src/tscPrepare.c, Local variable loopCont is assigned only once, to a constant value, making it effectively constant throughout its scope. If this is not the intent, examine the logic to see if there is a missing assignment that would make loopCont not remain constant.

So the 1567th line should be removed.
![image](https://user-im

Describe the bug

The worker contains the following code:

for (int i = 0; i < n; i++) {
     Unsafe.getUnsafe().loadFence();
      try {
          try {
               useful |= jobs.get(i).run(workerId);
          } catch (Throwable e) {
               onError(i, e);
          }
        } finally {
          Unsafe.getUnsafe().storeFence();
          }
     }

I be