opti:wal logic

source/dnode/vnode/src/tq/tqRead.c

@@ -224,6 +224,7 @@ int32_t tqFetchLog(STQ* pTq, STqHandle* pHandle, int64_t* fetchOffset, uint64_t
             goto END;
           } else {
             offset++;
+            code = -1;
             continue;
           }
         }
@@ -234,6 +235,7 @@ int32_t tqFetchLog(STQ* pTq, STqHandle* pHandle, int64_t* fetchOffset, uint64_t
       }
       offset++;
     }
+    code = -1;
   }
 
 END:

source/dnode/vnode/src/tq/tqUtil.c

@@ -216,7 +216,6 @@ static int32_t extractDataAndRspForDbStbSubscribe(STQ* pTq, STqHandle* pHandle,
     walReaderVerifyOffset(pHandle->pWalReader, offset);
     int64_t fetchVer = offset->version;
 
-    walSetReaderCapacity(pHandle->pWalReader, 2048);
     int totalRows = 0;
     while (1) {
       int32_t savedEpoch = atomic_load_32(&pHandle->epoch);