Merge pull request #20043 from taosdata/fix/liaohj

fix(query): set the correct rows in data block.

source/dnode/mnode/impl/src/mndSubscribe.c

@@ -966,7 +966,9 @@ static int32_t mndRetrieveSubscribe(SRpcMsg *pReq, SShowObj *pShow, SSDataBlock
 
   while (numOfRows < rowsCapacity) {
     pShow->pIter = sdbFetch(pSdb, SDB_SUBSCRIBE, pShow->pIter, (void **)&pSub);
-    if (pShow->pIter == NULL) break;
+    if (pShow->pIter == NULL) {
+      break;
+    }
 
     taosRLockLatch(&pSub->lock);
 
@@ -1075,6 +1077,9 @@ static int32_t mndRetrieveSubscribe(SRpcMsg *pReq, SShowObj *pShow, SSDataBlock
     }
 
 #endif
+
+    pBlock->info.rows = numOfRows;
+
     taosRUnLockLatch(&pSub->lock);
     sdbRelease(pSdb, pSub);
   }