[TD-28] fix bugs.

src/system/detail/src/vnodeQueryImpl.c

@@ -4013,7 +4013,7 @@ bool normalizedFirstQueryRange(bool dataInDisk, bool dataInCache, STableQuerySup
       }
       
       // needs the data before the begin timestamp of query time window
-      if ((*key) != pQuery->skey) {
+      if (nextKey != pQuery->skey) {
         if (!pRuntimeEnv->hasTimeWindow) {
           pQuery->skey = nextKey;  // change the query skey
         }