fix bug

source/client/src/clientImpl.c

@@ -704,7 +704,8 @@ void launchAsyncQuery(SRequestObj* pRequest, SQuery* pQuery) {
       break;
     }
     case QUERY_EXEC_MODE_EMPTY_RESULT:
-      pRequest->type = TSDB_SQL_RETRIEVE_EMPTY_RESULT;
+      pRequest->type = TSDB_SQL_RETRIEVE_EMPTY_RESULT;      
+      pRequest->body.queryFp(pRequest->body.param, pRequest, 0);
       break;
     default:
       break;

source/libs/parser/src/parUtil.c

@@ -714,8 +714,6 @@ int32_t getTableVgroupFromCache(SParseMetaCache* pMetaCache, const SName* pName,
   SVgroupInfo* pVg = NULL;
   int32_t      code = getMetaDataFromHash(fullName, strlen(fullName), pMetaCache->pTableVgroup, (void**)&pVg);
   if (TSDB_CODE_SUCCESS == code) {
-    ASSERT(0 != pVg->vgId);
-    ASSERT(0 != pVg->epSet.eps[pVg->epSet.inUse].fqdn[0]);
     memcpy(pVgroup, pVg, sizeof(SVgroupInfo));
   }
   return code;