fix memory leak

source/dnode/vnode/src/meta/metaQuery.c

@@ -706,7 +706,7 @@ int32_t metaGetTbTSchemaEx(SMeta *pMeta, tb_uid_t suid, tb_uid_t uid, int32_t sv
     }
   }
 
-  if (taosAssertDebug(sver > 0, __FILE__, __LINE__, "failed to get table schema version: %d", sver) < 0) {
+  if (ASSERTS(sver > 0, __FILE__, __LINE__, "failed to get table schema version: %d", sver)) {
     code = TSDB_CODE_NOT_FOUND;
     goto _exit;
   }

source/dnode/vnode/src/tsdb/tsdbUtil.c

@@ -1134,7 +1134,6 @@ void tBlockDataReset(SBlockData *pBlockData) {
   pBlockData->suid = 0;
   pBlockData->uid = 0;
   pBlockData->nRow = 0;
-  pBlockData->nColData = 0;
 }
 
 void tBlockDataClear(SBlockData *pBlockData) {