diff --git a/src/client/src/tscUtil.c b/src/client/src/tscUtil.c
index 5a724af7bf17e4aa09eac880f6c6176db4bdd96d..59812df9dbb293eccabbfbb574b73d8e2cd967fc 100644
--- a/src/client/src/tscUtil.c
+++ b/src/client/src/tscUtil.c
@@ -234,7 +234,10 @@ bool tscIsProjectionQueryOnSTable(SQueryInfo* pQueryInfo, int32_t tableIndex) {
         functionId != TSDB_FUNC_DIFF &&
         functionId != TSDB_FUNC_DERIVATIVE &&
         functionId != TSDB_FUNC_TS_DUMMY &&
-        functionId != TSDB_FUNC_TID_TAG) {
+        functionId != TSDB_FUNC_TID_TAG &&
+        functionId != TSDB_FUNC_CEIL &&
+        functionId != TSDB_FUNC_FLOOR &&
+        functionId != TSDB_FUNC_ROUND) {
       return false;
     }
   }