diff --git a/src/query/src/qExecutor.c b/src/query/src/qExecutor.c
index f8119b0d4ad07ea235f8e098149a8703a416427e..7d171dff9abd7dfb8095a1712e67d250f5776895 100644
--- a/src/query/src/qExecutor.c
+++ b/src/query/src/qExecutor.c
@@ -213,6 +213,10 @@ bool doFilterData(SQuery *pQuery, int32_t elemPos) {
   return true;
 }
 
+bool doFilterDataOnce() {
+
+}
+
 int64_t getNumOfResult(SQueryRuntimeEnv *pRuntimeEnv) {
   SQuery *pQuery = pRuntimeEnv->pQuery;
   bool    hasMainFunction = hasMainOutput(pQuery);