diff --git a/source/libs/parser/src/parTranslater.c b/source/libs/parser/src/parTranslater.c
index 879f527a85..85d9ddde85 100755
--- a/source/libs/parser/src/parTranslater.c
+++ b/source/libs/parser/src/parTranslater.c
@@ -2608,7 +2608,8 @@ static int32_t calcSelectFuncNum(SFunctionNode* pFunc, int32_t currSelectFuncNum
                                   : 1);
 }
 
-static void setFuncClassification(SNode* pCurrStmt, SFunctionNode* pFunc) {
+static void setFuncClassification(STranslateContext* pCxt, SFunctionNode* pFunc) {
+  SNode* pCurrStmt = pCxt->pCurrStmt;
   if (NULL != pCurrStmt && QUERY_NODE_SELECT_STMT == nodeType(pCurrStmt)) {
     SSelectStmt* pSelect = (SSelectStmt*)pCurrStmt;
     pSelect->hasAggFuncs = pSelect->hasAggFuncs ? true : fmIsAggFunc(pFunc->funcId);
@@ -2641,7 +2642,9 @@ static void setFuncClassification(SNode* pCurrStmt, SFunctionNode* pFunc) {
     pSelect->hasLastFunc = pSelect->hasLastFunc ? true : (FUNCTION_TYPE_LAST == pFunc->funcType);
     pSelect->hasTimeLineFunc = pSelect->hasTimeLineFunc ? true : fmIsTimelineFunc(pFunc->funcId);
     pSelect->hasUdaf = pSelect->hasUdaf ? true : fmIsUserDefinedFunc(pFunc->funcId) && fmIsAggFunc(pFunc->funcId);
-    pSelect->onlyHasKeepOrderFunc = pSelect->onlyHasKeepOrderFunc ? fmIsKeepOrderFunc(pFunc->funcId) : false;
+    if (SQL_CLAUSE_SELECT == pCxt->currClause) {
+      pSelect->onlyHasKeepOrderFunc = pSelect->onlyHasKeepOrderFunc ? fmIsKeepOrderFunc(pFunc->funcId) : false;
+    }
   }
 }
 
@@ -2903,7 +2906,7 @@ static int32_t translateNormalFunction(STranslateContext* pCxt, SNode** ppNode)
     code = translateBlockDistFunc(pCxt, pFunc);
   }
   if (TSDB_CODE_SUCCESS == code) {
-    setFuncClassification(pCxt->pCurrStmt, pFunc);
+    setFuncClassification(pCxt, pFunc);
   }
   return code;
 }