fix: fix illegal usage of _isfilled/_irowts

source/libs/parser/src/parTranslater.c

@@ -1530,12 +1530,13 @@ static int32_t translateInterpPseudoColumnFunc(STranslateContext* pCxt, SFunctio
   if (!fmIsInterpPseudoColumnFunc(pFunc->funcId)) {
     return TSDB_CODE_SUCCESS;
   }
-  if (!isSelectStmt(pCxt->pCurrStmt) || NULL == ((SSelectStmt*)pCxt->pCurrStmt)->pWindow) {
-    return generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_INVALID_WINDOW_PC);
+  if (!isSelectStmt(pCxt->pCurrStmt)) {
+    return generateSyntaxErrMsgExt(&pCxt->msgBuf, TSDB_CODE_PAR_NOT_ALLOWED_FUNC,
+                                   "%s must be used in select statements", pFunc->functionName);
   }
-  if (beforeWindow(pCxt->currClause)) {
-    return generateSyntaxErrMsgExt(&pCxt->msgBuf, TSDB_CODE_PAR_INVALID_WINDOW_PC, "There mustn't be %s",
-                                   pFunc->functionName);
+  if (pCxt->currClause == SQL_CLAUSE_WHERE) {
+    return generateSyntaxErrMsgExt(&pCxt->msgBuf, TSDB_CODE_PAR_INVALID_INTERP_CLAUSE,
+                                   "%s is not allowed in where clause", pFunc->functionName);
   }
   return TSDB_CODE_SUCCESS;
 }
@@ -1837,6 +1838,9 @@ static int32_t translateNormalFunction(STranslateContext* pCxt, SFunctionNode* p
   if (TSDB_CODE_SUCCESS == code) {
     code = translateInterpFunc(pCxt, pFunc);
   }
+  if (TSDB_CODE_SUCCESS == code) {
+    code = translateInterpPseudoColumnFunc(pCxt, pFunc);
+  }
   if (TSDB_CODE_SUCCESS == code) {
     code = translateTimelineFunc(pCxt, pFunc);
   }