From 606d4c24cd9d06dd7a27faead2d7a577e6b0d4d2 Mon Sep 17 00:00:00 2001
From: congqixia <congqi.xia@zilliz.com>
Date: Fri, 22 Aug 2025 04:49:46 +0800
Subject: [PATCH] enhance: Use function def determine field `IsFunctionOutput`
 only (#43979)

Related to #35853

Signed-off-by: Congqi Xia <congqi.xia@zilliz.com>
---
 internal/proxy/util.go | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/internal/proxy/util.go b/internal/proxy/util.go
index 5db9558ff0..68611e836c 100644
--- a/internal/proxy/util.go
+++ b/internal/proxy/util.go
@@ -835,6 +835,11 @@ func validateFunction(coll *schemapb.CollectionSchema) error {
 	usedOutputField := typeutil.NewSet[string]()
 	usedFunctionName := typeutil.NewSet[string]()
 
+	// reset `IsFunctionOuput` despite any user input, this shall be determined by function def only.
+	for _, field := range coll.Fields {
+		field.IsFunctionOutput = false
+	}
+
 	for _, function := range coll.GetFunctions() {
 		if err := checkFunctionBasicParams(function); err != nil {
 			return err