test diff

Author: ppzqh

content/en/blog/releases/Kitex/release-v0_15_1.md

@@ -156,9 +156,37 @@ commit a1008887b9ab4553a79ce82cf6d3db324c344977
 - The old version set `ServiceSearcher` on rpcinfo; the new version moves it to context to optimize Get/Set performance.
 ```diff
 commit a1008887b9ab4553a79ce82cf6d3db324c344977
-// SetOrCheckMethodName is used to set method name to invocation.
+Author: Jayant <xiezhengyao@bytedance.com>
+Date:   Wed Sep 17 15:52:37 2025 +0800
+
+    perf: optimize cost of setting service searcher and update min go version to 1.20 (#1855)
+
+diff --git a/pkg/remote/codec/util.go b/pkg/remote/codec/util.go
+index d8e293d4..c257d8b8 100644
+--- a/pkg/remote/codec/util.go
++++ b/pkg/remote/codec/util.go
+@@ -32,7 +32,7 @@ const (
+ )
+ 
+ // SetOrCheckMethodName is used to set method name to invocation.
 -func SetOrCheckMethodName(methodName string, message remote.Message) error {
 +func SetOrCheckMethodName(ctx context.Context, methodName string, message remote.Message) error {
+ 	ri := message.RPCInfo()
+ 	ink := ri.Invocation()
+ 	callMethodName := ink.MethodName()
+@@ -52,10 +52,7 @@ func SetOrCheckMethodName(methodName string, message remote.Message) error {
+ 	var svcInfo *serviceinfo.ServiceInfo
+ 	var methodInfo serviceinfo.MethodInfo
+ 	// for ping pong server, svc info is nil until the request decoded
+-	svcSearcher := remote.GetServiceSearcher(ri)
+-	if svcSearcher == nil {
+-		return errors.New("RPCInfo doesn't contains a service searcher")
+-	}
++	svcSearcher := remote.GetServiceSearcher(ctx)
+ 	svcInfo = svcSearcher.SearchService(ink.ServiceName(), methodName, false, ri.Config().PayloadCodec())
+ 	if svcInfo == nil {
+ 		return remote.NewTransErrorWithMsg(remote.UnknownService, fmt.Sprintf("unknown service %s, method %s", ink.ServiceName(), methodName))
+
 ```
 - This simultaneously affects the definition of `codec.SetOrCheckMethodName`, adding `context.Context` as a parameter.