From 9af6c16ea081f89bf04e565a01279ea104d42966 Mon Sep 17 00:00:00 2001
From: foxspy <xianliang.li@zilliz.com>
Date: Wed, 11 Jun 2025 15:26:38 +0800
Subject: [PATCH] fix: add describeIndex timestamp for restful interface
 (#42104)

issue: #41431

Signed-off-by: xianliang.li <xianliang.li@zilliz.com>
---
 internal/distributed/proxy/httpserver/handler_v2.go | 3 +++
 internal/distributed/proxy/httpserver/request_v2.go | 9 ++++++++-
 2 files changed, 11 insertions(+), 1 deletion(-)

diff --git a/internal/distributed/proxy/httpserver/handler_v2.go b/internal/distributed/proxy/httpserver/handler_v2.go
index 2258920db3..4669fe0e63 100644
--- a/internal/distributed/proxy/httpserver/handler_v2.go
+++ b/internal/distributed/proxy/httpserver/handler_v2.go
@@ -2240,10 +2240,13 @@ func (h *HandlersV2) listIndexes(ctx context.Context, c *gin.Context, anyReq any
 func (h *HandlersV2) describeIndex(ctx context.Context, c *gin.Context, anyReq any, dbName string) (interface{}, error) {
 	collectionGetter, _ := anyReq.(requestutil.CollectionNameGetter)
 	indexGetter, _ := anyReq.(IndexNameGetter)
+	timeGetter, _ := anyReq.(TimestampGetter)
+
 	req := &milvuspb.DescribeIndexRequest{
 		DbName:         dbName,
 		CollectionName: collectionGetter.GetCollectionName(),
 		IndexName:      indexGetter.GetIndexName(),
+		Timestamp:      timeGetter.GetTimestamp(),
 	}
 	c.Set(ContextRequest, req)
 
diff --git a/internal/distributed/proxy/httpserver/request_v2.go b/internal/distributed/proxy/httpserver/request_v2.go
index ceb85179ac..3a46f9710f 100644
--- a/internal/distributed/proxy/httpserver/request_v2.go
+++ b/internal/distributed/proxy/httpserver/request_v2.go
@@ -354,7 +354,9 @@ type OptionsGetter interface {
 type JobIDGetter interface {
 	GetJobID() string
 }
-
+type TimestampGetter interface {
+	GetTimestamp() uint64
+}
 type PasswordReq struct {
 	UserName string `json:"userName" binding:"required"`
 	Password string `json:"password" binding:"required"`
@@ -424,6 +426,7 @@ type IndexReq struct {
 	DbName         string `json:"dbName"`
 	CollectionName string `json:"collectionName" binding:"required"`
 	IndexName      string `json:"indexName" binding:"required"`
+	Timestamp      uint64 `json:"timestamp"`
 }
 
 func (req *IndexReq) GetDbName() string { return req.DbName }
@@ -435,6 +438,10 @@ func (req *IndexReq) GetIndexName() string {
 	return req.IndexName
 }
 
+func (req *IndexReq) GetTimestamp() uint64 {
+	return req.Timestamp
+}
+
 type IndexReqWithProperties struct {
 	DbName         string                 `json:"dbName"`
 	CollectionName string                 `json:"collectionName" binding:"required"`