From fd61ea4b03d5b6c2100df196b99ea6a46b11dfbe Mon Sep 17 00:00:00 2001
From: Derek YU <154693526+TonyDerek-dot@users.noreply.github.com>
Date: Thu, 4 Jun 2026 16:12:55 +0800
Subject: [PATCH] fix: remove duplicate conversation_id unique index (#3713)

Group conversations store one record per owner_user_id and conversation_id pair, so a global unique index on conversation_id breaks group conversation creation with duplicate key errors.
---
 pkg/common/storage/database/mgo/conversation.go | 6 ------
 1 file changed, 6 deletions(-)

diff --git a/pkg/common/storage/database/mgo/conversation.go b/pkg/common/storage/database/mgo/conversation.go
index c1d00f0ed..2f9c063cc 100644
--- a/pkg/common/storage/database/mgo/conversation.go
+++ b/pkg/common/storage/database/mgo/conversation.go
@@ -47,12 +47,6 @@ func NewConversationMongo(db *mongo.Database) (*ConversationMgo, error) {
 			},
 			Options: options.Index(),
 		},
-		{
-			Keys: bson.D{
-				{Key: "conversation_id", Value: 1},
-			},
-			Options: options.Index().SetUnique(true),
-		},
 	})
 	if err != nil {
 		return nil, errs.Wrap(err)