From 770ae47471356b297930d34ab3990039d3d9af45 Mon Sep 17 00:00:00 2001
From: cofecatt <60803595+cofecatt@users.noreply.github.com>
Date: Sun, 6 Nov 2022 01:43:27 +0800
Subject: [PATCH] feat: fix memory leak problem (#1257)

---
 object/syncer_user.go | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/object/syncer_user.go b/object/syncer_user.go
index cc8cbfb9..05d4c4f3 100644
--- a/object/syncer_user.go
+++ b/object/syncer_user.go
@@ -37,7 +37,16 @@ func (syncer *Syncer) getOriginalUsers() ([]*OriginalUser, error) {
 		return nil, err
 	}
 
-	return syncer.getOriginalUsersFromMap(results), nil
+	// Memory leak problem handling
+	// https://github.com/casdoor/casdoor/issues/1256
+	users := syncer.getOriginalUsersFromMap(results)
+	for _, m := range results {
+		for k := range m {
+			delete(m, k)
+		}
+	}
+
+	return users, nil
 }
 
 func (syncer *Syncer) getOriginalUserMap() ([]*OriginalUser, map[string]*OriginalUser, error) {