From f96526ffc23fdd99ab47abda67fb579a1ad764f9 Mon Sep 17 00:00:00 2001
From: Erik Johnston <erik@matrix.org>
Date: Wed, 23 Mar 2016 15:01:05 +0000
Subject: [PATCH] Intern sender, event_id and room_id in events

---
 synapse/events/__init__.py | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/synapse/events/__init__.py b/synapse/events/__init__.py
index 2ceac19adb..63004eaf04 100644
--- a/synapse/events/__init__.py
+++ b/synapse/events/__init__.py
@@ -146,6 +146,11 @@ class FrozenEvent(EventBase):
         event_dict["type"] = intern_string(event_dict["type"])
         if "state_key" in event_dict:
             event_dict["state_key"] = intern_string(event_dict["state_key"])
+        if "sender" in event_dict:
+            event_dict["sender"] = intern_string(event_dict["sender"])
+
+        event_dict["event_id"] = intern(event_dict["event_id"].encode('ascii'))
+        event_dict["room_id"] = intern(event_dict["room_id"].encode('ascii'))
 
         if USE_FROZEN_DICTS:
             frozen_dict = freeze(event_dict)
-- 
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