From ddc25cf4e2df10e2b175e70a2371a7e24081572f Mon Sep 17 00:00:00 2001
From: Mark Haines <mark.haines@matrix.org>
Date: Wed, 11 Feb 2015 15:23:28 +0000
Subject: [PATCH] Invalidate the cache for an event if it is redacted

---
 synapse/storage/__init__.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/synapse/storage/__init__.py b/synapse/storage/__init__.py
index 1170d8b6ec..a33e2298f6 100644
--- a/synapse/storage/__init__.py
+++ b/synapse/storage/__init__.py
@@ -423,6 +423,8 @@ class DataStore(RoomMemberStore, RoomStore,
         )
 
     def _store_redaction(self, txn, event):
+        # invalidate the cache for the redacted event
+        self._get_event_cache.pop(event.redacts)
         txn.execute(
             "INSERT OR IGNORE INTO redactions "
             "(event_id, redacts) VALUES (?,?)",