From 0f9b633af7e6288addfbf55a53bbe4437d5e344a Mon Sep 17 00:00:00 2001
From: Matthew Hodgson <matthew@matrix.org>
Date: Sat, 16 Aug 2014 01:46:35 +0100
Subject: [PATCH] retcols is mandatory. i have no idea how this could ever have
 worked?

---
 synapse/storage/presence.py | 1 +
 1 file changed, 1 insertion(+)

diff --git a/synapse/storage/presence.py b/synapse/storage/presence.py
index 23b6d1694e..a529104f4d 100644
--- a/synapse/storage/presence.py
+++ b/synapse/storage/presence.py
@@ -67,6 +67,7 @@ class PresenceStore(SQLBaseStore):
             table="presence_allow_inbound",
             keyvalues={"observed_user_id": observed_localpart,
                        "observer_user_id": observer_userid},
+            retcols=["observed_user_id"],
             allow_none=True,
         )