From 9267741a5f7732d7d16f8445edc68bc68b730601 Mon Sep 17 00:00:00 2001
From: Erik Johnston <erik@matrix.org>
Date: Mon, 30 Sep 2019 11:58:36 +0100
Subject: Fix `devices_last_seen` background update.

Fixes #6134.
---
 synapse/storage/engines/postgres.py | 7 +++++++
 1 file changed, 7 insertions(+)

(limited to 'synapse/storage/engines/postgres.py')

diff --git a/synapse/storage/engines/postgres.py b/synapse/storage/engines/postgres.py
index 289b6bc281..601617b21e 100644
--- a/synapse/storage/engines/postgres.py
+++ b/synapse/storage/engines/postgres.py
@@ -72,6 +72,13 @@ class PostgresEngine(object):
         """
         return True
 
+    @property
+    def supports_tuple_comparison(self):
+        """
+        Do we support comparing tuples, i.e. `(a, b) > (c, d)`?
+        """
+        return True
+
     def is_deadlock(self, error):
         if isinstance(error, self.module.DatabaseError):
             # https://www.postgresql.org/docs/current/static/errcodes-appendix.html
-- 
cgit 1.4.1