From 98a2cbc10f71f902dfcfd5f35d9c916458a9ec30 Mon Sep 17 00:00:00 2001
From: Erik Johnston <erik@matrix.org>
Date: Mon, 16 May 2022 15:43:00 +0100
Subject: [PATCH] Fix query performance for /sync

Broke in #12729.
---
 synapse/storage/databases/main/stream.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/synapse/storage/databases/main/stream.py b/synapse/storage/databases/main/stream.py
index 3c3137fe64c5..0373af86c82b 100644
--- a/synapse/storage/databases/main/stream.py
+++ b/synapse/storage/databases/main/stream.py
@@ -750,7 +750,7 @@ def _f(txn: LoggingTransaction) -> Optional[Tuple[int, int, str]]:
                 WHERE room_id = ?
                     AND stream_ordering <= ?
                     AND NOT outlier
-                    AND rejections.reason IS NULL
+                    AND rejections.event_id IS NULL
                 ORDER BY stream_ordering DESC
                 LIMIT 1
             """