From ff7cc17b5706ff3f386b15fda668511c0502ab9c Mon Sep 17 00:00:00 2001
From: Richard van der Hoff <1389908+richvdh@users.noreply.github.com>
Date: Wed, 8 Dec 2021 14:15:14 +0000
Subject: Improve log messages for stream ids (#11536)

Somehow I'd managed to get my database in a pickle with stream ids. These
changes were useful to debug.
---
 synapse/storage/databases/main/state_deltas.py | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

(limited to 'synapse/storage/databases')

diff --git a/synapse/storage/databases/main/state_deltas.py b/synapse/storage/databases/main/state_deltas.py
index 7f3624b128..188afec332 100644
--- a/synapse/storage/databases/main/state_deltas.py
+++ b/synapse/storage/databases/main/state_deltas.py
@@ -56,7 +56,9 @@ class StateDeltasStore(SQLBaseStore):
         prev_stream_id = int(prev_stream_id)
 
         # check we're not going backwards
-        assert prev_stream_id <= max_stream_id
+        assert (
+            prev_stream_id <= max_stream_id
+        ), f"New stream id {max_stream_id} is smaller than prev stream id {prev_stream_id}"
 
         if not self._curr_state_delta_stream_cache.has_any_entity_changed(
             prev_stream_id
-- 
cgit 1.4.1