From 7513006b09e0fdaa4660c21e32adb0dfa0603c1e Mon Sep 17 00:00:00 2001
From: reivilibre <38398653+reivilibre@users.noreply.github.com>
Date: Fri, 4 Sep 2020 15:07:29 +0100
Subject: [PATCH] In light of #8255, use BIGINTs for destination_rooms (#8256)

---
 changelog.d/8256.misc                                           | 1 +
 .../main/schema/delta/58/15_catchup_destination_rooms.sql       | 2 +-
 2 files changed, 2 insertions(+), 1 deletion(-)
 create mode 100644 changelog.d/8256.misc

diff --git a/changelog.d/8256.misc b/changelog.d/8256.misc
new file mode 100644
index 000000000..bf0ba7673
--- /dev/null
+++ b/changelog.d/8256.misc
@@ -0,0 +1 @@
+Track the latest event for every destination and room for catch-up after federation outage.
diff --git a/synapse/storage/databases/main/schema/delta/58/15_catchup_destination_rooms.sql b/synapse/storage/databases/main/schema/delta/58/15_catchup_destination_rooms.sql
index 7f173f10d..ebfbed792 100644
--- a/synapse/storage/databases/main/schema/delta/58/15_catchup_destination_rooms.sql
+++ b/synapse/storage/databases/main/schema/delta/58/15_catchup_destination_rooms.sql
@@ -23,7 +23,7 @@ CREATE TABLE IF NOT EXISTS destination_rooms (
   -- the ID of the room in question
   room_id TEXT NOT NULL REFERENCES rooms (room_id),
   -- the stream_ordering of the event
-  stream_ordering INTEGER NOT NULL,
+  stream_ordering BIGINT NOT NULL,
   PRIMARY KEY (destination, room_id)
   -- We don't declare a foreign key on stream_ordering here because that'd mean
   -- we'd need to either maintain an index (expensive) or do a table scan of