From 9f26d3b75b6ce369663ee9db7b1241e376772af1 Mon Sep 17 00:00:00 2001 From: Erik Johnston Date: Tue, 4 Apr 2017 16:21:21 +0100 Subject: [PATCH] Deduplicate new deviceinbox rows for replication --- synapse/storage/deviceinbox.py | 11 +++++++---- 1 file changed, 7 insertions(+), 4 deletions(-) diff --git a/synapse/storage/deviceinbox.py b/synapse/storage/deviceinbox.py index 2714519d21..0b62b493d5 100644 --- a/synapse/storage/deviceinbox.py +++ b/synapse/storage/deviceinbox.py @@ -325,23 +325,26 @@ class DeviceInboxStore(BackgroundUpdateStore): # we return. upper_pos = min(current_pos, last_pos + limit) sql = ( - "SELECT stream_id, user_id" + "SELECT max(stream_id), user_id" " FROM device_inbox" " WHERE ? < stream_id AND stream_id <= ?" - " ORDER BY stream_id ASC" + " GROUP BY user_id" ) txn.execute(sql, (last_pos, upper_pos)) rows = txn.fetchall() sql = ( - "SELECT stream_id, destination" + "SELECT max(stream_id), destination" " FROM device_federation_outbox" " WHERE ? < stream_id AND stream_id <= ?" - " ORDER BY stream_id ASC" + " GROUP BY destination" ) txn.execute(sql, (last_pos, upper_pos)) rows.extend(txn) + # Order by ascending stream ordering + rows.sort() + return rows return self.runInteraction(