Track the max_stream_device_id in a separate table, since we delete from the inbox table

This commit is contained in:
Mark Haines 2016-09-09 11:48:23 +01:00
parent 303b6f29f0
commit 6a6cbfcf1e
4 changed files with 37 additions and 4 deletions

View file

@ -23,7 +23,7 @@ class SlavedDeviceInboxStore(BaseSlavedStore):
def __init__(self, db_conn, hs):
super(SlavedDeviceInboxStore, self).__init__(db_conn, hs)
self._device_inbox_id_gen = SlavedIdTracker(
db_conn, "device_inbox", "stream_id",
db_conn, "device_max_stream_id", "stream_id",
)
self._device_inbox_stream_cache = StreamChangeCache(
"DeviceInboxStreamChangeCache",

View file

@ -111,7 +111,7 @@ class DataStore(RoomMemberStore, RoomStore,
db_conn, "presence_stream", "stream_id"
)
self._device_inbox_id_gen = StreamIdGenerator(
db_conn, "device_inbox", "stream_id"
db_conn, "device_max_stream_id", "stream_id"
)
self._transaction_id_gen = IdGenerator(db_conn, "sent_transactions", "id")

View file

@ -130,6 +130,13 @@ class DeviceInboxStore(SQLBaseStore):
def _add_messages_to_local_device_inbox_txn(self, txn, stream_id,
messages_by_user_then_device):
sql = (
"UPDATE device_max_stream_id"
" SET stream_id = ?"
" WHERE stream_id < ?"
)
txn.execute(sql, (stream_id, stream_id))
local_by_user_then_device = {}
for user_id, messages_by_device in messages_by_user_then_device.items():
messages_json_for_user = {}
@ -148,6 +155,8 @@ class DeviceInboxStore(SQLBaseStore):
device = row[0]
messages_json_for_user[device] = message_json
else:
if not devices:
continue
sql = (
"SELECT device_id FROM devices"
" WHERE user_id = ? AND device_id IN ("
@ -164,7 +173,11 @@ class DeviceInboxStore(SQLBaseStore):
message_json = ujson.dumps(messages_by_device[device])
messages_json_for_user[device] = message_json
local_by_user_then_device[user_id] = messages_json_for_user
if messages_json_for_user:
local_by_user_then_device[user_id] = messages_json_for_user
if not local_by_user_then_device:
return
sql = (
"INSERT INTO device_inbox"
@ -301,7 +314,7 @@ class DeviceInboxStore(SQLBaseStore):
has_changed = self._device_federation_outbox_stream_cache.has_entity_changed(
destination, last_stream_id
)
if not has_changed:
if not has_changed or last_stream_id == current_stream_id:
return defer.succeed(([], current_stream_id))
def get_new_messages_for_remote_destination_txn(txn):

View file

@ -0,0 +1,20 @@
/* Copyright 2016 OpenMarket Ltd
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
CREATE TABLE device_max_stream_id (
stream_id BIGINT NOT NULL
);
INSERT INTO device_max_stream_id (stream_id) VALUES (0);