Merge pull request #2251 from matrix-org/erikj/current_state_delta_stream

Add current_state_delta_stream table
This commit is contained in:
Erik Johnston 2017-05-30 15:06:17 +01:00 committed by GitHub
commit 5dbaa520a5
2 changed files with 50 additions and 8 deletions

View file

@ -648,9 +648,10 @@ class EventsStore(SQLBaseStore):
list of the event ids which are the forward extremities.
"""
self._update_current_state_txn(txn, current_state_for_room)
max_stream_order = events_and_contexts[-1][0].internal_metadata.stream_ordering
self._update_current_state_txn(txn, current_state_for_room, max_stream_order)
self._update_forward_extremities_txn(
txn,
new_forward_extremities=new_forward_extremeties,
@ -713,7 +714,7 @@ class EventsStore(SQLBaseStore):
backfilled=backfilled,
)
def _update_current_state_txn(self, txn, state_delta_by_room):
def _update_current_state_txn(self, txn, state_delta_by_room, max_stream_order):
for room_id, current_state_tuple in state_delta_by_room.iteritems():
to_delete, to_insert, _ = current_state_tuple
txn.executemany(
@ -735,6 +736,25 @@ class EventsStore(SQLBaseStore):
],
)
state_deltas = {key: None for key in to_delete}
state_deltas.update(to_insert)
self._simple_insert_many_txn(
txn,
table="current_state_delta_stream",
values=[
{
"stream_id": max_stream_order,
"room_id": room_id,
"type": key[0],
"state_key": key[1],
"event_id": ev_id,
"prev_event_id": to_delete.get(key, None),
}
for key, ev_id in state_deltas.iteritems()
]
)
# Invalidate the various caches
# Figure out the changes of membership to invalidate the
@ -743,11 +763,7 @@ class EventsStore(SQLBaseStore):
# and which we have added, then we invlidate the caches for all
# those users.
members_changed = set(
state_key for ev_type, state_key in to_delete.iterkeys()
if ev_type == EventTypes.Member
)
members_changed.update(
state_key for ev_type, state_key in to_insert.iterkeys()
state_key for ev_type, state_key in state_deltas
if ev_type == EventTypes.Member
)

View file

@ -0,0 +1,26 @@
/* Copyright 2017 Vector Creations 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 current_state_delta_stream (
stream_id BIGINT NOT NULL,
room_id TEXT NOT NULL,
type TEXT NOT NULL,
state_key TEXT NOT NULL,
event_id TEXT, -- Is null if the key was removed
prev_event_id TEXT -- Is null if the key was added
);
CREATE INDEX current_state_delta_stream_idx ON current_state_delta_stream(stream_id);