anonymousland-synapse/synapse/storage/schema/delta/24/fts.py

59 lines
1.8 KiB
Python

# Copyright 2015 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.
import logging
from synapse.storage import get_statements
from synapse.storage.engines import PostgresEngine
logger = logging.getLogger(__name__)
POSTGRES_SQL = """
CREATE TABLE event_search (
event_id TEXT,
room_id TEXT,
key TEXT,
vector tsvector
);
INSERT INTO event_search SELECT
event_id, room_id, 'content.body',
to_tsvector('english', json::json->'content'->>'body')
FROM events NATURAL JOIN event_json WHERE type = 'm.room.message';
INSERT INTO event_search SELECT
event_id, room_id, 'content.name',
to_tsvector('english', json::json->'content'->>'name')
FROM events NATURAL JOIN event_json WHERE type = 'm.room.name';
INSERT INTO event_search SELECT
event_id, room_id, 'content.topic',
to_tsvector('english', json::json->'content'->>'topic')
FROM events NATURAL JOIN event_json WHERE type = 'm.room.topic';
CREATE INDEX event_search_fts_idx ON event_search USING gin(vector);
CREATE INDEX event_search_ev_idx ON event_search(event_id);
"""
def run_upgrade(cur, database_engine, *args, **kwargs):
if not isinstance(database_engine, PostgresEngine):
# We only support FTS for postgres currently.
return
for statement in get_statements(POSTGRES_SQL.splitlines()):
cur.execute(statement)