12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455565758596061626364656667686970717273747576777879808182 |
- # Copyright 2015, 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.
- import logging
- from synapse.storage.prepare_database import get_statements
- from synapse.storage.engines import PostgresEngine, Sqlite3Engine
- import simplejson
- logger = logging.getLogger(__name__)
- POSTGRES_TABLE = """
- CREATE TABLE IF NOT EXISTS event_search (
- event_id TEXT,
- room_id TEXT,
- sender TEXT,
- key TEXT,
- vector tsvector
- );
- CREATE INDEX event_search_fts_idx ON event_search USING gin(vector);
- CREATE INDEX event_search_ev_idx ON event_search(event_id);
- CREATE INDEX event_search_ev_ridx ON event_search(room_id);
- """
- SQLITE_TABLE = (
- "CREATE VIRTUAL TABLE event_search"
- " USING fts4 ( event_id, room_id, sender, key, value )"
- )
- def run_create(cur, database_engine, *args, **kwargs):
- if isinstance(database_engine, PostgresEngine):
- for statement in get_statements(POSTGRES_TABLE.splitlines()):
- cur.execute(statement)
- elif isinstance(database_engine, Sqlite3Engine):
- cur.execute(SQLITE_TABLE)
- else:
- raise Exception("Unrecognized database engine")
- cur.execute("SELECT MIN(stream_ordering) FROM events")
- rows = cur.fetchall()
- min_stream_id = rows[0][0]
- cur.execute("SELECT MAX(stream_ordering) FROM events")
- rows = cur.fetchall()
- max_stream_id = rows[0][0]
- if min_stream_id is not None and max_stream_id is not None:
- progress = {
- "target_min_stream_id_inclusive": min_stream_id,
- "max_stream_id_exclusive": max_stream_id + 1,
- "rows_inserted": 0,
- }
- progress_json = simplejson.dumps(progress)
- sql = (
- "INSERT into background_updates (update_name, progress_json)"
- " VALUES (?, ?)"
- )
- sql = database_engine.convert_param_style(sql)
- cur.execute(sql, ("event_search", progress_json))
- def run_upgrade(*args, **kwargs):
- pass
|