forked from MirrorHub/synapse
25f43faa70
The hope here is that by moving all the schema files into synapse/storage/schema, it gets a bit easier for newcomers to navigate. It certainly got easier for me to write a helpful README. There's more to do on that front, but I'll follow up with other PRs for that.
47 lines
1.4 KiB
Python
47 lines
1.4 KiB
Python
# 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.
|
|
|
|
import logging
|
|
|
|
from synapse.storage.engines import PostgresEngine
|
|
from synapse.storage.prepare_database import get_statements
|
|
|
|
logger = logging.getLogger(__name__)
|
|
|
|
|
|
# This stream is used to notify replication slaves that some caches have
|
|
# been invalidated that they cannot infer from the other streams.
|
|
CREATE_TABLE = """
|
|
CREATE TABLE cache_invalidation_stream (
|
|
stream_id BIGINT,
|
|
cache_func TEXT,
|
|
keys TEXT[],
|
|
invalidation_ts BIGINT
|
|
);
|
|
|
|
CREATE INDEX cache_invalidation_stream_id ON cache_invalidation_stream(stream_id);
|
|
"""
|
|
|
|
|
|
def run_create(cur, database_engine, *args, **kwargs):
|
|
if not isinstance(database_engine, PostgresEngine):
|
|
return
|
|
|
|
for statement in get_statements(CREATE_TABLE.splitlines()):
|
|
cur.execute(statement)
|
|
|
|
|
|
def run_upgrade(cur, database_engine, *args, **kwargs):
|
|
pass
|