38 lines
1.2 KiB
Python
38 lines
1.2 KiB
Python
# Copyright 2018 New Vector 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.
|
|
|
|
from synapse.storage.engines import PostgresEngine
|
|
|
|
|
|
def run_create(cur, database_engine, *args, **kwargs):
|
|
if isinstance(database_engine, PostgresEngine):
|
|
# if we already have some state groups, we want to start making new
|
|
# ones with a higher id.
|
|
cur.execute("SELECT max(id) FROM state_groups")
|
|
row = cur.fetchone()
|
|
|
|
if row[0] is None:
|
|
start_val = 1
|
|
else:
|
|
start_val = row[0] + 1
|
|
|
|
cur.execute(
|
|
"CREATE SEQUENCE state_group_id_seq START WITH %s",
|
|
(start_val, ),
|
|
)
|
|
|
|
|
|
def run_upgrade(*args, **kwargs):
|
|
pass
|