anonymousland-synapse/synapse/storage/engines/maria.py
2015-04-08 13:10:54 +01:00

48 lines
1.4 KiB
Python

# -*- coding: utf-8 -*-
# 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.
from synapse.storage import prepare_database
import types
class MariaEngine(object):
def __init__(self, database_module):
self.module = database_module
def convert_param_style(self, sql):
return sql.replace("?", "%s")
def encode_parameter(self, param):
if isinstance(param, types.BufferType):
return str(param)
return param
def on_new_connection(self, db_conn):
pass
def prepare_database(self, db_conn):
cur = db_conn.cursor()
cur.execute(
"ALTER DATABASE CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci"
)
db_conn.commit()
prepare_database(db_conn, self)
def is_deadlock(self, error):
if isinstance(error, self.module.DatabaseError):
return error.sqlstate == "40001" and error.errno == 1213
return False