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c66a06ac6b
This is in preparation for having multiple data stores that offer different functionality, e.g. splitting out state or event storage.
47 lines
1.4 KiB
Python
47 lines
1.4 KiB
Python
# Copyright 2016 OpenMarket Ltd
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import logging
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from synapse.storage.engines import PostgresEngine
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from synapse.storage.prepare_database import get_statements
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logger = logging.getLogger(__name__)
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# This stream is used to notify replication slaves that some caches have
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# been invalidated that they cannot infer from the other streams.
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CREATE_TABLE = """
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CREATE TABLE cache_invalidation_stream (
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stream_id BIGINT,
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cache_func TEXT,
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keys TEXT[],
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invalidation_ts BIGINT
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);
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CREATE INDEX cache_invalidation_stream_id ON cache_invalidation_stream(stream_id);
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"""
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def run_create(cur, database_engine, *args, **kwargs):
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if not isinstance(database_engine, PostgresEngine):
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return
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for statement in get_statements(CREATE_TABLE.splitlines()):
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cur.execute(statement)
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def run_upgrade(cur, database_engine, *args, **kwargs):
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pass
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