44 lines
1.4 KiB
Python
44 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.database import LoggingTransaction
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from synapse.storage.engines import BaseDatabaseEngine, 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: LoggingTransaction, database_engine: BaseDatabaseEngine) -> None:
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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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