2015-11-30 17:45:31 +00:00
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#
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2023-11-21 20:29:58 +00:00
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# This file is licensed under the Affero General Public License (AGPL) version 3.
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#
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# Copyright (C) 2023 New Vector, Ltd
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Affero General Public License as
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# published by the Free Software Foundation, either version 3 of the
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# License, or (at your option) any later version.
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#
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# See the GNU Affero General Public License for more details:
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# <https://www.gnu.org/licenses/agpl-3.0.html>.
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#
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# Originally licensed under the Apache License, Version 2.0:
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# <http://www.apache.org/licenses/LICENSE-2.0>.
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#
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# [This file includes modifications made by New Vector Limited]
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2015-11-30 17:45:31 +00:00
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#
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#
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2020-07-08 11:15:08 +00:00
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import json
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2015-11-30 17:45:31 +00:00
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import logging
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2023-04-27 12:44:53 +00:00
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from synapse.storage.database import LoggingTransaction
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from synapse.storage.engines import BaseDatabaseEngine
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2018-07-09 06:09:20 +00:00
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from synapse.storage.prepare_database import get_statements
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2015-11-30 17:45:31 +00:00
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logger = logging.getLogger(__name__)
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ALTER_TABLE = (
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"ALTER TABLE events ADD COLUMN origin_server_ts BIGINT;"
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"CREATE INDEX events_ts ON events(origin_server_ts, stream_ordering);"
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)
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2023-04-27 12:44:53 +00:00
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def run_create(cur: LoggingTransaction, database_engine: BaseDatabaseEngine) -> None:
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2015-11-30 17:45:31 +00:00
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for statement in get_statements(ALTER_TABLE.splitlines()):
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cur.execute(statement)
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cur.execute("SELECT MIN(stream_ordering) FROM events")
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rows = cur.fetchall()
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min_stream_id = rows[0][0]
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cur.execute("SELECT MAX(stream_ordering) FROM events")
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rows = cur.fetchall()
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max_stream_id = rows[0][0]
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if min_stream_id is not None and max_stream_id is not None:
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progress = {
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"target_min_stream_id_inclusive": min_stream_id,
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"max_stream_id_exclusive": max_stream_id + 1,
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"rows_inserted": 0,
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}
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2020-07-08 11:15:08 +00:00
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progress_json = json.dumps(progress)
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2015-11-30 17:45:31 +00:00
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sql = (
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"INSERT into background_updates (update_name, progress_json)"
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" VALUES (?, ?)"
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)
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cur.execute(sql, ("event_origin_server_ts", progress_json))
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