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23740eaa3d
During the migration the automated script to update the copyright headers accidentally got rid of some of the existing copyright lines. Reinstate them.
100 lines
3.1 KiB
Python
100 lines
3.1 KiB
Python
#
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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 2023 The Matrix.org Foundation C.I.C
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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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#
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#
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from synapse.config.homeserver import HomeServerConfig
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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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def run_upgrade(
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cur: LoggingTransaction,
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database_engine: BaseDatabaseEngine,
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config: HomeServerConfig,
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) -> None:
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"""
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Part 3 of a multi-step migration to drop the column `user_id` and replace it with
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`full_user_id`. See the database schema docs for more information on the full
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migration steps.
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"""
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hostname = config.server.server_name
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if isinstance(database_engine, PostgresEngine):
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# check if the constraint can be validated
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check_sql = """
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SELECT user_id from profiles WHERE full_user_id IS NULL
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"""
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cur.execute(check_sql)
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res = cur.fetchall()
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if res:
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# there are rows the background job missed, finish them here before we validate the constraint
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process_rows_sql = """
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UPDATE profiles
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SET full_user_id = '@' || user_id || ?
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WHERE user_id IN (
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SELECT user_id FROM profiles WHERE full_user_id IS NULL
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)
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"""
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cur.execute(process_rows_sql, (f":{hostname}",))
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# Now we can validate
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validate_sql = """
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ALTER TABLE profiles VALIDATE CONSTRAINT full_user_id_not_null
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"""
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cur.execute(validate_sql)
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else:
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# in SQLite we need to rewrite the table to add the constraint.
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# First drop any temporary table that might be here from a previous failed migration.
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cur.execute("DROP TABLE IF EXISTS temp_profiles")
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create_sql = """
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CREATE TABLE temp_profiles (
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full_user_id text NOT NULL,
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user_id text,
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displayname text,
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avatar_url text,
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UNIQUE (full_user_id),
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UNIQUE (user_id)
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)
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"""
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cur.execute(create_sql)
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copy_sql = """
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INSERT INTO temp_profiles (
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user_id,
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displayname,
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avatar_url,
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full_user_id)
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SELECT user_id, displayname, avatar_url, '@' || user_id || ':' || ? FROM profiles
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"""
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cur.execute(copy_sql, (f"{hostname}",))
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drop_sql = """
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DROP TABLE profiles
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"""
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cur.execute(drop_sql)
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rename_sql = """
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ALTER TABLE temp_profiles RENAME to profiles
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"""
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cur.execute(rename_sql)
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