forked-synapse/synapse/storage/schema/main/delta/73/20_un_partial_stated_room_stream.sql
2023-11-21 15:29:58 -05:00

52 lines
2.0 KiB
SQL

--
-- This file is licensed under the Affero General Public License (AGPL) version 3.
--
-- Copyright (C) 2023 New Vector, Ltd
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-- This program is free software: you can redistribute it and/or modify
-- it under the terms of the GNU Affero General Public License as
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-- See the GNU Affero General Public License for more details:
-- <https://www.gnu.org/licenses/agpl-3.0.html>.
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-- Originally licensed under the Apache License, Version 2.0:
-- <http://www.apache.org/licenses/LICENSE-2.0>.
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-- [This file includes modifications made by New Vector Limited]
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--
/* Copyright 2022 The Matrix.org Foundation C.I.C
*
* 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
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* http://www.apache.org/licenses/LICENSE-2.0
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-- Stream for notifying that a room has become un-partial-stated.
CREATE TABLE un_partial_stated_room_stream(
-- Position in the stream
stream_id BIGINT PRIMARY KEY NOT NULL,
-- Which instance wrote this entry.
instance_name TEXT NOT NULL,
-- Which room has been un-partial-stated.
room_id TEXT NOT NULL REFERENCES rooms(room_id) ON DELETE CASCADE
);
-- We want an index here because of the foreign key constraint:
-- upon deleting a room, the database needs to be able to check here.
-- This index is not unique because we can join a room multiple times in a server's lifetime,
-- so the same room could be un-partial-stated multiple times!
CREATE INDEX un_partial_stated_room_stream_room_id ON un_partial_stated_room_stream (room_id);