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57 lines
2.0 KiB
SQL
57 lines
2.0 KiB
SQL
--
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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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--
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--
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/* 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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*/
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CREATE TABLE stream_ordering_to_exterm (
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stream_ordering BIGINT NOT NULL,
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room_id TEXT NOT NULL,
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event_id TEXT NOT NULL
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);
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INSERT INTO stream_ordering_to_exterm (stream_ordering, room_id, event_id)
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SELECT stream_ordering, room_id, event_id FROM event_forward_extremities
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INNER JOIN (
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SELECT room_id, max(stream_ordering) as stream_ordering FROM events
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INNER JOIN event_forward_extremities USING (room_id, event_id)
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GROUP BY room_id
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) AS rms USING (room_id);
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CREATE INDEX stream_ordering_to_exterm_idx on stream_ordering_to_exterm(
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stream_ordering
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);
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CREATE INDEX stream_ordering_to_exterm_rm_idx on stream_ordering_to_exterm(
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room_id, stream_ordering
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);
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