39 lines
1.7 KiB
SQL
39 lines
1.7 KiB
SQL
/* Copyright 2022 The Matrix.org Foundation C.I.C
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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 device_lists_changes_in_room (
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user_id TEXT NOT NULL,
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device_id TEXT NOT NULL,
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room_id TEXT NOT NULL,
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-- This initially matches `device_lists_stream.stream_id`. Note that we
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-- delete older values from `device_lists_stream`, so we can't use a foreign
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-- constraint here.
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--
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-- The table will contain rows with the same `stream_id` but different
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-- `room_id`, as for each device update we store a row per room the user is
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-- joined to. Therefore `(stream_id, room_id)` gives a unique index.
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stream_id BIGINT NOT NULL,
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-- We have a background process which goes through this table and converts
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-- entries into rows in `device_lists_outbound_pokes`. Once we have processed
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-- a row, we mark it as such by setting `converted_to_destinations=TRUE`.
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converted_to_destinations BOOLEAN NOT NULL,
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opentracing_context TEXT
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);
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CREATE UNIQUE INDEX device_lists_changes_in_stream_id ON device_lists_changes_in_room(stream_id, room_id);
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CREATE INDEX device_lists_changes_in_stream_id_unconverted ON device_lists_changes_in_room(stream_id) WHERE NOT converted_to_destinations;
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