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![Patrick Cloke](/assets/img/avatar_default.png)
Adds a `thread_id` column to the `event_push_actions`, `event_push_actions_staging`, and `event_push_summary` tables. This will notifications to be segmented by the thread in a future pull request. The `thread_id` column stores the root event ID or the special value `"main"`. The `thread_id` column for `event_push_actions` and `event_push_summary` is backfilled with `"main"` for all existing rows. New entries into `event_push_actions` and `event_push_actions_staging` will get the proper thread ID. `receipts_linearized` and `receipts_graph` also gain a `thread_id` column, which is similar, except `NULL` is a special value meaning the receipt is "unthreaded". See MSC3771 and MSC3773 for where this data will be useful.
71 lines
2.7 KiB
Plaintext
71 lines
2.7 KiB
Plaintext
/* 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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-- Allow multiple receipts per user per room via a nullable thread_id column.
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--
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-- SQLite doesn't support modifying constraints to an existing table, so it must
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-- be recreated.
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-- Create the new tables.
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CREATE TABLE receipts_linearized_new (
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stream_id BIGINT NOT NULL,
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room_id TEXT NOT NULL,
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receipt_type TEXT NOT NULL,
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user_id TEXT NOT NULL,
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event_id TEXT NOT NULL,
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thread_id TEXT,
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event_stream_ordering BIGINT,
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data TEXT NOT NULL,
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CONSTRAINT receipts_linearized_uniqueness UNIQUE (room_id, receipt_type, user_id),
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CONSTRAINT receipts_linearized_uniqueness_thread UNIQUE (room_id, receipt_type, user_id, thread_id)
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);
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CREATE TABLE receipts_graph_new (
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room_id TEXT NOT NULL,
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receipt_type TEXT NOT NULL,
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user_id TEXT NOT NULL,
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event_ids TEXT NOT NULL,
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thread_id TEXT,
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data TEXT NOT NULL,
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CONSTRAINT receipts_graph_uniqueness UNIQUE (room_id, receipt_type, user_id),
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CONSTRAINT receipts_graph_uniqueness_thread UNIQUE (room_id, receipt_type, user_id, thread_id)
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);
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-- Drop the old indexes.
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DROP INDEX IF EXISTS receipts_linearized_id;
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DROP INDEX IF EXISTS receipts_linearized_room_stream;
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DROP INDEX IF EXISTS receipts_linearized_user;
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-- Copy the data.
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INSERT INTO receipts_linearized_new (stream_id, room_id, receipt_type, user_id, event_id, event_stream_ordering, data)
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SELECT stream_id, room_id, receipt_type, user_id, event_id, event_stream_ordering, data
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FROM receipts_linearized;
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INSERT INTO receipts_graph_new (room_id, receipt_type, user_id, event_ids, data)
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SELECT room_id, receipt_type, user_id, event_ids, data
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FROM receipts_graph;
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-- Drop the old tables.
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DROP TABLE receipts_linearized;
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DROP TABLE receipts_graph;
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-- Rename the tables.
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ALTER TABLE receipts_linearized_new RENAME TO receipts_linearized;
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ALTER TABLE receipts_graph_new RENAME TO receipts_graph;
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-- Create the indices.
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CREATE INDEX receipts_linearized_id ON receipts_linearized( stream_id );
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CREATE INDEX receipts_linearized_room_stream ON receipts_linearized( room_id, stream_id );
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CREATE INDEX receipts_linearized_user ON receipts_linearized( user_id );
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