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f2d12ccabe
Partial indices have been supported since SQLite 3.8, but Synapse now requires >= 3.27, so we can enable support for them. This requires rebuilding previous indices which were partial on PostgreSQL, but not on SQLite.
57 lines
2.3 KiB
Plaintext
57 lines
2.3 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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-- SQLite needs to rebuild indices which use partial indices on Postgres, but
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-- previously did not use them on SQLite.
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-- Drop each index that was added with register_background_index_update AND specified
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-- a where_clause (that existed before this delta).
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-- From events_bg_updates.py
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DROP INDEX IF EXISTS event_contains_url_index;
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-- There is also a redactions_censored_redacts index, but that gets dropped.
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DROP INDEX IF EXISTS redactions_have_censored_ts;
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-- There is also a PostgreSQL only index (event_contains_url_index2)
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-- which gets renamed to event_contains_url_index.
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-- From roommember.py
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DROP INDEX IF EXISTS room_memberships_user_room_forgotten;
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-- From presence.py
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DROP INDEX IF EXISTS presence_stream_state_not_offline_idx;
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-- From media_repository.py
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DROP INDEX IF EXISTS local_media_repository_url_idx;
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-- From event_push_actions.py
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DROP INDEX IF EXISTS event_push_actions_highlights_index;
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-- There's also a event_push_actions_stream_highlight_index which was previously
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-- PostgreSQL-only.
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-- From state.py
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DROP INDEX IF EXISTS current_state_events_member_index;
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-- Re-insert the background jobs to re-create the indices.
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INSERT INTO background_updates (ordering, update_name, progress_json, depends_on) VALUES
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(7209, 'event_contains_url_index', '{}', NULL),
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(7209, 'redactions_have_censored_ts_idx', '{}', NULL),
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(7209, 'room_membership_forgotten_idx', '{}', NULL),
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(7209, 'presence_stream_not_offline_index', '{}', NULL),
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(7209, 'local_media_repository_url_idx', '{}', NULL),
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(7209, 'event_push_actions_highlights_index', '{}', NULL),
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(7209, 'event_push_actions_stream_highlight_index', '{}', NULL),
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(7209, 'current_state_members_idx', '{}', NULL)
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ON CONFLICT (update_name) DO NOTHING;
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