MatrixSynapse/synapse/storage/schema/delta/53/user_ips_index.sql

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/* Copyright 2018 New Vector Ltd
*
* 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
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
-- analyze user_ips, to help ensure the correct indices are used
INSERT INTO background_updates (update_name, progress_json) VALUES
('user_ips_analyze', '{}');
-- delete duplicates
INSERT INTO background_updates (update_name, progress_json, depends_on) VALUES
('user_ips_remove_dupes', '{}', 'user_ips_analyze');
-- add a new unique index to user_ips table
INSERT INTO background_updates (update_name, progress_json, depends_on) VALUES
('user_ips_device_unique_index', '{}', 'user_ips_remove_dupes');
-- drop the old original index
INSERT INTO background_updates (update_name, progress_json, depends_on) VALUES
('user_ips_drop_nonunique_index', '{}', 'user_ips_device_unique_index');