MatrixSynapse/synapse/storage/databases/main/schema/delta/52/add_event_to_state_group_in...

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SQL

/* 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.
*/
-- This is needed to efficiently check for unreferenced state groups during
-- purge. Added events_to_state_group(state_group) index
INSERT into background_updates (update_name, progress_json)
VALUES ('event_to_state_groups_sg_index', '{}');