forked-synapse/synapse/storage/schema/main/delta/72/08begin_cache_invalidation_seq_at_2.sql.postgres

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/* Copyright 2022 The Matrix.org Foundation C.I.C
*
* 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.
*/
-- The sequence needs to begin at 2 because a bunch of code assumes that
-- get_next_id_txn will return values >= 2, cf this comment:
-- https://github.com/matrix-org/synapse/blob/b93bd95e8ab64d27ae26841020f62ee61272a5f2/synapse/storage/util/id_generators.py#L344
SELECT setval('cache_invalidation_stream_seq', (
SELECT COALESCE(MAX(last_value), 1) FROM cache_invalidation_stream_seq
));