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/* Copyright 2019 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.
*/
/*
* Record the timestamp when a given server started failing
*/
ALTER TABLE destinations ADD failure_ts BIGINT;
/* as a rough approximation, we assume that the server started failing at
* retry_interval before the last retry
*/
UPDATE destinations SET failure_ts = retry_last_ts - retry_interval
WHERE retry_last_ts > 0;
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