MatrixSynapse/synapse/storage/schema/main/delta/59/12presence_stream_instance.sql

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SQL

/* Copyright 2021 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.
*/
-- Add a column to specify which instance wrote the row. Historic rows have
-- `NULL`, which indicates that the master instance wrote them.
ALTER TABLE presence_stream ADD COLUMN instance_name TEXT;