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Remove incorrect migration file from state
logical DB (#13788)
* Remove incorrect migration file from `state` logical DB The table `ex_outlier_stream` is part of the `main` logical DB; it should not have been created in the `state` logical DB. We remove this migration now as a tidy-up. Note: we cannot `DROP TABLE IF EXISTS ex_outlier_stream` in a new migration, because some (most) instances of Synapse host both of these logical DBs on the same DB cluster. * Changelog
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changelog.d/13788.misc
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changelog.d/13788.misc
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Remove an old, incorrect migration file.
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/* Copyright 2016 OpenMarket Ltd
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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/* We used to create a table called current_state_resets, but this is no
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* longer used and is removed in delta 54.
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*/
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/* The outlier events that have aquired a state group typically through
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* backfill. This is tracked separately to the events table, as assigning a
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* state group change the position of the existing event in the stream
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* ordering.
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* However since a stream_ordering is assigned in persist_event for the
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* (event, state) pair, we can use that stream_ordering to identify when
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* the new state was assigned for the event.
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*/
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/* NB: This table belongs to the `main` logical database; it should not be present
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* in `state`.
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*/
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CREATE TABLE IF NOT EXISTS ex_outlier_stream(
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event_stream_ordering BIGINT PRIMARY KEY NOT NULL,
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event_id TEXT NOT NULL,
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state_group BIGINT NOT NULL
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);
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