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350f654e7b
The indexes on device_lists_remote_extremeties can be unique, and they therefore should, to ensure that the db remains consistent.
37 lines
1.4 KiB
SQL
37 lines
1.4 KiB
SQL
/* Copyright 2018 New Vector 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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-- register a background update which will create a unique index on
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-- device_lists_remote_cache
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INSERT into background_updates (update_name, progress_json)
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VALUES ('device_lists_remote_cache_unique_idx', '{}');
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-- and one on device_lists_remote_extremeties
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INSERT into background_updates (update_name, progress_json, depends_on)
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VALUES (
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'device_lists_remote_extremeties_unique_idx', '{}',
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-- doesn't really depend on this, but we need to make sure both happen
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-- before we drop the old indexes.
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'device_lists_remote_cache_unique_idx'
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);
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-- once they complete, we can drop the old indexes.
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INSERT into background_updates (update_name, progress_json, depends_on)
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VALUES (
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'drop_device_list_streams_non_unique_indexes', '{}',
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'device_lists_remote_extremeties_unique_idx'
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);
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