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24 lines
1.2 KiB
Plaintext
24 lines
1.2 KiB
Plaintext
/* Copyright 2022 Beeper
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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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-- Each of these are denormalised copies of `stream_ordering` from the corresponding row in` events` which
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-- we use to improve database performance by reduring JOINs.
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-- NOTE: sqlite does not support ADD CONSTRAINT so we add the new columns with FK constraint as-is
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ALTER TABLE current_state_events ADD COLUMN event_stream_ordering BIGINT REFERENCES events(stream_ordering);
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ALTER TABLE local_current_membership ADD COLUMN event_stream_ordering BIGINT REFERENCES events(stream_ordering);
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ALTER TABLE room_memberships ADD COLUMN event_stream_ordering BIGINT REFERENCES events(stream_ordering);
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