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c66a06ac6b
This is in preparation for having multiple data stores that offer different functionality, e.g. splitting out state or event storage.
38 lines
1.3 KiB
SQL
38 lines
1.3 KiB
SQL
/* 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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CREATE TABLE stream_ordering_to_exterm (
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stream_ordering BIGINT NOT NULL,
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room_id TEXT NOT NULL,
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event_id TEXT NOT NULL
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);
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INSERT INTO stream_ordering_to_exterm (stream_ordering, room_id, event_id)
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SELECT stream_ordering, room_id, event_id FROM event_forward_extremities
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INNER JOIN (
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SELECT room_id, max(stream_ordering) as stream_ordering FROM events
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INNER JOIN event_forward_extremities USING (room_id, event_id)
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GROUP BY room_id
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) AS rms USING (room_id);
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CREATE INDEX stream_ordering_to_exterm_idx on stream_ordering_to_exterm(
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stream_ordering
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);
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CREATE INDEX stream_ordering_to_exterm_rm_idx on stream_ordering_to_exterm(
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room_id, stream_ordering
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);
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