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path: root/synapse/storage/schema/delta/v3.sql
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/* Copyright 2014 OpenMarket Ltd
 *
 * 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.
 */


CREATE INDEX IF NOT EXISTS room_aliases_alias ON room_aliases(room_alias);
CREATE INDEX IF NOT EXISTS room_aliases_id ON room_aliases(room_id);


CREATE INDEX IF NOT EXISTS room_alias_servers_alias ON room_alias_servers(room_alias);

DELETE FROM room_aliases WHERE rowid NOT IN (SELECT max(rowid) FROM room_aliases GROUP BY room_alias, room_id);

CREATE UNIQUE INDEX IF NOT EXISTS room_aliases_uniq ON room_aliases(room_alias, room_id);

PRAGMA user_version = 3;