/* Copyright 2019 The Matrix.org Foundation C.I.C
 *
 * 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 TABLE state_groups (
    id BIGINT PRIMARY KEY,
    room_id TEXT NOT NULL,
    event_id TEXT NOT NULL
);

CREATE TABLE state_groups_state (
    state_group BIGINT NOT NULL,
    room_id TEXT NOT NULL,
    type TEXT NOT NULL,
    state_key TEXT NOT NULL,
    event_id TEXT NOT NULL
);

CREATE TABLE state_group_edges (
    state_group BIGINT NOT NULL,
    prev_state_group BIGINT NOT NULL
);

CREATE INDEX state_group_edges_idx ON state_group_edges (state_group);
CREATE INDEX state_group_edges_prev_idx ON state_group_edges (prev_state_group);
CREATE INDEX state_groups_state_type_idx ON state_groups_state (state_group, type, state_key);