MatrixSynapse/synapse/storage/schema/full_schemas/16/event_edges.sql

71 lines
2.2 KiB
SQL

/* Copyright 2014-2016 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.
*/
/* We used to create tables called event_destinations and
* state_forward_extremities, but these are no longer used and are removed in
* delta 54.
*/
CREATE TABLE IF NOT EXISTS event_forward_extremities(
event_id TEXT NOT NULL,
room_id TEXT NOT NULL,
UNIQUE (event_id, room_id)
);
CREATE INDEX ev_extrem_room ON event_forward_extremities(room_id);
CREATE INDEX ev_extrem_id ON event_forward_extremities(event_id);
CREATE TABLE IF NOT EXISTS event_backward_extremities(
event_id TEXT NOT NULL,
room_id TEXT NOT NULL,
UNIQUE (event_id, room_id)
);
CREATE INDEX ev_b_extrem_room ON event_backward_extremities(room_id);
CREATE INDEX ev_b_extrem_id ON event_backward_extremities(event_id);
CREATE TABLE IF NOT EXISTS event_edges(
event_id TEXT NOT NULL,
prev_event_id TEXT NOT NULL,
room_id TEXT NOT NULL,
is_state BOOL NOT NULL, -- true if this is a prev_state edge rather than a regular
-- event dag edge.
UNIQUE (event_id, prev_event_id, room_id, is_state)
);
CREATE INDEX ev_edges_id ON event_edges(event_id);
CREATE INDEX ev_edges_prev_id ON event_edges(prev_event_id);
CREATE TABLE IF NOT EXISTS room_depth(
room_id TEXT NOT NULL,
min_depth INTEGER NOT NULL,
UNIQUE (room_id)
);
CREATE INDEX room_depth_room ON room_depth(room_id);
CREATE TABLE IF NOT EXISTS event_auth(
event_id TEXT NOT NULL,
auth_id TEXT NOT NULL,
room_id TEXT NOT NULL,
UNIQUE (event_id, auth_id, room_id)
);
CREATE INDEX evauth_edges_id ON event_auth(event_id);
CREATE INDEX evauth_edges_auth_id ON event_auth(auth_id);