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path: root/synapse/storage/schema/pdu.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.
 */
-- Stores pdus and their content
CREATE TABLE IF NOT EXISTS pdus(
    pdu_id TEXT, 
    origin TEXT, 
    context TEXT,
    pdu_type TEXT,
    ts INTEGER,
    depth INTEGER DEFAULT 0 NOT NULL,
    is_state BOOL, 
    content_json TEXT,
    unrecognized_keys TEXT,
    outlier BOOL NOT NULL,
    have_processed BOOL, 
    CONSTRAINT pdu_id_origin UNIQUE (pdu_id, origin)
);

-- Stores what the current state pdu is for a given (context, pdu_type, key) tuple
CREATE TABLE IF NOT EXISTS state_pdus(
    pdu_id TEXT,
    origin TEXT,
    context TEXT,
    pdu_type TEXT,
    state_key TEXT,
    power_level TEXT,
    prev_state_id TEXT,
    prev_state_origin TEXT,
    CONSTRAINT pdu_id_origin UNIQUE (pdu_id, origin)
    CONSTRAINT prev_pdu_id_origin UNIQUE (prev_state_id, prev_state_origin)
);

CREATE TABLE IF NOT EXISTS current_state(
    pdu_id TEXT,
    origin TEXT,
    context TEXT,
    pdu_type TEXT,
    state_key TEXT,
    CONSTRAINT pdu_id_origin UNIQUE (pdu_id, origin)
    CONSTRAINT uniqueness UNIQUE (context, pdu_type, state_key) ON CONFLICT REPLACE
);

-- Stores where each pdu we want to send should be sent and the delivery status.
create TABLE IF NOT EXISTS pdu_destinations(
    pdu_id TEXT,
    origin TEXT,
    destination TEXT,
    delivered_ts INTEGER DEFAULT 0, -- or 0 if not delivered
    CONSTRAINT uniqueness UNIQUE (pdu_id, origin, destination) ON CONFLICT REPLACE
);

CREATE TABLE IF NOT EXISTS pdu_forward_extremities(
    pdu_id TEXT,
    origin TEXT,
    context TEXT,
    CONSTRAINT uniqueness UNIQUE (pdu_id, origin, context) ON CONFLICT REPLACE
);

CREATE TABLE IF NOT EXISTS pdu_backward_extremities(
    pdu_id TEXT,
    origin TEXT,
    context TEXT,
    CONSTRAINT uniqueness UNIQUE (pdu_id, origin, context) ON CONFLICT REPLACE
);

CREATE TABLE IF NOT EXISTS pdu_edges(
    pdu_id TEXT,
    origin TEXT,
    prev_pdu_id TEXT,
    prev_origin TEXT,
    context TEXT,
    CONSTRAINT uniqueness UNIQUE (pdu_id, origin, prev_pdu_id, prev_origin, context)
);

CREATE TABLE IF NOT EXISTS context_depth(
    context TEXT,
    min_depth INTEGER,
    CONSTRAINT uniqueness UNIQUE (context)
);

CREATE INDEX IF NOT EXISTS context_depth_context ON context_depth(context);


CREATE INDEX IF NOT EXISTS pdu_id ON pdus(pdu_id, origin);

CREATE INDEX IF NOT EXISTS dests_id ON pdu_destinations (pdu_id, origin);
-- CREATE INDEX IF NOT EXISTS dests ON pdu_destinations (destination);

CREATE INDEX IF NOT EXISTS pdu_extrem_context ON pdu_forward_extremities(context);
CREATE INDEX IF NOT EXISTS pdu_extrem_id ON pdu_forward_extremities(pdu_id, origin);

CREATE INDEX IF NOT EXISTS pdu_edges_id ON pdu_edges(pdu_id, origin);

CREATE INDEX IF NOT EXISTS pdu_b_extrem_context ON pdu_backward_extremities(context);