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Store SQL DDL deltas as well; attempt to upgrade the database on startup if it's too old

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This commit is contained in:
Paul "LeoNerd" Evans 2014-09-03 14:14:04 +01:00
parent 4777c1cd5b
commit 756e171ad0
4 changed files with 183 additions and 22 deletions
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5
UPGRADE.rst
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@ -1,11 +1,6 @@
Upgrading to v0.2.0
===================
To upgrade the database schema, run::
./database-prepare-for-0.2.0.sh "<database>.db"
The home server now requires setting up of SSL config before it can run. To
automatically generate default config use::

10
database-prepare-for-0.2.0.sh
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@ -1,10 +0,0 @@
#!/bin/bash
# This is will prepare a synapse database for running with v0.2.0 of synapse.
set -e
cp "$1" "$1.bak"
sqlite3 "$1" < "synapse/storage/schema/im.sql"
sqlite3 "$1" <<< "PRAGMA user_version = 2;"

22
synapse/app/homeserver.py
View file

@ -93,20 +93,28 @@ class SynapseHomeServer(HomeServer):
if row and row[0]:
user_version = row[0]
if user_version < SCHEMA_VERSION:
# TODO(paul): add some kind of intelligent fixup here
raise ValueError("Cannot use this database as the " +
"schema version (%d) does not match (%d)" %
(user_version, SCHEMA_VERSION)
if user_version > SCHEMA_VERSION:
raise ValueError("Cannot use this database as it is too " +
"new for the server to understand"
)
elif user_version < SCHEMA_VERSION:
logging.info("Upgrading database from version %d",
user_version
)
# Run every version since after the current version.
for v in range(user_version + 1, SCHEMA_VERSION + 1):
sql_script = read_schema("delta/v%d" % (v))
c.executescript(sql_script)
db_conn.commit()
else:
for sql_loc in SCHEMAS:
sql_script = read_schema(sql_loc)
c.executescript(sql_script)
db_conn.commit()
db_conn.commit()
c.execute("PRAGMA user_version = %d" % SCHEMA_VERSION)
c.close()

168
synapse/storage/schema/delta/v2.sql Normal file
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@ -0,0 +1,168 @@
/* Copyright 2014 matrix.org
*
* 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 IF NOT EXISTS events(
stream_ordering INTEGER PRIMARY KEY AUTOINCREMENT,
topological_ordering INTEGER NOT NULL,
event_id TEXT NOT NULL,
type TEXT NOT NULL,
room_id TEXT NOT NULL,
content TEXT NOT NULL,
unrecognized_keys TEXT,
processed BOOL NOT NULL,
outlier BOOL NOT NULL,
CONSTRAINT ev_uniq UNIQUE (event_id)
);
CREATE INDEX IF NOT EXISTS events_event_id ON events (event_id);
CREATE INDEX IF NOT EXISTS events_stream_ordering ON events (stream_ordering);
CREATE INDEX IF NOT EXISTS events_topological_ordering ON events (topological_ordering);
CREATE INDEX IF NOT EXISTS events_room_id ON events (room_id);
CREATE TABLE IF NOT EXISTS state_events(
event_id TEXT NOT NULL,
room_id TEXT NOT NULL,
type TEXT NOT NULL,
state_key TEXT NOT NULL,
prev_state TEXT
);
CREATE UNIQUE INDEX IF NOT EXISTS state_events_event_id ON state_events (event_id);
CREATE INDEX IF NOT EXISTS state_events_room_id ON state_events (room_id);
CREATE INDEX IF NOT EXISTS state_events_type ON state_events (type);
CREATE INDEX IF NOT EXISTS state_events_state_key ON state_events (state_key);
CREATE TABLE IF NOT EXISTS current_state_events(
event_id TEXT NOT NULL,
room_id TEXT NOT NULL,
type TEXT NOT NULL,
state_key TEXT NOT NULL,
CONSTRAINT curr_uniq UNIQUE (room_id, type, state_key) ON CONFLICT REPLACE
);
CREATE INDEX IF NOT EXISTS curr_events_event_id ON current_state_events (event_id);
CREATE INDEX IF NOT EXISTS current_state_events_room_id ON current_state_events (room_id);
CREATE INDEX IF NOT EXISTS current_state_events_type ON current_state_events (type);
CREATE INDEX IF NOT EXISTS current_state_events_state_key ON current_state_events (state_key);
CREATE TABLE IF NOT EXISTS room_memberships(
event_id TEXT NOT NULL,
user_id TEXT NOT NULL,
sender TEXT NOT NULL,
room_id TEXT NOT NULL,
membership TEXT NOT NULL
);
CREATE INDEX IF NOT EXISTS room_memberships_event_id ON room_memberships (event_id);
CREATE INDEX IF NOT EXISTS room_memberships_room_id ON room_memberships (room_id);
CREATE INDEX IF NOT EXISTS room_memberships_user_id ON room_memberships (user_id);
CREATE TABLE IF NOT EXISTS feedback(
event_id TEXT NOT NULL,
feedback_type TEXT,
target_event_id TEXT,
sender TEXT,
room_id TEXT
);
CREATE TABLE IF NOT EXISTS topics(
event_id TEXT NOT NULL,
room_id TEXT NOT NULL,
topic TEXT NOT NULL
);
CREATE TABLE IF NOT EXISTS room_names(
event_id TEXT NOT NULL,
room_id TEXT NOT NULL,
name TEXT NOT NULL
);
CREATE TABLE IF NOT EXISTS rooms(
room_id TEXT PRIMARY KEY NOT NULL,
is_public INTEGER,
creator TEXT
);
CREATE TABLE IF NOT EXISTS room_join_rules(
event_id TEXT NOT NULL,
room_id TEXT NOT NULL,
join_rule TEXT NOT NULL
);
CREATE INDEX IF NOT EXISTS room_join_rules_event_id ON room_join_rules(event_id);
CREATE INDEX IF NOT EXISTS room_join_rules_room_id ON room_join_rules(room_id);
CREATE TABLE IF NOT EXISTS room_power_levels(
event_id TEXT NOT NULL,
room_id TEXT NOT NULL,
user_id TEXT NOT NULL,
level INTEGER NOT NULL
);
CREATE INDEX IF NOT EXISTS room_power_levels_event_id ON room_power_levels(event_id);
CREATE INDEX IF NOT EXISTS room_power_levels_room_id ON room_power_levels(room_id);
CREATE INDEX IF NOT EXISTS room_power_levels_room_user ON room_power_levels(room_id, user_id);
CREATE TABLE IF NOT EXISTS room_default_levels(
event_id TEXT NOT NULL,
room_id TEXT NOT NULL,
level INTEGER NOT NULL
);
CREATE INDEX IF NOT EXISTS room_default_levels_event_id ON room_default_levels(event_id);
CREATE INDEX IF NOT EXISTS room_default_levels_room_id ON room_default_levels(room_id);
CREATE TABLE IF NOT EXISTS room_add_state_levels(
event_id TEXT NOT NULL,
room_id TEXT NOT NULL,
level INTEGER NOT NULL
);
CREATE INDEX IF NOT EXISTS room_add_state_levels_event_id ON room_add_state_levels(event_id);
CREATE INDEX IF NOT EXISTS room_add_state_levels_room_id ON room_add_state_levels(room_id);
CREATE TABLE IF NOT EXISTS room_send_event_levels(
event_id TEXT NOT NULL,
room_id TEXT NOT NULL,
level INTEGER NOT NULL
);
CREATE INDEX IF NOT EXISTS room_send_event_levels_event_id ON room_send_event_levels(event_id);
CREATE INDEX IF NOT EXISTS room_send_event_levels_room_id ON room_send_event_levels(room_id);
CREATE TABLE IF NOT EXISTS room_ops_levels(
event_id TEXT NOT NULL,
room_id TEXT NOT NULL,
ban_level INTEGER,
kick_level INTEGER
);
CREATE INDEX IF NOT EXISTS room_ops_levels_event_id ON room_ops_levels(event_id);
CREATE INDEX IF NOT EXISTS room_ops_levels_room_id ON room_ops_levels(room_id);
CREATE TABLE IF NOT EXISTS room_hosts(
room_id TEXT NOT NULL,
host TEXT NOT NULL,
CONSTRAINT room_hosts_uniq UNIQUE (room_id, host) ON CONFLICT IGNORE
);
CREATE INDEX IF NOT EXISTS room_hosts_room_id ON room_hosts (room_id);
PRAGMA user_version = 2;