From 82b34e813de4dadb8ec5bce068f7113e32e60ead Mon Sep 17 00:00:00 2001 From: Erik Johnston Date: Wed, 4 Mar 2015 12:04:19 +0000 Subject: SYN-67: Finish up implementing new database schema management --- synapse/storage/schema/schema_version.sql | 29 +++++++++++++++++++++++++++++ 1 file changed, 29 insertions(+) create mode 100644 synapse/storage/schema/schema_version.sql (limited to 'synapse/storage/schema/schema_version.sql') diff --git a/synapse/storage/schema/schema_version.sql b/synapse/storage/schema/schema_version.sql new file mode 100644 index 0000000000..83a8c7b7ce --- /dev/null +++ b/synapse/storage/schema/schema_version.sql @@ -0,0 +1,29 @@ +/* Copyright 2015 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 TABLE IF NOT EXISTS schema_version( + Lock char(1) NOT NULL DEFAULT 'X', -- Makes sure this table only has one row. + version INTEGER NOT NULL, + upgraded BOOL NOT NULL, -- Whether we reached this version from an upgrade or an initial schema. + CONSTRAINT schema_version_lock CHECK (Lock='X') ON CONFLICT REPLACE +); + +CREATE TABLE IF NOT EXISTS schema_deltas( + version INTEGER NOT NULL, + file TEXT NOT NULL, + CONSTRAINT schema_deltas_ver_file UNIQUE (version, file) ON CONFLICT IGNORE +); + +CREATE INDEX IF NOT EXISTS schema_deltas_ver ON schema_deltas(version); -- cgit 1.4.1