28 lines
1018 B
SQL
28 lines
1018 B
SQL
/* 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' UNIQUE, -- 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.
|
|
CHECK (Lock='X')
|
|
);
|
|
|
|
CREATE TABLE IF NOT EXISTS applied_schema_deltas(
|
|
version INTEGER NOT NULL,
|
|
file TEXT NOT NULL,
|
|
UNIQUE(version, file)
|
|
);
|