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30 lines
1.1 KiB
SQL
30 lines
1.1 KiB
SQL
/* Copyright 2015 OpenMarket Ltd
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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CREATE TABLE IF NOT EXISTS schema_version(
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`Lock` CHAR(1) NOT NULL DEFAULT 'X' UNIQUE, -- Makes sure this table only has one row.
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`version` INTEGER NOT NULL,
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`upgraded` BOOL NOT NULL, -- Whether we reached this version from an upgrade or an initial schema.
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CHECK (`Lock`='X')
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);
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CREATE TABLE IF NOT EXISTS applied_schema_deltas(
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`version` INTEGER NOT NULL,
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`file` VARCHAR(255) NOT NULL,
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UNIQUE(version, file)
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);
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CREATE INDEX IF NOT EXISTS schema_deltas_ver ON applied_schema_deltas(version);
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