28 lines
		
	
	
		
			1.0 KiB
		
	
	
	
		
			SQL
		
	
	
			
		
		
	
	
			28 lines
		
	
	
		
			1.0 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(150) NOT NULL,
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    UNIQUE(version, file)
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);
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