org.flywaydb.core.internal.dbsupport.sqlite.SQLiteSqlStatementBuilder Maven / Gradle / Ivy
/**
* Copyright 2010-2016 Boxfuse GmbH
*
* 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.
*/
package org.flywaydb.core.internal.dbsupport.sqlite;
import org.flywaydb.core.internal.dbsupport.Delimiter;
import org.flywaydb.core.internal.dbsupport.SqlStatementBuilder;
import org.flywaydb.core.internal.util.StringUtils;
/**
* SqlStatementBuilder supporting H2-specific delimiter changes.
*/
public class SQLiteSqlStatementBuilder extends SqlStatementBuilder {
/**
* Holds the beginning of the statement.
*/
private String statementStart = "";
@Override
protected Delimiter changeDelimiterIfNecessary(String line, Delimiter delimiter) {
if (StringUtils.countOccurrencesOf(statementStart, " ") < 8) {
statementStart += line;
statementStart += " ";
statementStart = statementStart.replaceAll("\\s+", " ");
}
boolean createTriggerStatement = statementStart.matches("CREATE( TEMP| TEMPORARY)? TRIGGER.*");
if (createTriggerStatement && !line.endsWith("END;")) {
return null;
}
return getDefaultDelimiter();
}
@Override
protected String cleanToken(String token) {
if (token.startsWith("X'")) {
// blob literal
return token.substring(token.indexOf("'"));
}
return token;
}
}