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HsqlDbSupport.java
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HsqlDbSupport.java
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/**
* 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.hsql;
import org.flywaydb.core.internal.dbsupport.DbSupport;
import org.flywaydb.core.internal.dbsupport.JdbcTemplate;
import org.flywaydb.core.internal.dbsupport.Schema;
import org.flywaydb.core.internal.dbsupport.SqlStatementBuilder;
import org.flywaydb.core.internal.util.jdbc.JdbcUtils;
import java.sql.Connection;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Types;
/**
* HsqlDb-specific support
*/
public class HsqlDbSupport extends DbSupport {
/**
* Creates a new instance.
*
* @param connection The connection to use.
*/
public HsqlDbSupport(Connection connection) {
super(new JdbcTemplate(connection, Types.VARCHAR));
}
public String getDbName() {
return "hsql";
}
public String getCurrentUserFunction() {
return "USER()";
}
@Override
protected String doGetCurrentSchemaName() throws SQLException {
ResultSet resultSet = null;
String schema = null;
try {
resultSet = jdbcTemplate.getMetaData().getSchemas();
while (resultSet.next()) {
if (resultSet.getBoolean("IS_DEFAULT")) {
schema = resultSet.getString("TABLE_SCHEM");
break;
}
}
} finally {
JdbcUtils.closeResultSet(resultSet);
}
return schema;
}
@Override
protected void doChangeCurrentSchemaTo(String schema) throws SQLException {
jdbcTemplate.execute("SET SCHEMA " + schema);
}
public boolean supportsDdlTransactions() {
return false;
}
public String getBooleanTrue() {
return "1";
}
public String getBooleanFalse() {
return "0";
}
public SqlStatementBuilder createSqlStatementBuilder() {
return new HsqlSqlStatementBuilder();
}
@Override
public String doQuote(String identifier) {
return "\"" + identifier + "\"";
}
@Override
public Schema getSchema(String name) {
return new HsqlSchema(jdbcTemplate, this, name);
}
@Override
public boolean catalogIsSchema() {
return false;
}
@Override
public boolean useSingleConnection() {
return true;
}
}