/*
* Copyright (C) 2009 eXo Platform SAS.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.exoplatform.services.jcr.impl.storage.jdbc.init;
import org.exoplatform.commons.utils.SecurityHelper;
import org.exoplatform.services.jcr.impl.storage.jdbc.JDBCDataContainerConfig;
import java.io.IOException;
import java.sql.Connection;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;
/**
* Created by The eXo Platform SAS
*
* 22.03.2007
*
* For statistic compute on a user schema (PL/SQL):
* {@code exec DBMS_STATS.GATHER_SCHEMA_STATS(ownname=>'exoadmin')}
*
* @author <a href="mailto:peter.nedonosko@exoplatform.com.ua">Peter Nedonosko</a>
* @version $Id: OracleDBInitializer.java 34801 2009-07-31 15:44:50Z dkatayev $
*/
public class OracleDBInitializer extends StorageDBInitializer
{
public OracleDBInitializer(Connection connection, JDBCDataContainerConfig containerConfig) throws IOException
{
super(connection, containerConfig);
}
@Override
protected boolean isSequenceExists(Connection conn, String sequenceName) throws SQLException
{
ResultSet srs = null;
Statement st = null;
try
{
st = conn.createStatement();
srs = st.executeQuery("SELECT " + sequenceName + ".nextval FROM DUAL");
if (srs.next())
{
return true;
}
return false;
}
catch (SQLException e)
{
// check: ORA-02289: sequence does not exist
if (e.getMessage().indexOf("ORA-02289") >= 0)
{
return false;
}
throw e;
}
finally
{
if (srs != null)
{
try
{
srs.close();
}
catch (SQLException e)
{
LOG.error("Can't close the ResultSet: " + e);
}
}
if (st != null)
{
try
{
st.close();
}
catch (SQLException e)
{
LOG.error("Can't close the Statement: " + e);
}
}
}
}
}