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/*
* Copyright (c) 2004 - 2012 Eike Stepper (Berlin, Germany) and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Eike Stepper - initial API and implementation
* Erdal Karaca - copied from mysql impl to adapt to oracle db
*/
package org.eclipse.net4j.db.oracle;
import org.eclipse.net4j.db.DBException;
import org.eclipse.net4j.db.DBType;
import org.eclipse.net4j.db.ddl.IDBField;
import org.eclipse.net4j.db.ddl.IDBIndex;
import org.eclipse.net4j.db.ddl.IDBTable;
import org.eclipse.net4j.db.oracle.internal.bundle.OM;
import org.eclipse.net4j.spi.db.DBAdapter;
import org.eclipse.net4j.util.om.trace.ContextTracer;
import javax.sql.DataSource;
import java.sql.Driver;
import java.sql.SQLException;
import java.sql.Statement;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
public class OracleAdapter extends DBAdapter
{
private static final ContextTracer TRACER = new ContextTracer(OM.DEBUG_SQL, DBAdapter.class);
public static final String NAME = "oracle"; //$NON-NLS-1$
public static final String VERSION = "11.1.0.7"; //$NON-NLS-1$
public OracleAdapter()
{
super(NAME, VERSION);
}
public Driver getJDBCDriver()
{
return new oracle.jdbc.driver.OracleDriver();
}
public DataSource createJDBCDataSource()
{
try
{
return new oracle.jdbc.pool.OracleDataSource();
}
catch (SQLException e)
{
throw new DBException(e);
}
}
@Override
protected void createIndex(IDBIndex index, Statement statement, int num) throws SQLException
{
IDBTable table = index.getTable();
StringBuilder builder = new StringBuilder();
builder.append("CREATE "); //$NON-NLS-1$
if (index.getType() == IDBIndex.Type.UNIQUE || index.getType() == IDBIndex.Type.PRIMARY_KEY)
{
builder.append("UNIQUE "); //$NON-NLS-1$
}
builder.append("INDEX I"); //$NON-NLS-1$
builder.append(System.currentTimeMillis());
try
{
Thread.sleep(1);
}
catch (InterruptedException ex)
{
OM.LOG.error(ex);
return;
}
builder.append("_");
builder.append(num);
builder.append(" ON "); //$NON-NLS-1$
builder.append(table);
builder.append(" ("); //$NON-NLS-1$
IDBField[] fields = index.getFields();
for (int i = 0; i < fields.length; i++)
{
if (i != 0)
{
builder.append(", "); //$NON-NLS-1$
}
addIndexField(builder, fields[i]);
}
builder.append(")"); //$NON-NLS-1$
String sql = builder.toString();
if (TRACER.isEnabled())
{
TRACER.trace(sql);
}
statement.execute(sql);
}
public String[] getReservedWords()
{
List<String> list = new ArrayList<String>(Arrays.asList(getSQL92ReservedWords()));
list.add("INDEX");
list.add("COMMENT");
return list.toArray(new String[list.size()]);
}
@Override
public boolean isTypeIndexable(DBType type)
{
switch (type)
{
case VARCHAR:
return false;
default:
return super.isTypeIndexable(type);
}
}
@Override
protected String getTypeName(IDBField field)
{
DBType type = field.getType();
switch (type)
{
case NUMERIC:
case DECIMAL:
case FLOAT:
case REAL:
case DOUBLE:
case BIGINT:
return "NUMBER";
case TINYINT:
return "NUMBER(5)";
case SMALLINT:
case BOOLEAN:
return "NUMBER(7)";
case INTEGER:
return "NUMBER(12)";
case DATE:
case TIME:
return "DATE";
case CHAR:
case VARCHAR:
return "VARCHAR2(" + field.getPrecision() + ")";
default:
return super.getTypeName(field);
}
}
@Override
public int getFieldLength(DBType type)
{
if (type == DBType.VARCHAR)
{
return 4000; // Oracle only supports 4000 for VARCHAR
}
return super.getFieldLength(type);
}
@Override
public DBType adaptType(DBType type)
{
if (type == DBType.BOOLEAN)
{
return DBType.SMALLINT;
}
return super.adaptType(type);
}
@Override
public int getMaxTableNameLength()
{
return 30;
}
@Override
public int getMaxFieldNameLength()
{
return 30;
}
@Override
public boolean isTableNotFoundException(SQLException ex)
{
String message = ex.getMessage();
return message != null && message.toLowerCase().contains("ora-00942") && "42000".equals(ex.getSQLState());
}
@Override
public boolean isColumnNotFoundException(SQLException ex)
{
String message = ex.getMessage();
return message != null && message.toLowerCase().contains("ora-00904") && "42000".equals(ex.getSQLState());
}
@Override
public boolean isDuplicateKeyException(SQLException ex)
{
String message = ex.getMessage();
return message != null && message.toLowerCase().contains("ora-00001") && "23000".equals(ex.getSQLState());
}
}
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