if ( dataSourceType.equalsIgnoreCase( advancedDataType ) )
if ( dataSourceType != null && dataSourceType.equalsIgnoreCase( advancedDataType ) )
	public IQuery newQuery( String dataSourceType )			throws OdaException	{		logger.logp( java.util.logging.Level.FINE,				Connection.class.getName( ),				"createStatement",				"Connection.createStatement(" + dataSourceType + ")" );		// only one data source type, ignoring the argument.		assertOpened( );		if ( dataSourceType.equalsIgnoreCase( advancedDataType ) )			return new CallStatement( jdbcConn );		else			return new Statement( jdbcConn );	}