Bug 152443 Support boolean type in data set
Support boolean type in data set. It'll cause some data transform issue with absence of boolean type.
data/org.eclipse.birt.data/src/org/eclipse/birt/data/engine/odaconsumer/PreparedStatement.java
String methodName = "supportsNamedResults";
		sm_logger.entering( sm_className, methodName );
		
		if( m_supportsNamedResults != UNKNOWN )
		{
			boolean ret = ( m_supportsNamedResults == TRUE );
			
			if( sm_logger.isLoggingEnterExitLevel() )
				sm_logger.exiting( sm_className, methodName, Boolean.valueOf( ret ) );
			
			return ret;
		}
		
		boolean b = 
			m_connection.getMetaData( m_dataSetType ).supportsNamedResultSets( );
		m_supportsNamedResults = b ? TRUE : FALSE;
		if( sm_logger.isLoggingEnterExitLevel() )
			sm_logger.exiting( sm_className, methodName, Boolean.valueOf( b ) );
		return b;
	}
	
	private boolean supportsInputParameter() throws DataException
	{
		String methodName = "supportsInputParameter";
		sm_logger.entering( sm_className, methodName );
		
		if( m_supportsInputParameters == null )	
		{
			m_supportsInputParameters =
				Boolean.valueOf( m_connection.getMetaData( m_dataSetType ).supportsInParameters() );