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
sm_logger.exiting( sm_className, methodName, ret );
		
		return ret;
	}
	
	private ProjectedColumns getProjectedColumns() 
		throws DataException
	{
		String methodName = "getProjectedColumns";
		sm_logger.entering( sm_className, methodName );
		
		if( m_projectedColumns == null )
		{
			IResultSetMetaData odaMetadata = getRuntimeMetaData();
			m_projectedColumns = doGetProjectedColumns( odaMetadata );
		}	
		else if( m_updateProjectedColumns )
		{
			 
			 
			
			IResultSetMetaData odaMetadata = getRuntimeMetaData();
			ProjectedColumns newProjectedColumns = 
				doGetProjectedColumns( odaMetadata );
			updateProjectedColumns( newProjectedColumns, m_projectedColumns );
			m_projectedColumns = newProjectedColumns;
			
			
			m_updateProjectedColumns = false;
		}