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
updateProjectedColumns( newProjectedColumns, projectedColumns );
			getNamedProjectedColumns().put( resultSetName, newProjectedColumns );
			
			
			m_updateNamedProjectedColumns.remove( resultSetName );
		}
		
		sm_logger.exiting( sm_className, methodName, projectedColumns );
		
		return projectedColumns;
	}
	
	private IResultSetMetaData getRuntimeMetaData( String resultSetName ) 
		throws DataException
	{
		String methodName = "getRuntimeMetaData";
		sm_logger.entering( sm_className, methodName, resultSetName );
		
		try
		{
			IResultSetMetaData ret = getAdvancedStatement().getMetaDataOf( resultSetName );
			
			sm_logger.exiting( sm_className, methodName, ret );
			
			return ret;
		}
		catch( OdaException ex )
		{
			sm_logger.logp( Level.SEVERE, sm_className, methodName, 
							"Cannot get metadata for named resultset.", ex );