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
resultClass = doGetResultClass( projectedColumns );
			getNamedCurrentResultClasses().put( resultSetName, resultClass );
		}
		
		sm_logger.exiting( sm_className, methodName, resultClass );
		
		return resultClass;
	}
	private ProjectedColumns getProjectedColumns( String resultSetName )
		throws DataException
	{
		String methodName = "getProjectedColumns";
		sm_logger.entering( sm_className, methodName, resultSetName );
		
		ProjectedColumns projectedColumns = 
			(ProjectedColumns) getNamedProjectedColumns().get( resultSetName );
		if( projectedColumns == null )
		{
			IResultSetMetaData odaMetadata = getRuntimeMetaData( resultSetName );
			projectedColumns = doGetProjectedColumns( odaMetadata );	
			getNamedProjectedColumns().put( resultSetName, projectedColumns );
		}
		else if( m_updateNamedProjectedColumns != null && 
				 m_updateNamedProjectedColumns.contains( resultSetName ) )
		{
			 
			
			IResultSetMetaData odaMetadata = getRuntimeMetaData( resultSetName );
			ProjectedColumns newProjectedColumns = 
				doGetProjectedColumns( odaMetadata );