Bug 182656 The result is incorrect when a level has two parents[07][1101]
Description: The result is incorrect when a level has two parents[07][1101] Build number: 2.2.0.v20070417-0630 Steps to reproduce: -If the bottom level has two parents , we will considered that a invalid fact table. But now the fact table can get the result, and the result is incorrect.
data/org.eclipse.birt.report.data.adapter/src/org/eclipse/birt/report/data/adapter/impl/DataSetIterator.java
Map levelNameColumnNamePair = new HashMap( );
		this.prepareLevels( query,
				resultMetaList,
				levelNameColumnNamePair,
				hierHandle );
		this.it = session.prepare( query ).execute( null ).getResultIterator( );
		this.populateMeta( levelNameColumnNamePair, resultMetaList );
	}
	/**
	 * Create DataSetIterator for fact table.
	 * 
	 * @param session
	 * @param cubeHandle
	 * @throws BirtException
	 */
	public DataSetIterator( DataRequestSession session,
			TabularCubeHandle cubeHandle ) throws BirtException
	{
		QueryDefinition query = new QueryDefinition( );
		query.setUsesDetails( true );
		query.setDataSetName( cubeHandle.getDataSet( ).getQualifiedName( ) );
		List dimensions = cubeHandle.getContents( CubeHandle.DIMENSIONS_PROP );
		List resultMetaList = new ArrayList( );
		HashMap levelNameColumnNamePair = new HashMap( );
		if ( dimensions != null )
		{
			for ( int i = 0; i < dimensions.size( ); i++ )
			{
				TabularDimensionHandle dimension = (TabularDimensionHandle) dimensions.get( i );
				List hiers = dimension.getContents( DimensionHandle.HIERARCHIES_PROP );