Bug 182296 Crosstab - non-numeric measures
Feature request. Looking at the 2.2.M6 release, it seems that measures (the fields that can be in the matrix part of the output) need to be numeric. I looked at the spec documents and it seems there is no requirement for non-numeric measures
data/org.eclipse.birt.data/src/org/eclipse/birt/data/engine/olap/data/impl/dimension/Hierarchy.java
Member levelMember = new Member( );
		levelMember.keyValues = new Object[level.keyColNames.length];
		for ( int i = 0; i < level.keyColNames.length; i++ )
		{
			levelMember.keyValues[i] = DocumentObjectUtil.readValue( documentObj,
					level.keyDataType[i] );
		}
		if ( level.attributeDataTypes != null && level.attributeDataTypes.length>0)
		{
			levelMember.attributes = new Object[level.attributeDataTypes.length];
			for ( int i = 0; i < level.attributeDataTypes.length; i++ )
			{
				levelMember.attributes[i] = DocumentObjectUtil.readValue( documentObj,
						level.attributeDataTypes[i]);
			}
		}
		return levelMember;
	}
	
	/**
	 * 
	 * @return
	 * @throws IOException
	 */
	public IDiskArray readAllRows( ) throws IOException
	{
		BufferedStructureArray resultArray = new BufferedStructureArray( DimensionRow.getCreator( ),
				Constants.LIST_BUFFER_SIZE );
		documentObj.seek( 0 );
		int size = documentObj.readInt( );