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[] levelMembers = dimensionMember.members;
		for ( int i = 0; i < levelMembers.length; i++ )
		{
			writeLevelMember( levelMembers[i], keyDataType[i], attributesDataType[i] );
		}
	}
	
	/**
	 * 
	 * @param levelMember
	 * @param keyDataType
	 * @param attributesDataType
	 * @throws IOException
	 */
	private void writeLevelMember( Member levelMember, int keyDataType[], int[] attributesDataType )
			throws IOException
	{
		for ( int i = 0; i < levelMember.keyValues.length; i++ )
		{
			DocumentObjectUtil.writeValue( documentObj,
					keyDataType[i],
					levelMember.keyValues[i] );
		}
		if ( levelMember.attributes != null )
		{
			for ( int i = 0; i < levelMember.attributes.length; i++ )
			{
				DocumentObjectUtil.writeValue( documentObj,
						attributesDataType[i],