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/util/DiskIndex.java
}
	/**
	 * 
	 * @return
	 */
	public String getName( )
	{
		return name;
	}
	/**
	 * 
	 * @throws IOException
	 * @throws DataException 
	 */
	private void loadFromDisk( ) throws IOException, DataException
	{
		openReadDocumentObject( );
		
		keyDataType =  new int[documentObject.readInt( )];
		for ( int i = 0; i < keyDataType.length; i++ )
		{
			keyDataType[i] = documentObject.readInt( );
		}
		keyCount = documentObject.readInt( );
		degree = documentObject.readInt( );
		rootNodeOffset = documentObject.readInt( );
		numberOfLevel = documentObject.readShort( );
		if ( numberOfLevel < 1 || numberOfLevel > 1000 ||Math.pow( degree, numberOfLevel ) < keyCount )
		{
			throw new DataException( ResourceConstants.OLAPFILE_FORMAT_INVALID,