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.report.data.adapter/src/org/eclipse/birt/report/data/adapter/impl/DataSetIterator.java
* @see org.eclipse.birt.data.engine.olap.api.cube.IDatasetIterator#next()
	 */
	public boolean next( ) throws BirtException
	{
		if ( it.getQueryResults( )
				.getPreparedQuery( )
				.getReportQueryDefn( )
				.getGroups( )
				.size( ) == 0 )
			return it.next( );
		if ( !started )
		{
			started = true;
			return it.next( );
		}
		else
		{
			it.skipToEnd( it.getQueryResults( )
					.getPreparedQuery( )
					.getReportQueryDefn( )
					.getGroups( )
					.size( ) );
			return it.next( );
		}
	}
	/**
	 * 
	 *
	 */
	private class ResultMeta