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
DocumentObjectUtil.writeValue( documentObject,
						keyDataType,
						( (IndexKey) sortedKeyArray.get( sortedKeyArray.size( ) - 1 ) ).key );
			}
			documentObject.writeInt( ( (Integer) startOffset.get( i ) ).intValue( ) );
		}
		return sonStartOffset;
	}
	
	
	/**
	 * 
	 * @param a
	 * @param b
	 * @return
	 */
	private int pow( int a, int b )
	{
		int reValue = a;
		for ( int i = 0; i < b - 1; i++ )
		{
			reValue *= a;
		}
		return reValue;
	}
	/**
	 * 
	 * @param keyObject
	 * @throws IOException
	 */