Bug 123726 "Top n", "Bottom n" in highlight dialog doesn't work.
Description: "Top n", "Bottom n" in highlight dialog doesn't work. Steps to reproduce: 1. Add a highlight for a table. 2. Set highlight rule: "account_id", "top n", "3", let its font color red. 3. Preview the report, it doesn't work. Attached is design file.
data/org.eclipse.birt.data/src/org/eclipse/birt/data/engine/script/NEvaluator.java
{
	private static int MAX_N_VALUE = 1000000;
	private Object[] valueList; 
	private int[] rowIdList;
	private int firstPassRowNumberCounter = 0;
	private int secondPassRowNumberCounter = 0;
	private int qualifiedRowCounter = 0;
	
	
	private int N = -1;
	
	
	private boolean n_percent = false;
	
	
	private IScriptExpression op_expr;