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/impl/PreparedQuery.java
logger.fine( "Start to prepare a PreparedQuery." );
		prepare();
		logger.fine( "Finished preparing the PreparedQuery." );
	}
	
	/**
	 * @return the IBaseQueryDefn instance which defines this query
	 */	
	protected IBaseQueryDefinition getQueryDefn( )
	{
		return queryDefn;
	}
	
	/**
	 * @return the registry of all aggregate expression
	 */
	AggregateTable getAggrTable()
	{
		return aggrTable;
	}
	/**
	 * @return appContext
	 */
	protected Map getAppContext()
	{
	    return appContext;	    
	}
	
	/**