Bug 132519 The program is differ from the specification
Description: The program is differ from the specification Detail: 1.In the code of BuiltInAggregationFactory.java public static final String TOTAL_TOP_PERCENT_FUNC = "ISTOPPERCENT"; public static final String TOTAL_BOTTOM_PERCENT_FUNC = "ISBOTTOMPERCENT"; should change to: public static final String TOTAL_TOP_PERCENT_FUNC = "ISTOPNPERCENT"; public static final String TOTAL_BOTTOM_PERCENT_FUNC = "ISBOTTOMNPERCENT"; 2. the function Total.isTopNPercent( expr, pct ) the value of Pct should be [0,100]
data/org.eclipse.birt.data/src/org/eclipse/birt/data/engine/impl/PreparedQuery.java
Collection subQueries = trans.getSubqueries( );
		Iterator subIt = subQueries.iterator( );
		while ( subIt.hasNext( ) )
		{
			ISubqueryDefinition subquery = (ISubqueryDefinition) subIt.next( );
			PreparedSubquery pq = new PreparedSubquery( this.dataEngineContext,
					this.expressionCompiler,
					this.sharedScope,
					subquery,
					queryService,
					groupLevel );
			subQueryMap.put( subquery.getName(), pq);
		}
	}
	
	/**
	 * Prepares all expressions in the given collection
	 * 
	 * @param expressions
	 * @param groupLevel
	 * @param afterGroup
	 * @param cx
	 */
	private void prepareExpressions( Collection expressions, int groupLevel,
			boolean afterGroup, boolean isDetailedRow, Context cx )
	{
	    if ( expressions == null )
	        return;