Bug 210357 Can not get sorting key if xtab has a count aggregation binding[1102]
Description: Can not get sorting key if xtab has a count aggregation binding. The filter got the same issue. Build number: 2.3.0.v20071120-0800 Steps to reproduce: 1, New a Cube 2, New a crosstab using the cube 3, Add a aggregation binding on crosstab and select the function to COUNT, leave the datafield empty 4, after step3, goto sort page and add a sorting Expected result: User can get the sorting keys Actual result: The sorting key list is empty and the filter has the same issue
data/org.eclipse.birt.data/src/org/eclipse/birt/data/engine/olap/util/OlapExpressionCompiler.java
finally
		{
			Context.exit( );
		}
	}
	/**
	 * 
	 * @param n
	 * @param result
	 * @param bindings
	 * @param onlyFromDirectReferenceExpr
	 * @throws DataException
	 */
	private static void populateDimLevels( Node grandpa, Node n, Set result,
			List bindings, boolean onlyFromDirectReferenceExpr )
			throws DataException
	{
		if ( n == null )
			return;
		if ( onlyFromDirectReferenceExpr )
		{
			if ( n.getType( ) == Token.SCRIPT )
			{
				if ( n.getFirstChild( ) == null
						|| n.getFirstChild( ).getType( ) != Token.EXPR_RESULT )
					return;
				if ( n.getFirstChild( ).getFirstChild( ) == null
						|| ( n.getFirstChild( ).getFirstChild( ).getType( ) != Token.GETPROP && n.getFirstChild( )
								.getFirstChild( )
								.getType( ) != Token.GETELEM ) )