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
}
		populateDimLevels( grandpa,
				n.getFirstChild( ),
				result,
				bindings,
				onlyFromDirectReferenceExpr );
		populateDimLevels( grandpa,
				n.getLastChild( ),
				result,
				bindings,
				onlyFromDirectReferenceExpr );
	}
	/**
	 * Get binding
	 * 
	 * @param bindings
	 * @param bindingName
	 * @return
	 * @throws DataException
	 */
	private static IBinding getBinding( List bindings, String bindingName )
			throws DataException
	{
		for ( int i = 0; i < bindings.size( ); i++ )
		{
			if ( ( (IBinding) bindings.get( i ) ).getBindingName( )
					.equals( bindingName ) )
				return (IBinding) bindings.get( i );
		}
		return null;