[iNils]

var xml:XML = <data>
	<column operator="oper1" rank="1">0.3</column>
	<column operator="oper2" rank="2">0.6</column>
	<column operator="oper3" rank="3">0.8</column>
</data>;
 
trace (xml.*.(@rank == "1").@operator);
trace (xml.*.(@operator == "oper2").@rank);