/* postgres can not */ use plato; $i = select * from Input; $i = process $i; $members = StructTypeComponents(ListItemType(TypeHandle(TypeOf($i)))); $filteredMembers = ListFilter(ListMap($members, ($x) -> { return $x.Name }), ($x) -> { return $x > "k" }); select ChooseMembers(TableRow(), $filteredMembers) from Input view raw;