# first find the ids of nodes, ways and relations referenced by this
# relation - note that we exclude this relation just in case.
- node_ids = relation.members.select { |m| m[0] == "Node" }.map { |m| m[1] }
- way_ids = relation.members.select { |m| m[0] == "Way" }.map { |m| m[1] }
- relation_ids = relation.members.select { |m| m[0] == "Relation" && m[1] != relation.id }.map { |m| m[1] }
+ node_ids = relation.members.select { |m| m[0] == "Node" }.pluck(1)
+ way_ids = relation.members.select { |m| m[0] == "Way" }.pluck(1)
+ relation_ids = relation.members.select { |m| m[0] == "Relation" && m[1] != relation.id }.pluck(1)
# next load the relations and the ways.