t1:
id: 1
member_role: "some"
- member_type: "way"
+ member_type: "Way"
member_id: 3
t2:
id: 1
member_role: "some"
- member_type: "node"
+ member_type: "Node"
member_id: 5
t3:
id: 1
member_role: "some"
- member_type: "relation"
+ member_type: "Relation"
member_id: 3
t4:
id: 3
member_role: "some"
- member_type: "node"
+ member_type: "Node"
+ member_id: 5
+
+t5:
+ id: 2
+ member_role: "some"
+ member_type: "Node"
member_id: 5