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19 beta 3
2012
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2.18
2024.2 LTS
2025.2 LTS
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Sakila
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AdventureWorks
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AdventureWorks
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with edges (id, a, b) as ( select 1, 'X', 'Y' from dual union select 2, 'X', 'Y' from dual ), r (l, id, parent_a, parent_b, child_a, child_b, edge_seen) as ( select 0, id, null, null, a, b, cast(collect(id) over () as sys.ku$_objnumset) from edges where id = 1 union all select r.l + 1, e.id, r.child_a, r.child_b, e.a, e.b , r.edge_seen multiset union distinct (cast(collect(e.id) over () as sys.ku$_objnumset)) from r join edges e on (r.child_a in (e.a, e.b) or r.child_b in (e.a, e.b)) and e.id not member of (select r.edge_seen from dual) ) select * from r;
ORA-32044: cycle detected while executing recursive WITH query