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datalog: stratifier rejects recursion through aggregation (165/165)
Bug: dl-check-stratifiable iterated body literals looking only for
explicit :neg literals, missing aggregate cycles. Now also walks
aggregates via dl-aggregate-dep-edge — q(N) :- count(N, X, q(X))
correctly errors out at saturation time.

3 new tests cover:
- recursion-through-aggregation rejected
- negation + aggregation coexist when in different strata
- min over empty derived relation produces no result
2026-05-08 09:13:10 +00:00

394 B

datalog scoreboard

165 / 165 passing (0 failure(s)).

Suite Passed Total Status
tokenize 26 26 ok
parse 18 18 ok
unify 28 28 ok
eval 18 18 ok
builtins 19 19 ok
semi_naive 8 8 ok
negation 10 10 ok
aggregates 16 16 ok
api 9 9 ok
demo 13 13 ok