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datalog: magic ≡ semi on federation foaf demo (237/237)
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giles
2026-05-08 14:29:18 +00:00
parent 4a7cff2f6b
commit e981368dcf
3 changed files with 20 additions and 6 deletions
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8
lib/datalog/scoreboard.json
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@@ -1,8 +1,8 @@
{ {
"lang": "datalog", "lang": "datalog",
"total_passed": 236, "total_passed": 237,
"total_failed": 0, "total_failed": 0,
"total": 236, "total": 237,
"suites": [ "suites": [
{"name":"tokenize","passed":26,"failed":0,"total":26}, {"name":"tokenize","passed":26,"failed":0,"total":26},
{"name":"parse","passed":20,"failed":0,"total":20}, {"name":"parse","passed":20,"failed":0,"total":20},
@@ -13,8 +13,8 @@
{"name":"negation","passed":10,"failed":0,"total":10}, {"name":"negation","passed":10,"failed":0,"total":10},
{"name":"aggregates","passed":20,"failed":0,"total":20}, {"name":"aggregates","passed":20,"failed":0,"total":20},
{"name":"api","passed":20,"failed":0,"total":20}, {"name":"api","passed":20,"failed":0,"total":20},
{"name":"magic","passed":28,"failed":0,"total":28}, {"name":"magic","passed":29,"failed":0,"total":29},
{"name":"demo","passed":21,"failed":0,"total":21} {"name":"demo","passed":21,"failed":0,"total":21}
], ],
"generated": "2026-05-08T14:19:14+00:00" "generated": "2026-05-08T14:29:08+00:00"
} }

4
lib/datalog/scoreboard.md
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@@ -1,6 +1,6 @@
# datalog scoreboard # datalog scoreboard
**236 / 236 passing** (0 failure(s)). **237 / 237 passing** (0 failure(s)).
| Suite | Passed | Total | Status | | Suite | Passed | Total | Status |
|-------|--------|-------|--------| |-------|--------|-------|--------|
@@ -13,5 +13,5 @@
| negation | 10 | 10 | ok | | negation | 10 | 10 | ok |
| aggregates | 20 | 20 | ok | | aggregates | 20 | 20 | ok |
| api | 20 | 20 | ok | | api | 20 | 20 | ok |
| magic | 28 | 28 | ok | | magic | 29 | 29 | ok |
| demo | 21 | 21 | ok | | demo | 21 | 21 | ok |

14
lib/datalog/tests/magic.sx
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@@ -228,6 +228,20 @@
(and (= (len found) 1) (= (len missing) 0)))) (and (= (len found) 1) (= (len missing) 0))))
true) true)
;; Magic equivalence on the federation demo.
(dl-mt-test! "magic ≡ semi on foaf demo"
(let
((db (dl-program-data
(quote ((follows alice bob)
(follows bob carol)
(follows alice dave)))
dl-demo-federation-rules)))
(let
((semi (dl-query db (quote (foaf alice X))))
(magic (dl-magic-query db (quote (foaf alice X)))))
(= (len semi) (len magic))))
true)
;; Magic over a rule whose body contains an aggregate. ;; Magic over a rule whose body contains an aggregate.
;; The rewriter passes aggregate body lits through unchanged ;; The rewriter passes aggregate body lits through unchanged
;; (no propagation generated for them), so semi-naive's count ;; (no propagation generated for them), so semi-naive's count