afs commented on issue #2896:
URL: https://github.com/apache/jena/issues/2896#issuecomment-2552276985
This is a bug in the algorithm of SEP-0007. The algebra has a `(table unit)`
inside a strict `join`.
The `(table unit)` needs the binding injected but the algorithm does not
consider that. Actually any `(table)` i.e. `VALUES`.
```lisp
(lateral
(extend ((?xIn "x"))
(table unit))
(join
(extend ((?foo "foo"))
(table unit))
(project (?xIn ?xOut)
(extend ((?xOut ?xIn))
(table unit)))))
```
Elsewhere (the `SimpleEvcaluator` "reference" query evaluator) does exploit
a #2799 related-execution to come up with the right answer for the wrong
reasons.
Thank you for the report!
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