arne-bdt commented on issue #3455:
URL: https://github.com/apache/jena/issues/3455#issuecomment-3316152685
> Isn't `?x` unbound within the `OPTIONAL`s? Inside-out SPARQL execution and
all that :)
```SPARQL
SELECT ?x ?y ?z1 ?z2
WHERE
{
VALUES ?x { "A" "B" }
BIND(?x as ?y)
OPTIONAL {
FILTER(STRSTARTS(?x, "A") && BOUND(?x))
BIND(?x as ?z1)
}
OPTIONAL {
FILTER(STRSTARTS(?x, "A") && BOUND(?x))
BIND("starts with A" as ?z2)
}
}
```
returns the same output.
--> ?x is bound in both optional block.
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