[Wikidata-bugs] [Maniphest] [Commented On] T159723: NotMaterializedException when one branch of UNION binds ?variable and other branch binds ?variableLabel and label service is used

[WikidataFacts]

WikidataFacts added a comment.

I think these are the same issue:

SELECT ?x ?xLabel WHERE {
  BIND(wd:Q42 AS ?x).
  BIND("Douglas Adams"@en AS ?xLabel).
  SERVICE wikibase:label { bd:serviceParam wikibase:language "en". }
}

Link

SELECT ?x ?xLabel WHERE {
  VALUES (?x ?xLabel) {
    (wd:Q42 "Douglas Adams"@en)
  }
  SERVICE wikibase:label { bd:serviceParam wikibase:language "en". }
}

Link

(Motivation for the second example: I have a selection of values with predefined labels, which may not match the Wikidata labels.)

TASK DETAIL

https://phabricator.wikimedia.org/T159723

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To: WikidataFacts
Cc: Smalyshev, Aklapper, WikidataFacts, EBjune, merbst, Avner, debt, Gehel, D3r1ck01, Jonas, FloNight, Xmlizer, Izno, jkroll, Wikidata-bugs, Jdouglas, aude, Deskana, Manybubbles, Mbch331, Jay8g, Krenair

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