[Wikidata-bugs] [Maniphest] [Created] T171303: endpoint name can be a variable (currently: endpoint name should be a constant)

[Esc3300]

Esc3300 created this task. Esc3300 added a project: Wikidata-Query-Service. Herald added a subscriber: Aklapper. Herald added projects: Wikidata, Discovery.

TASK DESCRIPTION

Changing the sample query in the manual to the following:

SELECT * WHERE {
  BIND("en.wikipedia.org" as ?wiki)
  wd:Q27119725 wdt:P910 ?category .
  ?link schema:about ?category; schema:isPartOf <https://en.wikipedia.org/>; schema:name ?title .
  SERVICE wikibase:mwapi {
	 bd:serviceParam wikibase:api "Generator" .
     bd:serviceParam wikibase:endpoint ?wiki .
     bd:serviceParam mwapi:gcmtitle ?title .
     bd:serviceParam mwapi:generator "categorymembers" .
     bd:serviceParam mwapi:gcmprop "ids|title|type" .
     bd:serviceParam mwapi:gcmlimit "max" .
    # out
    ?subcat wikibase:apiOutput mwapi:title  .
    ?ns wikibase:apiOutput "@ns" .
    ?item wikibase:apiOutputItem mwapi:item .
  }
}

Throws an error: "java.lang.IllegalArgumentException: Endpoint name should be a constant"

To query several endpoints based on sitelinks on an item, it would be interesting if the endpoint name could be defined in a variable.

TASK DETAIL

https://phabricator.wikimedia.org/T171303

EMAIL PREFERENCES

https://phabricator.wikimedia.org/settings/panel/emailpreferences/

To: Esc3300
Cc: Aklapper, Esc3300, GoranSMilovanovic, QZanden, EBjune, merbst, Avner, debt, Gehel, Jonas, FloNight, Xmlizer, Izno, jkroll, Smalyshev, Wikidata-bugs, Jdouglas, aude, Tobias1984, Manybubbles, Mbch331

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