[Wikidata-bugs] [Maniphest] [Commented On] T145868: "Headless value factory should not be asked for its namespace" error ( Wikidata Query Service)

Fri, 16 Sep 2016 16:25:02 -0700

Smalyshev added a comment.

Also note that you can rewrite it as:

SELECT ?item ?host (bound(?host) as ?p1)
{
	?item wdt:P31 wd:Q3917681
	OPTIONAL {?item wdt:P17 ?host }
}


and that works.

TASK DETAIL
https://phabricator.wikimedia.org/T145868

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To: Smalyshev
Cc: Smalyshev, Aklapper, Esc3300, mschwarzer, Avner, debt, Gehel, D3r1ck01, Jonas, FloNight, Xmlizer, Izno, jkroll, Wikidata-bugs, Jdouglas, aude, Deskana, Manybubbles, Mbch331
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