[Wikidata-bugs] [Maniphest] [Commented On] T140151: NullPointerException when subtracting dates

[Smalyshev]

Smalyshev added a comment.

The trigger is wd:Q4165863:

SELECT ?person ?age
WHERE
{
  BIND(wd:Q4165863 as ?person)
  ?person wdt:P569 ?dateOfBirth;
          wdt:P570 ?dateOfDeath.
  BIND(?dateOfDeath - ?dateOfBirth AS ?age).
}

TASK DETAIL

https://phabricator.wikimedia.org/T140151

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

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