[Wikidata-bugs] [Maniphest] [Created] T146513: On some queries, graph display is unstable and does not converge to a stable state

[Smalyshev]

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

TASK DESCRIPTION

With this query:

#defaultView:Graph
select ?author1 ?author1Label ?image ?author2 where {
  ?item wdt:P31 wd:Q13442814 .
{ ?item wdt:P921 wd:Q202864 . } UNION { ?item wdt:P921 wd:Q8071861 . }
  ?item wdt:P50 ?author1 ;
        wdt:P50 ?author2 .
  optional { ?author1 wdt:P18 ?image . }
  filter not exists { filter (?author1 = ?author2) }
  SERVICE wikibase:label { bd:serviceParam wikibase:language "en" . }
}

When displaying the graph, part of it does not stabilize but keeps jiggling around forever.

TASK DETAIL

https://phabricator.wikimedia.org/T146513

EMAIL PREFERENCES

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

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

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