Michael created this task. Michael added a project: Wikidata Query Builder. Restricted Application added a subscriber: Aklapper. Restricted Application added a project: Wikidata.
TASK DESCRIPTION If I want all `taxons` except those that have `taxon names` with references, then I just get all taxons. (This is not specific to taxons, they're just an example and it involves no hierarchies.) Steps to Reproduce: Query Builder Query <https://query-builder-test.toolforge.org/?query=%7B%22conditions%22%3A%5B%7B%22propertyId%22%3A%22P31%22%2C%22propertyDataType%22%3A%22wikibase-item%22%2C%22propertyValueRelation%22%3A%22matching%22%2C%22referenceRelation%22%3A%22regardless%22%2C%22value%22%3A%22Q16521%22%2C%22subclasses%22%3Afalse%2C%22conditionRelation%22%3Anull%2C%22negate%22%3Afalse%7D%2C%7B%22propertyId%22%3A%22P225%22%2C%22propertyDataType%22%3A%22string%22%2C%22propertyValueRelation%22%3A%22regardless-of-value%22%2C%22referenceRelation%22%3A%22with%22%2C%22value%22%3A%22%22%2C%22subclasses%22%3Afalse%2C%22conditionRelation%22%3A%22and%22%2C%22negate%22%3Atrue%7D%5D%2C%22limit%22%3A4%2C%22useLimit%22%3Atrue%2C%22omitLabels%22%3Atrue%7D> Actual Results: I get taxons with taxon names with references Expected Results: I get only taxons with taxon names without references or without taxon names. **Note** - setting the references dropdown to "with or without references" makes the query work as expected. TASK DETAIL https://phabricator.wikimedia.org/T277308 WORKBOARD https://phabricator.wikimedia.org/project/board/4990/ EMAIL PREFERENCES https://phabricator.wikimedia.org/settings/panel/emailpreferences/ To: Michael Cc: Aklapper, Michael, maantietaja, Akuckartz, Nandana, Lahi, Gq86, GoranSMilovanovic, QZanden, LawExplorer, _jensen, rosalieper, Scott_WUaS, abian, Wikidata-bugs, aude, Mbch331
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