Template:Complex constraint

{{{label}}}
(Help)
Violations query: {{{sparql}}}
List of this constraint violations: [[Wikidata:Database reports/Complex constraint violations/Complex constraint#{{{label}}}|Database reports/Complex constraint violations/Complex constraint#{{{label}}}]]

Template documentation

This template defines complex constraints to detect items to which a property has been assigned an invalid value. To use it, put the template on an item talk page or property talk page. A bot will create a report and update it daily.

Template parameters[Edit template data]
This template prefers block formatting of parameters.
Parameter		Description	Type	Status
label	`label`	Short title of the constraint; do not use templates, internal or external links	Line	required
description	`description`	Explanation of the constraint	Line	suggested
SPARQL	`sparql`	SPARQL query (without prefix) to be executed. The query needs to return the entity id in field ?item; the pipe character "\|" needs to be masked with "{{!}}".	Unknown	required

Example:

{{Complex constraint
 | label = Unsuitable IMDb identifier for human
 | description = Person with IMDb identifier but prefix is not nm
 | sparql = SELECT ?item WHERE { ?item wdt:P31 wd:Q5. ?item wdt:P345 ?imdb . filter (substr(?imdb,0,2) != 'nm')}
 }}

See also