Am 07.09.2015 um 18:05 schrieb Emilio J. Rodríguez-Posada:
> Wow, that is a big difference. Almost 4 million.
>
> I think that MediaWiki doesn't count pages without any [[link]]. Is that the
> reason?
No, that only applies to Wikitext.
Here is the relevant code from ItemContent:
public function isCountable( $hasLinks = null ) {
return !$this->isRedirect() && !$this->getItem()->isEmpty();
}
And the relevant code from Item:
public function isEmpty() {
return $this->fingerprint->isEmpty()
&& $this->statements->isEmpty()
&& $this->siteLinks->isEmpty();
}
So all pages that are not empty (have labels or descriptions or aliases or
statements or sitelinks), and are not redirects, should be counted.
Is it possible that the difference of 3,694,285 is mainly redirects? Which dump
were you refering to, Markus? The XML dump contains redirects, and so does the
RDF dump. The JSON dump doesn't... so if you were referring to the JSON dump,
that would imply we have 3.7 million empty (useless) items.
Or, of course, the counting mechanism is just broken. Which is quite possible.
--
Daniel Kinzler
Senior Software Developer
Wikimedia Deutschland
Gesellschaft zur Förderung Freien Wissens e.V.
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