See also: https://www.mediawiki.org/wiki/Manual:$wgCategoryCollation
The collation is stored and used by the system as part of the https://www.mediawiki.org/wiki/Manual:Categorylinks_table It determines the sortkey per page linked to a category, which is precalculated (for performance reasons) In general, what you describe sounds like you would want editors to be able to configure a collation PER category (likely even per revision of that category). That means it would have to be stored in derived data of the categories (and/or the revisions) table. A change to this data would then have to fire an update job or something. But as changing the collation requires updating the sortkeys of each of the links of a page that comes into the category, it will be difficult to make this user changeable, as it is such an expensive operation to change a lot of links at the same time. So: 1. No it is not possible right now 2. yes it does require significant changes 3. making those changes performant would be a significant challenge. So it is not an easy change and might even require a change to the whole concept of how categories are sorted. DJ > On 3 May 2025, at 14:26, diskdance via Wikitech-l > <wikitech-l@lists.wikimedia.org> wrote: > > Hello, > > I'm currently verifying the technical viability of a category entry sorting > problem on Chinese Wikipedia: > > As is known to everyone, Chinese Wikipedia is a multi language variant wiki. > This raises a problem as different regions have different Romanization system > of Chinese. For instance, Mainland China exclusively use Pinyin as for > sorting, while Taiwan uses Zhuyin (or Bopomofo), and there isn't even a > popular one in Hong Kong so people tend to use stroke count for sorting. This > situation brings requirements for separating category collations by user > language variant preference. > > However, MediaWiki only allows settings a single $wgCategoryCollation > currently (https://www.mediawiki.org/wiki/Manual:$wgCategoryCollation). I'm > writing to ask: > Is it possible to have different category collations according to the current > language variant? > If not, does it require a significant amount of work (such as changing > database schema) to implement this feature? > > Best regards, > diskdance > _______________________________________________ > Wikitech-l mailing list -- wikitech-l@lists.wikimedia.org > To unsubscribe send an email to wikitech-l-le...@lists.wikimedia.org > https://lists.wikimedia.org/postorius/lists/wikitech-l.lists.wikimedia.org/
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