Parser and Lua functions should track changes to 'formatter URL' property
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	matej_suchanek
	Sep 8 2017, 3:28 PM

Description

When {{#statement:Pxxx}} is used on a wiki page to generate an external link, it always consumes the "formatter URL" of the Pxxx property. (The same applies to Lua functions like mw.wikibase.formatValue.)
When this "formatter URL" statement is updated, the pages have to be re-parsed (purged) to show the correct link.
Use Wikibase usage tracking to deliver these updates (e.g., aspect C.P1630).

Note that the option formatterUrlProperty is only available to the repository, which makes this somewhat non-trivial.

See T112081: [Story] purge cached renderings of IDs when the formatter URL changes for a similar story on the repository.

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Status	Assigned	Task
		· · ·
Resolved	Lydia_Pintscher	T49288 [Epic] Track Wikidata entity usage on client pages
Open	None	T175376 Parser and Lua functions should track changes to 'formatter URL' property
Resolved	hoo	T151717 Usage tracking: record which statement group is used
		· · ·

Event Timeline

matej_suchanek created this task.Sep 8 2017, 3:28 PM

Restricted Application added a subscriber: Aklapper. · View Herald TranscriptSep 8 2017, 3:28 PM

@matej_suchanek , this is good point. I think it is not related to usage aspect C directly. Can you please elaborate ?
Currently either someone access it explicitly (getEntity(P214)) or implicitly using formatValue and similar stuff. I think it is/should be handled in UsageTrackingSnakFormatter.

PS: C is going to be evaluated soon in https://gerrit.wikimedia.org/r/#/c/375544/ (if this could have any negative impact please -1 there)

Now this is not being tracked at all and we are not able to focus a single property. So the only way is to use an inaccurate aspect (O/X) that tracks all changes to the property, which are irrelevant to individual articles. With C introduction, the aspect will be as simple as C.P1630.

matej_suchanek added a subtask: T151717: Usage tracking: record which statement group is used.Oct 20 2017, 7:39 PM

matej_suchanek added a parent task: T49288: [Epic] Track Wikidata entity usage on client pages.

Lydia_Pintscher closed subtask T151717: Usage tracking: record which statement group is used as Resolved.Mar 2 2018, 11:51 AM

hoo added a project: Wikibase-Lua.Apr 12 2018, 1:52 PM

hoo moved this task from Incoming to To do later on the Wikibase-Lua board.Apr 12 2018, 1:56 PM

Michael moved this task from Backlog to ChangeDispatch&Watchlists on the MediaWiki-extensions-Wikibase-Client board.Mar 6 2024, 11:11 AM

Michael added a project: Wikidata Change Dispatching & Watchlists.Mar 7 2024, 6:03 PM

Michael moved this task from Incoming to Usage Tracking (Improve/Extend) on the Wikidata Change Dispatching & Watchlists board.Mar 7 2024, 7:08 PM

Michael moved this task from To do later to New Capabilities & Convenience on the Wikibase-Lua board.Mar 28 2024, 11:24 AM

matej_suchanek updated the task description. (Show Details)May 2 2025, 12:09 PM