Prefetch entities in fed props for entity page rendering
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	Addshore
	Jul 15 2020, 10:50 AM

Description

We already have a prefetching service ApiEntityLookup it is only used in a prefetching term lookup currently.
We removed some old prefetching which could have some parts used as an example (such as finding a list of referenced entities) https://gerrit.wikimedia.org/r/c/mediawiki/extensions/Wikibase/+/604121/8/repo/includes/ParserOutput/FullEntityParserOutputGenerator.php#b197

When one of these pages is rendered (ParserOutputGenerator)
As few API calls as possible should be performed
By using the ApiEntityLookup to pre fetch and batch the entity lookups

Details

	Subject	Repo	Branch	Lines +/-
	FP: Prefetch properties for items	mediawiki/extensions/Wikibase	master	+144 -14

Customize query in gerrit

Related Objects
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		Status	Subtype	Assigned	Task
		Resolved		None	T254740 Prefetch entities as part of federated properties
		Resolved		• toan	T258041 Prefetch entities in fed props for entity page rendering

Event Timeline

Addshore created this task.Jul 15 2020, 10:50 AM

Addshore moved this task from Backlog to Prioritized backlog (aka Ready to pick up) on the Wikibase - Federated Properties board.Jul 15 2020, 10:56 AM

hoo claimed this task.Jul 16 2020, 11:15 AM

hoo edited projects, added Wikibase - Federated Properties (Sprint 3/6 (Hike 2)); removed Wikibase - Federated Properties.

hoo moved this task from To do to Doing on the Wikibase - Federated Properties (Sprint 3/6 (Hike 2)) board.

• Samantha_Alipio_WMDE edited projects, added Wikibase - Federated Properties; removed Wikibase - Federated Properties (Sprint 3/6 (Hike 2)).Jul 22 2020, 8:05 AM

• Samantha_Alipio_WMDE moved this task from Sprint 3/6 (Hike 2) to Prioritized backlog (aka Ready to pick up) on the Wikibase - Federated Properties board.

• toan moved this task from Prioritized backlog (aka Ready to pick up) to Sprint 4/6 (Hike 2) on the Wikibase - Federated Properties board.Aug 14 2020, 7:45 AM

• toan edited projects, added Wikibase - Federated Properties (Sprint 4/6 (Hike 2)); removed Wikibase - Federated Properties.

• toan moved this task from To do to Doing on the Wikibase - Federated Properties (Sprint 4/6 (Hike 2)) board.

• Samantha_Alipio_WMDE edited projects, added Wikibase - Federated Properties (Sprint 5/6 (Hike 2)); removed Wikibase - Federated Properties (Sprint 4/6 (Hike 2)).Aug 19 2020, 8:37 AM

• Samantha_Alipio_WMDE moved this task from To do to Doing on the Wikibase - Federated Properties (Sprint 5/6 (Hike 2)) board.

• toan claimed this task.Aug 19 2020, 12:08 PM

• toan added a subscriber: hoo.

Change 621280 had a related patch set uploaded (by Tobias Andersson; owner: Tobias Andersson):
[mediawiki/extensions/Wikibase@master] FP: Prefetch properties for items

https://gerrit.wikimedia.org/r/621280

gerritbot added a project: Patch-For-Review.Aug 19 2020, 2:34 PM

• toan moved this task from Doing to Peer Review on the Wikibase - Federated Properties (Sprint 5/6 (Hike 2)) board.Aug 20 2020, 12:58 PM

• toan moved this task from Peer Review to Doing on the Wikibase - Federated Properties (Sprint 5/6 (Hike 2)) board.Aug 21 2020, 8:21 AM

• toan moved this task from Doing to Peer Review on the Wikibase - Federated Properties (Sprint 5/6 (Hike 2)) board.Aug 21 2020, 11:26 AM

• toan moved this task from Peer Review to Doing on the Wikibase - Federated Properties (Sprint 5/6 (Hike 2)) board.Aug 26 2020, 10:58 AM

• toan moved this task from Doing to Peer Review on the Wikibase - Federated Properties (Sprint 5/6 (Hike 2)) board.Aug 26 2020, 2:00 PM

Addshore moved this task from Peer Review to Done on the Wikibase - Federated Properties (Sprint 5/6 (Hike 2)) board.Aug 27 2020, 8:47 AM

Change 621280 merged by jenkins-bot:
[mediawiki/extensions/Wikibase@master] FP: Prefetch properties for items

https://gerrit.wikimedia.org/r/621280

ReleaseTaggerBot added a project: MW-1.36-notes (1.36.0-wmf.8; 2020-09-08).Aug 28 2020, 9:00 AM

Maintenance_bot removed a project: Patch-For-Review.Aug 28 2020, 9:10 AM