[Wikidata-bugs] [Maniphest] [Created] T157442: Investigate why (and fix) Api\SetClaim drops the repostiory name prefix from foreign entity used in the statement

[WMDE-leszek]

WMDE-leszek created this task. WMDE-leszek added projects: MediaWiki-extensions-WikibaseRepository, Wikidata-Sprint, Wikidata.

TASK DESCRIPTION

Noticed while testing federation code. Test setup was: Repo 1 ("main") provides properties, Repo 2 preovides items.
When using properties from "main" on repo 2, statement data for the item is missing the repository prefix, see excerpt from the "claims" part of item data:

{"P2":[{"mainsnak":{"snaktype":"value","property":"P2","datavalue":{"value":{"entity-type":"item","numeric-id":2,"id":"Q2"}

It seems wbsetclaim call contains repo prefix (correct).

First suspect is that while StatementModificationHelper::getEntityIdFromString is parsing the serialized ID, the parser for some reason drops the prefix (maybe maps it to an empty prefix).

This behaviour must be investigated. If fixing the problem turns out to be complex, please file a separate ticket outlining the solution.

TASK DETAIL

https://phabricator.wikimedia.org/T157442

EMAIL PREFERENCES

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To: WMDE-leszek
Cc: daniel, Aklapper, Lydia_Pintscher, WMDE-leszek, D3r1ck01, Izno, Wikidata-bugs, aude, Mbch331

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