https://bugzilla.wikimedia.org/show_bug.cgi?id=46930
Web browser: ---
Bug ID: 46930
Summary: changeTitle() creates redirects even in case of
redirid == 0
Product: MediaWiki extensions
Version: unspecified
Hardware: All
OS: All
Status: NEW
Severity: normal
Priority: Unprioritized
Component: Semantic MediaWiki
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected], [email protected],
[email protected], [email protected]
Classification: Unclassified
Mobile Platform: ---
Title:moveTo() explicitly sets createRedirect to false (redirid == 0)
SMWSQLStore3Writers::changeTitle() never checks the redirid therefore
smw_fpt_redi contains gost redirects for pages with (Special:MovePage - > Leave
a redirect behind unchecked)
There are two approaches to change this behaviour:
1) Execute updateRedirects() only when $redirid != 0 which will means that all
possible existing associations with a moved page are also gone or
2) Execute updateRedirects() in all cases (copying associations with the moved
page) but in case of $redirid == 0 execute doDataUpdate( $oldtitle ) in order
for the oldTitle (which got deleted) to delete the container for the oldTitle
object as well.
## Note
The hook ArticleDelete is not called for a moved oldTitle therefore
deleteSubject() is also not called which means the container for oldTitle still
has a references to the newTitle (see smw_fpt_redi).
## Example
See [1], [2] where [1] is delete but shows semantic data from [2]. When looking
at "Has query" property reveals that Demo:Foo has suddenly elements of
Demo:Foo2.
[1] http://www.semantic-mediawiki.org/wiki/Special:Browse/Demo:Foo
[2] http://www.semantic-mediawiki.org/wiki/Special:Browse/Demo:Foo2
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