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incorrect interwiki link zh-classic because of wrong database data
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Description

Some pages containing an interwikis to zh-classical show this interwiki link as zh-classic prefix (without -al). I think this i because the database field was shorter in the past.

For http://zh.wikipedia.org/wiki/Template:Link_FA the api returns:
lang="zh-classic"
url="http://zh.wikipedia.org/wiki/Zh-classic:Template:Link_FA"

using query http://zh.wikipedia.org/w/api.php?action=query&prop=info|langlinks&titles=Template:Link%20FA&lllimit=max&llurl

But http://zh.wikipedia.org/wiki/Zh-classic:Template:Link_FA is not correct because it is a valid title in article namespace on zhwiki.
For interwiki bots it shows an languagelink to the same site which must not be possible because self links are not permitted per definition (that why [[zh:abc]] on zhwiki is parsed as interwiki and not an languagelink)

There is no prefix zh-classic on interwikimap http://zh.wikipedia.org/w/api.php?action=query&meta=siteinfo&siprop=interwikimap

So please update languagelink table so that api can return valid values.


Version: unspecified
Severity: major

Details

Reference
bz28805

Event Timeline

bzimport raised the priority of this task from to Needs Triage.Nov 21 2014, 11:33 PM
bzimport set Reference to bz28805.
Merl created this task.May 4 2011, 12:18 AM

sounds like incorrect database situtation

need a update on the cluster:

update langlinks set ll_lang = 'zh-classical'
where ll_lang = 'zh-classic'

Given we have roughly 900 databases, we might want to script this up <:o)

Live databases have been updated! For the record, the command used was:

foreachwiki runBatchedQuery.php "update langlinks set ll_lang='zh-classical' where ll_lang='zh-classic' LIMIT 100"

I had to fix up a duplicate entry in the ptwiki database :
ll_from: 162503
ll_lang: zh-classic
ll_title: Template:Link A

I have just deleted this incorrect row.