Last modified: 2005-11-10 07:49:14 UTC

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Bug 3562 - Articles with "-" are only shown in go-search if they are typed in the correct case
Articles with "-" are only shown in go-search if they are typed in the correc...
Status: RESOLVED FIXED
Product: MediaWiki
Classification: Unclassified
Search (Other open bugs)
unspecified
All All
: Low minor (vote)
: ---
Assigned To: Brion Vibber
http://de.wikipedia.org/wiki/Spezial:...
:
Depends on:
Blocks:
  Show dependency treegraph
 
Reported: 2005-09-28 11:58 UTC by Reiner Müller
Modified: 2005-11-10 07:49 UTC (History)
2 users (show)

See Also:
Web browser: ---
Mobile Platform: ---
Assignee Huggle Beta Tester: ---


Attachments

Description Reiner Müller 2005-09-28 11:58:05 UTC
On August 10th, 2005 I have created the article http://de.wikipedia.org/wiki/Nieder-Kainsbach.
Searching for that article in the right notation "Nieder-Kainsbach" (lower/uppercase letters), the 
article is found I am forwarded to him. So far so good.
However, searching for the term "nieder-kainsbach" (lower case letters, 
http://de.wikipedia.org/wiki/Spezial:Search?search=nieder-kainsbach&fulltext=Suche), the search 
results are strange. The page shows 3 results, the first and the second entry could be correct, the 
third entry, which is presumably the link to the newly created article, has no title and the 
relevancy is 0.
As I learned from other users in the meantime, these have the same problems with newly created 
articles.
My assumption is that new articles are not indexed or indexed only partly.
Comment 1 aholle 2005-09-28 16:31:57 UTC
I've experienced a similar problem with a 1.5RC4 installation. Our tests 
indicated that the search function takes the hyphen "-" as a boolean expression. 
It seems to search for the first expression minus the one after the hyphen "-". 
Searching the MySQL database directly finds everything as expected. 

If that's the case the search function should only take a hyphen (or plus or... 
whatever) as a boolean expression if their is a blank space before it. If a 
hyphen is used in a word like the example above it should take it as a word.
Comment 2 Brion Vibber 2005-11-05 06:39:30 UTC
Comment 1 seems to be incorrect. I do receive a match on the page "Silly-Stuff" eg at:
http://test.leuksman.com/view/Special:Search?search=silly-stuff&fulltext=Search

while with a blank space to make the minus mean discarding the term, I don't receive 
the result:
http://test.leuksman.com/view/Special:Search?search=silly+-stuff&fulltext=Search

Back to the original comment: indeed, capitals after hyphens are not tried in go 
search currently. Wikipedia does not use MediaWiki's default search implementation due 
to performance limitations, it's using a separate index which is only periodically 
refreshed, so will generally not include recently created articles at this time.
Comment 3 Reiner Müller 2005-11-10 07:14:37 UTC
For the german-speaking community this bug is of severity critical and priority high, because lot of words in 
the german language are composed of term hyphen term.
Comment 4 Brion Vibber 2005-11-10 07:32:58 UTC
"Critical" and "high priority" would be appropriate for something like data corruption, 
security risks, spewing garbage instead of text during page rendering, etc.

It's not appropriate for 'it's slightly less convenient to find something in search'. 
Please don't fiddle with the priority tags; they're here for us to prioritize our work.

However I am working on this, as some common cases should be easy to support.
Comment 5 Brion Vibber 2005-11-10 07:49:14 UTC
Various mixed-case complicated cases will continue to not work for now, of course, but 
Basic-Stuff Like-This should work now, such as the example. Resolving FIXED.

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