[Mediawiki-l] Upgraded from 1.9.3 to 1.13.0- got error: Illegalmix of collations

[Eric K]

[sorry for the duplicate message, forgot to CC to the list]
 
That might be it but, the directions dont ask me to run those scripts separately, as far as I can see?
http://www.mediawiki.org/wiki/Manual:Upgrading_MediaWiki
 
I followed the Alternative 2, which just asked me to re-run the installer. In that, it says:
- "When the installation process starts, the script will detect existing MediaWiki tables, and upgrade their schema." 
 
 

--- On Tue, 8/26/08, Eric K <ek79501 at yahoo.com> wrote:

From: Eric K <ek79501 at yahoo.com>
Subject: RE: [Mediawiki-l] Upgraded from 1.9.3 to 1.13.0- got error: Illegalmix of collations
To: "Sullivan, James (NIH/CIT) [C]" <sullivan at mail.nih.gov>
Date: Tuesday, August 26, 2008, 7:19 AM







That might be it but, the directions dont ask me to run those scripts separately, as far as I can see?
http://www.mediawiki.org/wiki/Manual:Upgrading_MediaWiki
 
I followed the Alternative 2, which just asked me to re-run the installer. In that, it says:
- "When the installation process starts, the script will detect existing MediaWiki tables, and upgrade their schema." 
 
hmmm.


--- On Tue, 8/26/08, Sullivan, James (NIH/CIT) [C] <sullivan at mail.nih.gov> wrote:

From: Sullivan, James (NIH/CIT) [C] <sullivan at mail.nih.gov>
Subject: RE: [Mediawiki-l] Upgraded from 1.9.3 to 1.13.0- got error: Illegalmix of collations
To: ek79501 at yahoo.com, "MediaWiki announcements and site admin list" <mediawiki-l at lists.wikimedia.org>
Date: Tuesday, August 26, 2008, 6:44 AM

After upgrading the Mediawiki code did you run:
maintenance/update.php
and 
maintenance/refreshLinks.php
?

-Jim 


-----Original Message-----
From: Eric K [mailto:ek79501 at yahoo.com] 
Sent: Monday, August 25, 2008 9:27 PM
To: mediawiki-l at lists.wikimedia.org
Subject: Re: [Mediawiki-l] Upgraded from 1.9.3 to 1.13.0- got error: Illegalmix
of collations

Here's what I found. When Mediawiki upgrades, it doesnt seem to care to
update the table schemes properly. Here's a sample of what I found:
 
Old table row specs, for mw_image (this is after the upgrade has been applied
from 1.9.3 to 1.13.0):
img_size int(8)
img_width int(5)
img_height int(5)
 
New table row specs for the same table, mw_image (for a brand new 1.13.0
installation):
img_size int(10)
img_width int(11)
img_height int(11)
 
The field sizes are different as you can see. New tables have bigger fields but
the old ones still contain short fields after the upgrade is applied.This is
just an example. The bug that I was getting (illegal mix of collations), was
fixed due to the Collation fields being different in the cases for an upgraded
MW and a new MW. I also noticed differences in all the other fields as well
(Default, Type, Binary, Attributes) for tables rows. Sometimes the differences
were significant. Here are some real examples:
- length of data field doubled for example, int(5) to int (10)
- the Type changed in an upgraded version from "varbinary(255)" to
"blob", in a new installation
 
Usually, Collate was empty for a brand new 1.13.0, while it was latin_bin or
latin1_swedish_ci for an upgraded version.
 
There must be important reasons why changes were made to the rows as versions
progressed.
 
So i guess this is something that should be fixed for upgrading? That means,
when an upgrade is being applied, it should update all the row data for each
table as well.
 
Erik
 


--- On Sat, 8/23/08, Eric K <ek79501 at yahoo.com> wrote:

From: Eric K <ek79501 at yahoo.com>
Subject: [Mediawiki-l] Upgraded from 1.9.3 to 1.13.0- got error: Illegal mix of
collations
To: mediawiki-l at lists.wikimedia.org
Date: Saturday, August 23, 2008, 11:30 AM

Everything works on my wiki, except when I view the logs for a page, I get this
error:

A database query syntax error has occurred. This may indicate a bug in the
software. The last attempted database query was: 
(SQL query hidden)
from within function "LinkCache::addLinkObj". MySQL returned error
"1267: Illegal mix of collations (latin1_bin,IMPLICIT) and
(utf8_general_ci,COERCIBLE) for operation '=' (localhost)".
Any ideas on how to fix this? I can go into myPhPAdmin and manipulate tables if
needed.
 
thanks
Eric


      
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