Last modified: 2010-05-15 15:48:30 UTC

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Bug 9444 - Enabling math with postgres, leads to error
Enabling math with postgres, leads to error
Status: RESOLVED FIXED
Product: MediaWiki
Classification: Unclassified
Parser (Other open bugs)
1.9.x
PC Linux
: Normal normal (vote)
: ---
Assigned To: Nobody - You can work on this!
:
: 9445 (view as bug list)
Depends on:
Blocks: postgres
  Show dependency treegraph
 
Reported: 2007-03-29 08:11 UTC by Papadakos Panagiotis
Modified: 2010-05-15 15:48 UTC (History)
0 users

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


Attachments
Workaround for bug 9444 that disables caching of tex images to DB (9.00 KB, text/plain)
2007-04-01 05:35 UTC, Jason Potkanski
Details
Diff for Math.php, adds UTF8 encoding (955 bytes, patch)
2007-04-01 06:24 UTC, Jason Potkanski
Details

Description Papadakos Panagiotis 2007-03-29 08:11:13 UTC
A database error has occurred Query: SELECT
math_outputhash,math_html_conservativeness,math_html,math_mathml FROM math WHERE
math_inputhash = '��׾���@˵' LIMIT 1 Function: MathRenderer::_recall Error: 1
ERROR: invalid byte sequence for encoding "UTF8": 0xebc3d7 HINT: This error can
also happen if the byte sequence does not match the encoding expected by the
server, which is controlled by "client_encoding".

Backtrace:

#0 /var/www/apache2-default/includes/Database.php(665):
DatabasePostgres->reportQueryError('ERROR: invalid...', 1, 'SELECT math_ou...',
'MathRenderer::_...', false)
#1 /var/www/apache2-default/includes/Database.php(1057): Database->query('SELECT
math_ou...', 'MathRenderer::_...')
#2 /var/www/apache2-default/includes/Database.php(1076):
Database->select('math', Array, Array, 'MathRenderer::_...', Array)
#3 /var/www/apache2-default/includes/Math.php(193): Database->selectRow('math',
Array, Array, 'MathRenderer::_...')
#4 /var/www/apache2-default/includes/Math.php(46): MathRenderer->_recall()
#5 /var/www/apache2-default/includes/Math.php(271): MathRenderer->render()
#6 /var/www/apache2-default/includes/Parser.php(589):
MathRenderer::renderMath('a^2')
#7 /var/www/apache2-default/includes/Parser.php(299): Parser->strip('== Status
==?<b...', Object(StripState))
#8 /var/www/apache2-default/includes/EditPage.php(1452): Parser->parse('==
Status ==?<b...', Object(Title), Object(ParserOptions))
#9 /var/www/apache2-default/includes/EditPage.php(992): EditPage->getPreviewText()
#10 /var/www/apache2-default/includes/EditPage.php(429): EditPage->showEditForm()
#11 /var/www/apache2-default/includes/EditPage.php(267): EditPage->edit()
#12 /var/www/apache2-default/includes/Wiki.php(417): EditPage->submit()
#13 /var/www/apache2-default/includes/Wiki.php(50):
MediaWiki->performAction(Object(OutputPage), Object(Article), Object(Title),
Object(User), Object(WebRequest))
#14 /var/www/apache2-default/index.php(48): MediaWiki->initialize(Object(Title),
Object(OutputPage), Object(User), Object(WebRequest))
#15 {main}
Comment 1 Raimond Spekking 2007-03-29 08:28:13 UTC
*** Bug 9445 has been marked as a duplicate of this bug. ***
Comment 2 Papadakos Panagiotis 2007-03-29 08:51:06 UTC
Sorry for the duplicate.
Comment 3 Jason Potkanski 2007-04-01 05:30:16 UTC
Seeing the same issue at Citizendium. Attaching workaround...It's ugly.
Comment 4 Jason Potkanski 2007-04-01 05:35:34 UTC
Created attachment 3406 [details]
Workaround for bug 9444 that disables caching of tex images to DB

Performance wise, this workaround is ugly. Images will be rendered every time a
user hits the page.
Comment 5 Jason Potkanski 2007-04-01 06:24:18 UTC
Created attachment 3407 [details]
Diff for Math.php, adds UTF8 encoding

This patch works on postgresql, adds utf8_encode to hash database writes. Reads
seem to be unaffected. 

Have not/unable to test code for other database backends.
Comment 6 Papadakos Panagiotis 2007-04-01 10:04:52 UTC
Yep, it works also here!
Comment 7 Rob Church 2007-04-01 16:02:51 UTC
This should be fixed in 1.10.

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