View source for mediawiki stops working after an update


== Problem ==
mediawiki stops working after an update (on gentoo)


== Errors ==
Browser errors when trying to load the Mediawiki Main page of a wiki
 Database error
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 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 "Revision::fetchFromConds". Database returned error "1054: Unknown column 'rev_sha1' in 'field list' (localhost)".


== Solution ==

change to the maintenance sub-directory (it is inide the mediawiki root directory) and execute the update script:

 $ php update.php
 MediaWiki 1.20.6 Updater
 <BR>
 Going to run database updates for mediawiki
 Depending on the size of your database this may take a while!
 Abort with control-c in the next five seconds (skip this countdown with --quick) ... 0
 ...have ipb_id field in ipblocks table.
 ...have ipb_expiry field in ipblocks table.
 ...already have interwiki table
 ...'''OUTPUT TRUNCATED'''
 Populating img_sha1 field
 Done 0 files in 0.0 seconds
 Fixing protocol-relative entries in the externallinks table...
 Done, 0 rows updated.
 <BR>Done.

When completed, I could again load my wiki main page.


[[category:mediawiki]]