https://bugzilla.wikimedia.org/show_bug.cgi?id=65765
Bug ID: 65765
Summary: update.php displays errors when updating ar_len field
Product: MediaWiki
Version: 1.23-git
Hardware: All
OS: All
Status: NEW
Severity: normal
Priority: Unprioritized
Component: Maintenance scripts
Assignee: wikibugs-l@lists.wikimedia.org
Reporter: mueller062001-...@yahoo.de
Web browser: ---
Mobile Platform: ---
When I run update.php while updating from 1.22 to 1.23, amongst other things
the script maintenance/populateArchiveLength.php is executed to populate the
ar_len column.
However, this script does not always work correctly so that the following error
occurs (code from populateArchiveLength.php):
# Go through and update ar_len from these rows.
foreach ( $res as $row ) {
$rev = Revision::newFromArchiveRow( $row );
$content = $rev->getContent();
if ( !$content ) {
# This should not happen, but sometimes does (bug 20757)
$this->output( "Content of archive {$row->ar_id} unavailable!\n" );
In my case this is _not_ caused by bug 20757. Instead, this is caused by the
fact that for old archived revisions, the rows in the archive table do _not_
contain a pointer to the text in the text table, but that the text is stored in
the archive table directly. Obviously the above code cannot handle this
situation properly.
The line
$rev = Revision::newFromArchiveRow( $row );
does not work correctly in this case. It is unable to return information from
inside an archive row.
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