Current File : //data/www_bck/varak.net_bck/havranipapuce.varak.net/maintenance/populateBacklinkNamespace.php
<?php
/**
* Optional upgrade script to populate *_from_namespace fields
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
* http://www.gnu.org/copyleft/gpl.html
*
* @file
* @ingroup Maintenance
*/
require_once __DIR__ . '/Maintenance.php';
/**
* Maintenance script to populate *_from_namespace fields
*
* @ingroup Maintenance
*/
class PopulateBacklinkNamespace extends LoggedUpdateMaintenance {
public function __construct() {
parent::__construct();
$this->mDescription = "Populate the *_from_namespace fields";
$this->addOption( 'lastUpdatedId', "Highest page_id with updated links", false, true );
}
protected function getUpdateKey() {
return 'populate *_from_namespace';
}
protected function updateSkippedMessage() {
return '*_from_namespace column of backlink tables already populated.';
}
public function doDBUpdates() {
$force = $this->getOption( 'force' );
$db = $this->getDB( DB_MASTER );
$this->output( "Updating *_from_namespace fields in links tables.\n" );
$start = $this->getOption( 'lastUpdatedId' );
if ( !$start ) {
$start = $db->selectField( 'page', 'MIN(page_id)', false, __METHOD__ );
}
if ( !$start ) {
$this->output( "Nothing to do." );
return false;
}
$end = $db->selectField( 'page', 'MAX(page_id)', false, __METHOD__ );
# Do remaining chunk
$end += $this->mBatchSize - 1;
$blockStart = $start;
$blockEnd = $start + $this->mBatchSize - 1;
while ( $blockEnd <= $end ) {
$this->output( "...doing page_id from $blockStart to $blockEnd\n" );
$cond = "page_id BETWEEN $blockStart AND $blockEnd";
$res = $db->select( 'page', array( 'page_id', 'page_namespace' ), $cond, __METHOD__ );
foreach ( $res as $row ) {
$db->update( 'pagelinks',
array( 'pl_from_namespace' => $row->page_namespace ),
array( 'pl_from' => $row->page_id ),
__METHOD__
);
$db->update( 'templatelinks',
array( 'tl_from_namespace' => $row->page_namespace ),
array( 'tl_from' => $row->page_id ),
__METHOD__
);
$db->update( 'imagelinks',
array( 'il_from_namespace' => $row->page_namespace ),
array( 'il_from' => $row->page_id ),
__METHOD__
);
}
$blockStart += $this->mBatchSize - 1;
$blockEnd += $this->mBatchSize - 1;
wfWaitForSlaves();
}
return true;
}
}
$maintClass = "PopulateBacklinkNamespace";
require_once RUN_MAINTENANCE_IF_MAIN;
Mini Shell