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<?php
/**
* Populate the pp_sortkey fields in the page_props table
*
* 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';
/**
* Usage:
* populatePPSortKey.php
*/
class PopulatePPSortKey extends LoggedUpdateMaintenance {
public function __construct() {
parent::__construct();
$this->addDescription( 'Populate the pp_sortkey field' );
$this->setBatchSize( 100 );
}
protected function doDBUpdates() {
$dbw = $this->getDB( DB_MASTER );
$lastProp = null;
$lastPageValue = 0;
$editedRowCount = 0;
$this->output( "Populating page_props.pp_sortkey...\n" );
while ( true ) {
$conditions = [ 'pp_sortkey IS NULL' ];
if ( $lastPageValue !== 0 ) {
$conditions[] = 'pp_page > ' . $dbw->addQuotes( $lastPageValue ) . ' OR ' .
'( pp_page = ' . $dbw->addQuotes( $lastPageValue ) .
' AND pp_propname > ' . $dbw->addQuotes( $lastProp ) . ' )';
}
$res = $dbw->select(
'page_props',
[ 'pp_propname', 'pp_page', 'pp_sortkey', 'pp_value' ],
$conditions,
__METHOD__,
[
'ORDER BY' => 'pp_page, pp_propname',
'LIMIT' => $this->getBatchSize()
]
);
if ( $res->numRows() === 0 ) {
break;
}
$this->beginTransaction( $dbw, __METHOD__ );
foreach ( $res as $row ) {
if ( !is_numeric( $row->pp_value ) ) {
continue;
}
$dbw->update(
'page_props',
[ 'pp_sortkey' => $row->pp_value ],
[
'pp_page' => $row->pp_page,
'pp_propname' => $row->pp_propname
],
__METHOD__
);
$editedRowCount++;
}
$this->output( "Updated " . $editedRowCount . " rows\n" );
$this->commitTransaction( $dbw, __METHOD__ );
// We need to get the last element's page ID
$lastPageValue = $row->pp_page;
// And the propname...
$lastProp = $row->pp_propname;
}
$this->output( "Populating page_props.pp_sortkey complete.\n" );
}
protected function getUpdateKey() {
return 'populate pp_sortkey';
}
}
$maintClass = PopulatePPSortKey::class;
require_once RUN_MAINTENANCE_IF_MAIN;
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