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<?php
/**
* Convert user options to the new `user_properties` 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';
/**
* Maintenance script to convert user options to the new `user_properties` table.
*
* @ingroup Maintenance
*/
class ConvertUserOptions extends Maintenance {
private $mConversionCount = 0;
public function __construct() {
parent::__construct();
$this->mDescription = "Convert user options from old to new system";
$this->setBatchSize( 50 );
}
public function execute() {
$this->output( "...batch conversion of user_options: " );
$id = 0;
$dbw = wfGetDB( DB_MASTER );
if ( !$dbw->fieldExists( 'user', 'user_options', __METHOD__ ) ) {
$this->output( "nothing to migrate. " );
return;
}
while ( $id !== null ) {
$res = $dbw->select( 'user',
array( 'user_id', 'user_options' ),
array(
'user_id > ' . $dbw->addQuotes( $id ),
"user_options != " . $dbw->addQuotes( '' ),
),
__METHOD__,
array(
'ORDER BY' => 'user_id',
'LIMIT' => $this->mBatchSize,
)
);
$id = $this->convertOptionBatch( $res, $dbw );
wfWaitForSlaves();
if ( $id ) {
$this->output( "--Converted to ID $id\n" );
}
}
$this->output( "done. Converted " . $this->mConversionCount . " user records.\n" );
}
/**
* @param ResultWrapper $res
* @param DatabaseBase $dbw
* @return null|int
*/
function convertOptionBatch( $res, $dbw ) {
$id = null;
foreach ( $res as $row ) {
$this->mConversionCount++;
$insertRows = array();
foreach ( explode( "\n", $row->user_options ) as $s ) {
$m = array();
if ( !preg_match( "/^(.[^=]*)=(.*)$/", $s, $m ) ) {
continue;
}
// MW < 1.16 would save even default values. Filter them out
// here (as in User) to avoid adding many unnecessary rows.
$defaultOption = User::getDefaultOption( $m[1] );
if ( is_null( $defaultOption ) || $m[2] != $defaultOption ) {
$insertRows[] = array(
'up_user' => $row->user_id,
'up_property' => $m[1],
'up_value' => $m[2],
);
}
}
if ( count( $insertRows ) ) {
$dbw->insert( 'user_properties', $insertRows, __METHOD__, array( 'IGNORE' ) );
}
$dbw->update(
'user',
array( 'user_options' => '' ),
array( 'user_id' => $row->user_id ),
__METHOD__
);
$id = $row->user_id;
}
return $id;
}
}
$maintClass = "ConvertUserOptions";
require_once RUN_MAINTENANCE_IF_MAIN;
|
