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<?php
/**
* A script to remove orphaned actors whose users are no longer
* present in the user table. See T225999
*
* @author Abijeet Patro
* @license GPL-2.0-or-later
* @file
*/
// Standard boilerplate to define $IP
if ( getenv( 'MW_INSTALL_PATH' ) !== false ) {
$IP = getenv( 'MW_INSTALL_PATH' );
} else {
$dir = __DIR__;
$IP = "$dir/../../..";
}
require_once "$IP/maintenance/Maintenance.php";
class RemoveOrphanedActors extends Maintenance {
public function __construct() {
parent::__construct();
$this->addDescription( 'A script to remove orphaned actor records.' );
$this->addOption(
'really',
'(optional) Really delete, no dry-run',
false,
false
);
}
public function execute() {
$dbw = wfGetDB( DB_MASTER );
$orphanedActors = $dbw->select(
[ 'actor', 'user' ],
[ 'actor_id', 'actor_name', 'actor_user' ],
[ 'user_id IS NULL', 'actor_user IS NOT NULL' ],
__METHOD__,
[],
[ 'user' => [ 'LEFT JOIN', [ 'actor_user = user_id' ] ] ]
);
$this->output( 'found ' . $orphanedActors->numRows() . " orphaned actors...\n" );
if ( $orphanedActors->numRows() === 0 ) {
$this->output( "nothing to delete ... exit!\n" );
return;
}
$orphanedActorIds = [];
$this->output( "----\n" );
foreach ( $orphanedActors as $actor ) {
$this->output(
"Actor: '$actor->actor_name'; " .
"Actor Id: $actor->actor_id; " .
"Actor User: $actor->actor_user;\n"
);
$orphanedActorIds[] = $actor->actor_id;
}
$this->output( "----\n" );
if ( !$this->hasOption( 'really' ) ) {
$this->output( "dry run...exiting!\n" );
return;
}
// Delete orphaned actors
$dbw->delete( 'actor', [ 'actor_id' => $orphanedActorIds ], __METHOD__ );
$this->output( "deleted orphaned actors\n" );
// Update the site stats
$users = $dbw->selectField( 'user', 'COUNT(*)', [], __METHOD__ );
$dbw->update(
'site_stats',
[ 'ss_users' => $users ],
[ 'ss_row_id' => 1 ],
__METHOD__
);
$this->output( "updated the site stats for users\n" );
}
}
$maintClass = RemoveOrphanedActors::class;
require_once RUN_MAINTENANCE_IF_MAIN;
|
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