initEditCount.php

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<?php
// @codeCoverageIgnoreStart
require_once __DIR__ . '/Maintenance.php';
// @codeCoverageIgnoreEnd
 
use MediaWiki\Maintenance\Maintenance;
use MediaWiki\WikiMap\WikiMap;
use Wikimedia\Rdbms\IDatabase;
use Wikimedia\Rdbms\RawSQLValue;
 
class InitEditCount extends Maintenance {
    public function __construct() {
        parent::__construct();
        $this->addOption( 'quick', 'Force the update to be done in a single query' );
        $this->addOption( 'background', 'Force replication-friendly mode; may be inefficient but avoids'
        . 'locking tables or lagging replica DBs with large updates; calculates counts on a replica DB'
        . 'if possible. Background mode will be automatically used if multiple servers are listed in the'
        . 'load balancer, usually indicating a replication environment.' );
        $this->addDescription( 'Batch-recalculate user_editcount fields from the revision table' );
    }
 
    public function execute() {
        $dbw = $this->getPrimaryDB();
 
        // Autodetect mode...
        if ( $this->hasOption( 'background' ) ) {
            $backgroundMode = true;
        } elseif ( $this->hasOption( 'quick' ) ) {
            $backgroundMode = false;
        } else {
            $lb = $this->getServiceContainer()->getDBLoadBalancer();
            $backgroundMode = $lb->hasReplicaServers();
        }
 
        if ( $backgroundMode ) {
            $this->output( "Using replication-friendly background mode...\n" );
 
            $dbr = $this->getReplicaDB();
            $chunkSize = 100;
            $lastUser = $dbr->newSelectQueryBuilder()
                ->select( 'MAX(user_id)' )
                ->from( 'user' )
                ->caller( __METHOD__ )->fetchField();
 
            $start = microtime( true );
            $migrated = 0;
            for ( $min = 0; $min <= $lastUser; $min += $chunkSize ) {
                $max = $min + $chunkSize;
 
                $result = $dbr->newSelectQueryBuilder()
                    ->select( [ 'user_id', 'user_editcount' => "COUNT(actor_rev_user.actor_user)" ] )
                    ->from( 'user' )
                    ->join( 'actor', 'actor_rev_user', 'user_id = actor_rev_user.actor_user' )
                    ->leftJoin( 'revision', 'rev', 'actor_rev_user.actor_id = rev.rev_actor' )
                    ->where( $dbr->expr( 'user_id', '>', $min )->and( 'user_id', '<=', $max ) )
                    ->groupBy( 'user_id' )
                    ->caller( __METHOD__ )->fetchResultSet();
 
                foreach ( $result as $row ) {
                    $dbw->newUpdateQueryBuilder()
                        ->update( 'user' )
                        ->set( [ 'user_editcount' => $row->user_editcount ] )
                        ->where( [ 'user_id' => $row->user_id ] )
                        ->caller( __METHOD__ )->execute();
                    ++$migrated;
                }
 
                $delta = microtime( true ) - $start;
                $rate = ( $delta == 0.0 ) ? 0.0 : $migrated / $delta;
                $this->output( sprintf( "%s %d (%0.1f%%) done in %0.1f secs (%0.3f accounts/sec).\n",
                    WikiMap::getCurrentWikiDbDomain()->getId(),
                    $migrated,
                    min( $max, $lastUser ) / $lastUser * 100.0,
                    $delta,
                    $rate ) );
 
                $this->waitForReplication();
            }
        } else {
            $this->output( "Using single-query mode...\n" );
 
            $subquery = $dbw->newSelectQueryBuilder()
                ->select( 'COUNT(*)' )
                ->from( 'revision' )
                ->join( 'actor', 'actor_rev_user', 'actor_rev_user.actor_id = rev_actor' )
                ->where( 'user_id = actor_rev_user.actor_user' )
                ->caller( __METHOD__ )->getSQL();
 
            $dbw->newUpdateQueryBuilder()
                ->table( 'user' )
                ->set( [ 'user_editcount' => new RawSQLValue( "($subquery)" ) ] )
                ->where( IDatabase::ALL_ROWS )
                ->caller( __METHOD__ )
                ->execute();
        }
 
        $this->output( "Done!\n" );
    }
}
 
// @codeCoverageIgnoreStart
$maintClass = InitEditCount::class;
require_once RUN_MAINTENANCE_IF_MAIN;
// @codeCoverageIgnoreEnd