+ $maxlag = intval( $maxlag );
+ $throttle = intval( $throttle );
+ if ( $begin !== '' ) {
+ $where = 'cl_to > ' . $dbw->addQuotes( $begin );
+ } else {
+ $where = null;
+ }
+ $i = 0;
+
+ while ( true ) {
+ # Find which category to update
+ $row = $dbw->selectRow(
+ 'categorylinks',
+ 'cl_to',
+ $where,
+ __METHOD__,
+ array(
+ 'ORDER BY' => 'cl_to'
+ )
+ );
+ if ( !$row ) {
+ # Done, hopefully.
+ break;
+ }
+ $name = $row->cl_to;
+ $where = 'cl_to > ' . $dbw->addQuotes( $name );
+
+ # Use the row to update the category count
+ $cat = Category::newFromName( $name );
+ if ( !is_object( $cat ) ) {
+ $this->output( "The category named $name is not valid?!\n" );
+ } else {
+ $cat->refreshCounts();
+ }
+
+ ++$i;
+ if ( !( $i % self::REPORTING_INTERVAL ) ) {
+ $this->output( "$name\n" );
+ wfWaitForSlaves( $maxlag );
+ }
+ usleep( $throttle * 1000 );
+ }
+
+ if ( $dbw->insert(
+ 'updatelog',
+ array( 'ul_key' => 'populate category' ),
+ __METHOD__,
+ 'IGNORE'
+ )
+ ) {
+ $this->output( "Category population complete.\n" );
+ return true;
+ } else {
+ $this->output( "Could not insert category population row.\n" );
+ return false;
+ }
+ }
+}