$this->commitTransaction( $db, __METHOD__ );
$q = $db->limitResult( "DELETE /* deleteSelfExternals */ FROM externallinks WHERE el_to"
. $db->buildLike( $wgServer . '/', $db->anyString() ), $this->getBatchSize() );
$this->commitTransaction( $db, __METHOD__ );
$q = $db->limitResult( "DELETE /* deleteSelfExternals */ FROM externallinks WHERE el_to"
. $db->buildLike( $wgServer . '/', $db->anyString() ), $this->getBatchSize() );