<?php

namespace Zotlabs\Update;

class _1136
{
    public function run()
    {
        $r1 = q("alter table item add item_unseen smallint not null default '0' ");
        $r2 = q("create index item_unseen on item ( item_unseen ) ");
        $r3 = q("update item set item_unseen = 1 where ( item_flags & 2 ) > 0 ");

        if ($r1 && $r2 && $r3) {
            return UPDATE_SUCCESS;
        }
        return UPDATE_FAILED;
    }
}