streams/Zotlabs/Update/_1193.php

<?php

namespace Zotlabs\Update;

class _1193
{
    public function run()
    {

        if (ACTIVE_DBTYPE == DBTYPE_POSTGRES) {
            $r1 = q("CREATE INDEX item_uid_unseen ON item (uid, item_unseen)");
        } else {
            $r1 = q("ALTER TABLE item ADD INDEX uid_item_unseen (uid, item_unseen)");
        }

        if ($r1) {
            return UPDATE_SUCCESS;
        }
        return UPDATE_FAILED;
    }
}