streams/Code/Update/_1205.php

<?php

namespace Code\Update;

class _1205
{

    public function run()
    {

        if (ACTIVE_DBTYPE == DBTYPE_MYSQL) {
            q("ALTER TABLE item DROP INDEX title");
            q("ALTER TABLE item DROP INDEX body");
            q("ALTER TABLE item DROP INDEX allow_cid");
            q("ALTER TABLE item DROP INDEX allow_gid");
            q("ALTER TABLE item DROP INDEX deny_cid");
            q("ALTER TABLE item DROP INDEX deny_gid");
            q("ALTER TABLE item DROP INDEX item_flags");
            q("ALTER TABLE item DROP INDEX item_restrict");
            q("ALTER TABLE item DROP INDEX aid");

            $r = q("ALTER TABLE item 
				DROP INDEX item_private,
				ADD INDEX uid_item_private (uid, item_private),
				ADD INDEX item_wall (item_wall),
				ADD INDEX item_pending_remove_changed (item_pending_remove, changed)
			");

            if ($r) {
                return UPDATE_SUCCESS;
            }
            return UPDATE_FAILED;
        } else {
            return UPDATE_SUCCESS;
        }
    }
}