Subselects in Torque 3.3rc2

Hello list,
I am looking for a possibility to make a subselect like:
------------
 select name from resource where id in
 (select id from resource_postalcode_rel where postalcode_id in
  (select id from postalcode where postalcode.city_name like '%76%'
    or postalcode like '%76%'))
------------
by criteria/criterion.
I have found this
http://www.mail-archive.com/turbine-user%40jakarta.apache.org/msg03764.html

I hope there is an other option than using the custom modifier.

Can anybody tell me?

I also found "doSelectJoin<tablename>" but this is only half of what I
need. Maybe it is an idea to reimplement a
doSelectJoin<firstTablename_secondTablename>-Method.

Is this an option and a good idea?

Now I managed this with two criteria.addJoin();

Is there a better way?

Thanks in advance.
Kind regards,
Markus


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