select locale
from ad_locale_user_prefs
where user_id = :user_id
select count(*)
from ad_locale_user_prefs
where user_id = :user_id
update ad_locale_user_prefs set locale = :locale where user_id = :user_id
insert into ad_locale_user_prefs (user_id, locale) values (:user_id, :locale)