If a case statement is used in the where clause of the select of the DDDW datawindow, an error occurs.

ex)

/* failed select */

select  a.major_cd as major_cd,
          a.minor_cd as minor_cd, 
          a.cd_nm as cd_nm
from   cob01t a
where a.use_yn = 'Y'
and    a.major_cd like case :as_arg2 when '*' then :as_arg2 else :as_arg1 end
and    a.minor_cd <> '*'
and    nvl(a.rel_cd1, '%') like case :as_arg2 when '*' then :as_arg2 else :as_arg1 end
order by a.minor_cd

/* success select */

select  a.major_cd as major_cd,
          a.minor_cd as minor_cd, 
          a.cd_nm as cd_nm
from   cob01t a
where a.use_yn = 'Y'
and    a.major_cd like :as_arg1
and    a.minor_cd <> '*'
and    nvl(a.rel_cd1, '%') like :as_arg1
order by a.minor_cd