Following is from stdbody.sql. Now select sysdate from dual is used only
when pessdt returns NULL.
- Bug 1287775: back to calling ICD.
- Special: if the ICD returns NULL, that means we should do the old
- 'SELECT SYSDATE FROM DUAL;' thing. This allows us to do the SELECT
from
- PL/SQL rather than having to do it from C (within the ICD.)
function sysdate return date is
d date;
begin
d := pessdt;
if (d IS NULL) then
select sysdate into d from sys.dual;
end if;
return d;
end;
- Original Message -----
To: "Multiple recipients of list ORACLE-L" <ORACLE-L_at_fatcity.com>
Sent: Thursday, December 26, 2002 11:03 AM
> Actually this may not be true any more starting from Oracle 8.1.7.
>
> Many of the functions started to have a C language interface in 8.1.7.
>
> Check stdbody.sql to find which function has a C prgama.
>
> Regards,
>
> Waleed
>
> -----Original Message-----
> Sent: Thursday, December 26, 2002 1:24 PM
> To: Multiple recipients of list ORACLE-L
>
>
> Raj:
>
> Both are same. It is internally translated as a select call to dual.
>
> KG
>
> --- "Jamadagni, Rajendra" <Rajendra.Jamadagni_at_espn.com> wrote:
> > Can someone please explain me why you have to use
> >
> > select sysdate
> > from dual
> > /
> >
> > when
> >
> > my_date_Var := sysdate;
> >
> > just works fine? Maybe I am clueless ... but I can take an
> > explanation
> >
> > Raj
>
> =====
> Have a nice day !!
> ------------------------------------------------------------
> Best Regards,
> K Gopalakrishnan,
> Bangalore, INDIA.
> --
> Please see the official ORACLE-L FAQ: http://www.orafaq.net
> --
> Author: K Gopalakrishnan
> INET: kaygopal_at_yahoo.com
>
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Author: Shaleen
INET: shgarg_orafaq_at_hotmail.com
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Received on Thu Dec 26 2002 - 13:54:37 CST
