| From: | "Jonah H(dot) Harris" <jonah(dot)harris(at)gmail(dot)com> |
|---|---|
| To: | "Tom Lane" <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
| Cc: | "Mark Mielke" <mark(at)mark(dot)mielke(dot)cc>, Postgresql-Hackers <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: insert ... delete ... returning ... ? |
| Date: | 2008-02-24 23:14:33 |
| Message-ID: | 36e682920802241514l4ce3454bvd2d84112a494cc27@mail.gmail.com |
| Views: | Raw Message | Whole Thread | Download mbox | Resend email |
| Thread: | |
| Lists: | pgsql-hackers |
On Sun, Feb 24, 2008 at 5:44 PM, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:
> "Jonah H. Harris" <jonah(dot)harris(at)gmail(dot)com> writes:
> > Not stupid, it doesn't work :) This was a limitation of the original
> > design based on (IIRC) executor-related issues.
>
> There are definitional issues not only implementation ones; in
> particular, in subquery-like cases it's entirely unclear how many times
> the DML operation will or should get evaluated.
Yup,that's what it was. I think I remember the trigger-level and
top-level executor-related stuff. If I'm in that area of the code
soon, I'll see how much would be involved and if I think I have enough
time, submit a proposal for it.
--
Jonah H. Harris, Sr. Software Architect | phone: 732.331.1324
EnterpriseDB Corporation | fax: 732.331.1301
499 Thornall Street, 2nd Floor | jonah(dot)harris(at)enterprisedb(dot)com
Edison, NJ 08837 | http://www.enterprisedb.com/
| From | Date | Subject | |
|---|---|---|---|
| Next Message | Mark Mielke | 2008-02-24 23:52:30 | Re: insert ... delete ... returning ... ? |
| Previous Message | Tom Lane | 2008-02-24 22:44:52 | Re: insert ... delete ... returning ... ? |