| From: | Oleg Bartunov <oleg(at)sai(dot)msu(dot)su> |
|---|---|
| To: | Hannu Krosing <hannu(at)skype(dot)net> |
| Cc: | Pgsql Hackers <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: unexpected plan for unused table (8.1dev) |
| Date: | 2005-08-29 07:13:19 |
| Message-ID: | Pine.GSO.4.63.0508291112510.16397@ra.sai.msu.su |
| Views: | Raw Message | Whole Thread | Download mbox | Resend email |
| Thread: | |
| Lists: | pgsql-hackers |
On Mon, 29 Aug 2005, Hannu Krosing wrote:
>>
>> The only difference is unused table 'place' in FROM-clause. I typed in by
>> mistake, but I think optimizer could figure out not to take into account
>> this table.
>
> This is valid SQL and afaik exactly what you asked for in the query.
> Postgresql can't possibly know that you made a mistake :)
Oh, yes, you're right, of course !
>
>
Regards,
Oleg
_____________________________________________________________
Oleg Bartunov, sci.researcher, hostmaster of AstroNet,
Sternberg Astronomical Institute, Moscow University (Russia)
Internet: oleg(at)sai(dot)msu(dot)su, http://www.sai.msu.su/~megera/
phone: +007(095)939-16-83, +007(095)939-23-83
| From | Date | Subject | |
|---|---|---|---|
| Next Message | Harald Fuchs | 2005-08-29 07:56:44 | Re: Call for 7.5 feature completion |
| Previous Message | Hannu Krosing | 2005-08-29 06:37:11 | Re: unexpected plan for unused table (8.1dev) |