| From: | "codeWarrior" <gpatnude(at)hotmail(dot)com> |
|---|---|
| To: | pgsql-performance(at)postgresql(dot)org |
| Subject: | Re: Easy question |
| Date: | 2006-04-25 15:55:29 |
| Message-ID: | e2lgmr$1ii5$1@news.hub.org |
| Views: | Whole Thread | Raw Message | Download mbox | Resend email |
| Thread: | |
| Lists: | pgsql-performance |
SELECT geom, group, production_facs FROM south_america
WHERE UPPER(municipio) IN ('ACRE', 'ADJUNTAS', 'AGUADA');
<clemens(dot)bertschler(at)gmail(dot)com> wrote in message
news:1145741653(dot)759727(dot)38970(at)e56g2000cwe(dot)googlegroups(dot)com(dot)(dot)(dot)
> Hi List
> I have maybe an easy question but i do not find an answer, i have this
> SQL query:
>
> SELECT geom,group,production_facs FROM south_america
> WHERE municipio = ''
> OR municipio = 'ACRE'
> OR municipio = 'ADJUNTAS'
> OR municipio = 'AGUADA'
>
> The performance of this query is quite worse as longer it gets, its
> possible that this query gets over 20 to 30 OR comparisons, but then
> the performance is really worse, is it possible to speed it up?
> Thanks
> Clemens
>
| From | Date | Subject | |
|---|---|---|---|
| Next Message | Tom Lane | 2006-04-25 15:55:36 | Re: Query on postgresql 7.4.2 not using index |
| Previous Message | Scott Marlowe | 2006-04-25 15:54:23 | Re: Query on postgresql 7.4.2 not using index |