| From: | Andreas Kretschmer <akretschmer(at)spamfence(dot)net> |
|---|---|
| To: | pgsql-general(at)postgresql(dot)org, pgsql-sql(at)postgresql(dot)org |
| Subject: | Re: Indexing question |
| Date: | 2012-08-14 17:33:38 |
| Message-ID: | 20120814173338.GA15693@tux |
| Views: | Whole Thread | Raw Message | Download mbox | Resend email |
| Thread: | |
| Lists: | pgsql-general pgsql-sql |
amit sehas <cun23(at)yahoo(dot)com> wrote:
> In SQL, given a table T, with two fields f1, f2,
>
> is it possible to create an index such that the same record is indexed
> in the index, once with field f1 and once with field f2. (I am not
> looking for a compound index in which the key would look like <f1,
> f2>, instead there should be two entries in the index <f1> and <f2>).
>
> we have a few use cases for the above, perhaps we need to alter the
> schema somehow to accommodate the above,
2 separate indexes? One on f1 and one on f2?
Andreas
--
Really, I'm not out to destroy Microsoft. That will just be a completely
unintentional side effect. (Linus Torvalds)
"If I was god, I would recompile penguin with --enable-fly." (unknown)
Kaufbach, Saxony, Germany, Europe. N 51.05082°, E 13.56889°
| From | Date | Subject | |
|---|---|---|---|
| Next Message | Scott Mead | 2012-08-14 18:47:56 | Re: Visualize database schema |
| Previous Message | David Johnston | 2012-08-14 17:19:47 | Re: Indexing question |
| From | Date | Subject | |
|---|---|---|---|
| Next Message | Alex | 2012-08-17 15:58:25 | Error: Template Id should be teh identifier of a template - help |
| Previous Message | David Johnston | 2012-08-14 17:19:47 | Re: Indexing question |