| From: | Alexander Korotkov <aekorotkov(at)gmail(dot)com> |
|---|---|
| To: | Euler Taveira de Oliveira <euler(at)timbira(dot)com> |
| Cc: | Robert Haas <robertmhaas(at)gmail(dot)com>, teodor(at)sigaev(dot)ru, pgsql-hackers(at)postgresql(dot)org |
| Subject: | Re: knngist - 0.8 |
| Date: | 2010-08-09 22:00:25 |
| Message-ID: | AANLkTim_aHaY-To-ApdN1VHm3bef6zHc_K0eYgQROxNe@mail.gmail.com |
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| Lists: | pgsql-hackers |
On Tue, Aug 10, 2010 at 1:35 AM, Euler Taveira de Oliveira <
euler(at)timbira(dot)com> wrote:
> What do you mean by complex queries? You can always use the SET command.
> Sadly
> it doesn't work when you have different thresholds within distinct
> subqueries.
> (In pg_similarity I use this approach to set the function's thresholds).
I mean exactly different thresholds in distinct subqueries.
What
> I am investigating is a way to build an index with some user-defined
> parameters. (We already have some infra-structure in reloptions for that
> but
> it needs some work to support my idea). I have some half-baked patch that
> I'm
> planning to submit to some of the CFs. Unfortunately, I don't have time for
> it
> ATM.
>
User-defined parameters for GiST would be a great feature. I'm performing
some experiments with GiST and I'm really feeling the need of it.
----
With best regards,
Alexander Korotkov.
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