Re: knngist - 0.8 - Mailing list pgsql-hackers

From Alexander Korotkov
Subject Re: knngist - 0.8
Date
Msg-id AANLkTim_aHaY-To-ApdN1VHm3bef6zHc_K0eYgQROxNe@mail.gmail.com
Whole thread Raw
In response to Re: knngist - 0.8  (Euler Taveira de Oliveira <euler@timbira.com>)
List pgsql-hackers
On Tue, Aug 10, 2010 at 1:35 AM, Euler Taveira de Oliveira <euler@timbira.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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