Re: GiST index question: performance

On Tue, 6 Mar 2007, Steve Midgley wrote:

> Hi Peter,
>
> :)
>
> All my Pg code is written via (or handed to) an abstraction layer, and I 
> actually write no functions or stored procedures at all. I write using Rails, 
> so in this case it's a Ruby library called ActiveRecord which has a Postgres 
> module that allows me to talk via "ActiveRecord-speak" or via direct Postgres 
> sql commands. (For example, AR has no idea how to create a GiST index, so I 
> issue that DDL statement manually using the special syntax - also AR is not 
> always so smart about SQL queries so tricky ones I write by hand).
>
> Maybe I misunderstand Q3C completely but it looks like C code that has to be 
> installed into the Postgres server itself - not a series of SQL functions 
> that can implemented on an unmodified server. I think my ISP is fine with 
> anything that gets installed via user-level privileges. Anything that 
> requires root and/or anything that involves binary code they are more 
> cautious about.

Q3C as a contrib module doesn't require root priviliges, you could
compile it in your home directory ! The only issue is that you should have
pg superuser rights, but you can always ask somebody with such rights
to install compiled module to your database.

    Regards,        Oleg
_____________________________________________________________
Oleg Bartunov, Research Scientist, Head of AstroNet (www.astronet.ru),
Sternberg Astronomical Institute, Moscow University, Russia
Internet: oleg@sai.msu.su, http://www.sai.msu.su/~megera/
phone: +007(495)939-16-83, +007(495)939-23-83