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Re: [HACKERS] Enhanced containment selectivity function

From: Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us>
To: Matteo Beccati <php(at)beccati(dot)com>
Cc: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Oleg Bartunov <oleg(at)sai(dot)msu(dot)su>, Teodor Sigaev <teodor(at)sigaev(dot)ru>, PostgreSQL-patches <pgsql-patches(at)postgresql(dot)org>
Subject: Re: [HACKERS] Enhanced containment selectivity function
Date: 2006-04-26 18:33:09
Message-ID: 200604261833.k3QIX9l14013@candle.pha.pa.us (view raw or flat)
Thread:
Lists: pgsql-hackerspgsql-patches
Cleaned-up patch attached and applied.   Catalog version updated in
separate patch.

---------------------------------------------------------------------------

Matteo Beccati wrote:
> Hi,
> 
> >>Moving it in contrib/ltree would be more difficult to me because it 
> >>depends on other functions declared in selfuncs.c 
> >>(get_restriction_variable, etc).
> > 
> > I'd be willing to consider exporting those functions from selfuncs.c.
> 
> In the meanwhile here is the latest patch which uses both mcv and 
> histogram values.
> 
> 
> BTW, when restoring my test database I've found out that there were many 
> errors on ALTER INDEX "something" OWNER TO ... :
> 
> ERROR:  "something" is not a table, view, or sequence
> 
> This using 8.1devel pg_restore and a 8.0.3 compressed dump. I could be 
> wrong, but I didn't get those errors a few days ago (some cvs updates ago).
> 
> 
> Best regards
> --
> Matteo Beccati
> http://phpadsnew.com/
> http://phppgads.com/

-- 
  Bruce Momjian   http://candle.pha.pa.us
  EnterpriseDB    http://www.enterprisedb.com

  + If your life is a hard drive, Christ can be your backup. +

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