Re: PG qsort vs. Solaris

From: Bruce Momjian <bruce(at)momjian(dot)us>
To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: Neil Conway <neilc(at)samurai(dot)com>, Zdenek Kotala <Zdenek(dot)Kotala(at)Sun(dot)COM>, pgsql-hackers(at)postgresql(dot)org
Subject: Re: PG qsort vs. Solaris
Date: 2006-10-03 21:06:47
Message-ID: 200610032106.k93L6lt13211@momjian.us
Views: Raw Message | Whole Thread | Download mbox | Resend email
Thread:
Lists: pgsql-hackers

Tom Lane wrote:
> Neil Conway <neilc(at)samurai(dot)com> writes:
> > On Tue, 2006-10-03 at 15:44 -0400, Tom Lane wrote:
> >> 1. Switch to using port/qsort.c all the time.
> >> 2. Add a "qsort_arg" function that is identical to qsort except it also
> >> passes a void pointer through to the comparison function. This will
> >> allow us to get rid of the non-reentrant static variable and extra
> >> level of function call in tuplesort.c.
> >> 3. Insert a CHECK_FOR_INTERRUPTS() call as was requested back in July.
> >> With glibc out of the way, there's no longer a reason to fear memory
> >> leakage from cancelling a sort.
>
> > +1 from me.
>
> > I can implement this (for 8.3, naturally), unless you'd prefer to do it
> > yourself.
>
> I was planning to do it right now, on the grounds that #2 and #3 are bug
> fixes, and that fixing the existing memory leakage hazard is a good
> thing too.

I am OK with doing it now, but calling it a bug fix seems like a
stretch. ;-)

--
Bruce Momjian bruce(at)momjian(dot)us
EnterpriseDB http://www.enterprisedb.com

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

In response to

Responses

Browse pgsql-hackers by date

  From Date Subject
Next Message Tom Lane 2006-10-03 21:09:23 Re: PG qsort vs. Solaris
Previous Message Merlin Moncure 2006-10-03 21:06:09 Re: Pie-in-sky dreaming about reworking tuple layout entirely