| From: | Alvaro Herrera <alvherre(at)commandprompt(dot)com> |
|---|---|
| To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
| Cc: | Robert Haas <robertmhaas(at)gmail(dot)com>, Greg Stark <greg(dot)stark(at)enterprisedb(dot)com>, Andres Freund <andres(at)anarazel(dot)de>, Peter Eisentraut <peter_e(at)gmx(dot)net>, pgsql-hackers(at)postgresql(dot)org, David Fetter <david(at)fetter(dot)org>, Stephen Frost <sfrost(at)snowman(dot)net>, Dimitri Fontaine <dfontaine(at)hi-media(dot)com>, Kenneth Marshall <ktm(at)rice(dot)edu>, Zdenek Kotala <Zdenek(dot)Kotala(at)sun(dot)com> |
| Subject: | Re: [PATCH] cleanup hashindex for pg_migrator hashindex compat mode (for 8.4) |
| Date: | 2009-05-26 18:27:15 |
| Message-ID: | 20090526182715.GH32650@alvh.no-ip.org |
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| Lists: | pgsql-hackers |
Tom Lane escribió:
> Robert Haas <robertmhaas(at)gmail(dot)com> writes:
> > On Tue, May 26, 2009 at 10:09 AM, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:
> >> I don't trust filterdiff one bit :-(
>
> > For any particular reason, or just natural skepticism?
>
> IIRC it was demonstrated to be broken the last time it was proposed
> as a solution to our problems. Maybe it's been fixed since then, but
> I don't have any confidence in it, since evidently it's not been stress
> tested very hard.
I think you're probably confusing it with interdiff. I've had the
latter fail several times (and I haven't really used it all that much),
but I've never seem filterdiff make a mistake even though I use it
frequently.
--
Alvaro Herrera http://www.CommandPrompt.com/
PostgreSQL Replication, Consulting, Custom Development, 24x7 support
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