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Re: Dead Space Map

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Hannu Krosing <hannu(at)skype(dot)net>
Cc: Heikki Linnakangas <hlinnaka(at)iki(dot)fi>, pgsql-hackers(at)postgresql(dot)org
Subject: Re: Dead Space Map
Date: 2006-02-28 15:28:33
Message-ID: 15121.1141140513@sss.pgh.pa.us (view raw or flat)
Thread:
Lists: pgsql-hackers
Hannu Krosing <hannu(at)skype(dot)net> writes:
> Or do you man that an index entry pointing to a non-existing tuple is
> "corruption" ? It would be realtively easy to teach index access method
> to just ignore (or even delete) the dangling index entries.

No, I mean that an index entry pointing at a WRONG tuple is corruption
(and no need for quotes about that one).  And that is the state that
will ensue, as soon as someone re-uses the line pointer.

			regards, tom lane

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