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From: Dirk Lutzebaeck <lutzeb @ aeccom.com> on 05/05/99 03:30 AMTo: Tom Lane <tgl @
sss.pgh.pa.us>@SMTP@EXCHANGEcc: hackers @ postgreSQL.org@SMTP@EXCHANGE Subject: Re: [HACKERS] major flaw in
6.5beta1???
(UPDATE/INSERT waiting)
Tom Lane writes: > Dirk Lutzebaeck <lutzeb@aeccom.com> writes: > > cs=> select envelope from recipient where
envelope=510349;> > [ returns a tuple that obviously fails the WHERE condition ] > > Yipes. Do you have an index on
theenvelope field, and if so is > it being used for this query? (Use EXPLAIN to check.) My guess > is that the index
iscorrupted. Dropping and recreating the
index > would probably set things right.
Yes, thanks, recreating the index cures the problem.
> Of course the real issue is how it got corrupted. Hiroshi found > an important bug in btree a few days ago, and
thereis a
discussion > going on right now about lock-manager bugs that might possibly
allow > multiple backends to corrupt data that they're concurrently
updating. > But I have no idea if either of those explains your problem.
Does this mean they can deadlock themselves? Is this also true for6.4.2? I probably switch back then.
Thanks, Dirk
