Skip site navigation (1) Skip section navigation (2)

Re: [HACKERS] select * from ..;vacuum crashes

From: Bruce Momjian <maillist(at)candle(dot)pha(dot)pa(dot)us>
To: t-ishii(at)sra(dot)co(dot)jp
Cc: t-ishii(at)sra(dot)co(dot)jp, pgsql-hackers(at)postgreSQL(dot)org
Subject: Re: [HACKERS] select * from ..;vacuum crashes
Date: 1998-10-06 04:35:03
Message-ID: 199810060435.AAA28754@candle.pha.pa.us (view raw or flat)
Thread:
Lists: pgsql-hackers
> >You must enable Assert to see the crash.
> 
> I saw the crash without assertion enabled? This is FreeBSD 2.2.6.
> 
> >The cause may be because you are doing a vacuum INSIDE a transaction.  I
> >think that also explains the psql -e thing, because that does both
> >commands in the same transaction.
> >
> >Perhaps we need to disable vacuum inside transactions.  Vadim?
> 
> FYI, it is reported that 6.3.2 does not have the crash.

Of course, you are right.  I can reproduce it with the SELECT, then
VACUUM, with no transactions at all.  VACUUM alone works, but not with
the SELECT before it.

-- 
  Bruce Momjian                        |  http://www.op.net/~candle
  maillist(at)candle(dot)pha(dot)pa(dot)us            |  (610) 853-3000
  +  If your life is a hard drive,     |  830 Blythe Avenue
  +  Christ can be your backup.        |  Drexel Hill, Pennsylvania 19026


In response to

pgsql-hackers by date

Next:From: Thomas G. LockhartDate: 1998-10-06 04:35:31
Subject: Re: [HACKERS] select * from ..;vacuum crashes
Previous:From: Bruce MomjianDate: 1998-10-06 04:33:24
Subject: Open 6.4 items

Privacy Policy | About PostgreSQL
Copyright © 1996-2014 The PostgreSQL Global Development Group