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Re: Bug in Function-Transactions?

From: Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us>
To: Josh Berkus <josh(at)agliodbs(dot)com>
Cc: pgsql-bugs(at)postgresql(dot)org
Subject: Re: Bug in Function-Transactions?
Date: 2002-10-04 16:05:04
Message-ID: (view raw, whole thread or download thread mbox)
Lists: pgsql-bugs
Josh Berkus wrote:
> Folks,
> I just encountered a very interesting bug in ver 7.2.1.
> As an experiment, I tried running a VACCUUM ANALYZE on a table inside a
> Function after the function had made a large number of updates to that
> table.   I assumed that this wouldn't work, but I thought I'd give it a
> try.
> It did not work.  What it did was interesting.
> Postgres terminated my back-end connection to the server when it
> reached the VACUUM statement.
> Next, I reconnected. I was quite surprised to discover that Postgres
> had *not* rolled back the changes made by the function before it
> crashed.   
> I'm testing to see if I can reproduce this issue on 7.3b1.   I'll
> e-mail you with a test database if I can.

You will not be able to reproduce it.  7.3 disabled VACUUM inside
functions for that exact reason.

  Bruce Momjian                        |
  pgman(at)candle(dot)pha(dot)pa(dot)us               |  (610) 359-1001
  +  If your life is a hard drive,     |  13 Roberts Road
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