Re: Concurrent update failure in HEAD

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Takahiro Itagaki <itagaki(dot)takahiro(at)oss(dot)ntt(dot)co(dot)jp>
Cc: pgsql-bugs(at)postgresql(dot)org
Subject: Re: Concurrent update failure in HEAD
Date: 2010-01-08 02:45:27
Message-ID: 24720.1262918727@sss.pgh.pa.us
Views: Raw Message | Whole Thread | Download mbox | Resend email
Thread:
Lists: pgsql-bugs

Takahiro Itagaki <itagaki(dot)takahiro(at)oss(dot)ntt(dot)co(dot)jp> writes:
> I found pgbench sometimes receives responces of "UPDATE 0" from HEAD server.
> When I re-tested pgbench with 8.4.2 server, all of the results were "UPDATE 1".
> Are there known issues in HEAD for concurrent updates?

There are now :-(. I've committed a fix that I think takes care of
this, but since it seems to be a quite hard-to-reach path of control,
please test some more.

regards, tom lane

In response to

Responses

Browse pgsql-bugs by date

  From Date Subject
Next Message Takahiro Itagaki 2010-01-08 03:15:37 Re: Concurrent update failure in HEAD
Previous Message Robert Haas 2010-01-08 02:17:49 Re: BUG #5268: PQgetvalue incorrectly returns 0