On Wed, Jul 7, 2010 at 12:18 AM, Tom Lane <t...@sss.pgh.pa.us> wrote:
> Gurjeet Singh <singh.gurj...@gmail.com> writes: > > I ran the following query, and got an unexpected negative value. Does > this > > imply that SELECT-transaction was able to see a row created by > > INSERT-transaction which started after the SELECT-transaction? > > Was the SELECT inside a BEGIN block? > No. I have the psql session still open so can confirm that with absolute confidence. If you must know, this instance is on a low-cost, hosted, Xen virtual machine. By any chance, can we suspect the timer accuracy here? Or possibly an NTP server foul-play! Regards, -- gurjeet.singh @ EnterpriseDB - The Enterprise Postgres Company http://www.EnterpriseDB.com singh.gurj...@{ gmail | yahoo }.com Twitter/Skype: singh_gurjeet Mail sent from my BlackLaptop device