On 10/16/2011 04:39 PM, Scott Marlowe wrote:
> On Sun, Oct 16, 2011 at 5:24 PM, Tom Lane<tgl@sss.pgh.pa.us> wrote:
>> Scott Marlowe<scott.marlowe@gmail.com> writes:
>>> On Sat, Oct 15, 2011 at 2:20 PM, Thomas Kellerer<spam_eater@gmx.net> wrote:
>>>> Total runtime: -2.368 ms<<==== this is amazing ;)
>>> I get something similar when I do select now()-query_start from
>>> pg_stat_activity on my Ubuntu 10.04 / pg 8.3 servers.
>> Within a transaction block that's not surprising, because now() is
>> defined as transaction start time not statement start time.
> No transaction block.
>
Even stand-alone statements take place within a transaction - just not
an explicit one.
Cheers,
Steve