Re: Top five challenges

On 03/10/11 20:48, Adrian Klaver wrote:
> On 03/10/2011 09:15 AM, silly sad wrote:
>> On 03/10/11 20:07, Adrian Klaver wrote:
>>> On 03/10/2011 08:53 AM, silly sad wrote:
>>>
>>>
>>>>>
>>>>> Well, 'epoch' clearly is a point in time with the hour being
>>>>> midnight at
>>>>> GMT, so I don't see a problem with epoch making such an adjustment:
>>>>
>>>>
>>>> great! the flexible epoch!
>>>>
>>>> when do want to point an epoch to?
>>>> just set timezone and enjoy.
>>>>
>>>
>>> I am not sure what your point is.
>>
>> my point is:
>>
>> SELECT extract('epoch' from 'epoch'::timestamp);
>
> Simplest explanation is you are comparing a time zone aware datetime
> 'epoch' to an unaware one 'epoch'::timezone.  The second one, since it
> is not anchored to a time zone is taken to be local time and the result
> you get is the interval in seconds between the two.

(1) do u really believe in this?
(2) why didn't u try the select i wrote?