On Thu, Mar 20, 2014 at 5:55 PM, Alexandr <askellio@gmail.com> wrote:
>> Subtracting to get an interval, then converting that interval to seconds
>> or minutes could give you a value that's wildly different from the right
>> answer.
>
> Can you explain me when it happens ?
'1 month'::interval
It's different depending on which month we're talking about.