On 11/20/11 2:32 AM, Alexander Farber wrote:
> update pref_users set vip = max(vip, now()) + interval '1 week';
>
> but max() doesn't work with timestamps.
max works fine with timestamps... however, its a 1 argument function
that takes an aggregate as its argument.
you perhaps want GREATEST(val1,val2)
update pref_users set vip = greatest(vip, now()) + interval '1 week';
--
john r pierce N 37, W 122
santa cruz ca mid-left coast