Re: help: now() + N is now failing!

Stephan Szabo wrote:

>On Tue, 29 Jul 2003, Dmitry Tkach wrote:
>
>
>
>>Yeah... Looks weird.
>>For some reason, even date_pli(now(), 2) doesn't work any more - you
>>have to do date_pli(now()::date,2)
>>I guess, the now()+2 has the same problem - for some reason, it fails to
>>coerce timestamptz into date automatically :-(
>>Why is that? There is only one function called date_pli(), and there is
>>an unambigous conversion date(timestamptz)... Why does it now force the
>>user to cast explicitly???
>>
>>
>
>It's not an implicit cast any longer (see pg_cast). Implicit casts often
>result in unexpected behavior.
>
>For example, what should now()+2 mean? Converting to date and adding two
>days is fairly wierd behavior, I'd much more expect it to say add 2
>seconds or error. now() + interval '2 days' or cast(now() as date)+2 both
>express the intent of adding 2 days much better.
>
>
Ok, granted that, but what's wrong with date_pli (now(), 2)?

Dima