| From: | Josh Berkus <josh(at)agliodbs(dot)com> |
|---|---|
| To: | salah jubeh <s_jubeh(at)yahoo(dot)com>, "pgsql-hackers(at)postgresql(dot)org" <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: Function sugnature with default parameter |
| Date: | 2014-02-26 18:51:44 |
| Message-ID: | 530E37C0.5030805@agliodbs.com |
| Views: | Raw Message | Whole Thread | Download mbox | Resend email |
| Thread: | |
| Lists: | pgsql-hackers |
On 02/26/2014 10:15 AM, salah jubeh wrote:
> I think, there is a difference between optional parameters and default parameter values. So, my suggestion would be something like this.
> SELECT default_test(1,3, DEFAULT); -- match function number 1
>
> SELECT default_test(1,3); -- match the function number 2
>
> SELECT default_test(1); -- ERROR
> Regards
This would break at least 4 major applications which I personally have
worked on, and the benefit to users is unclear at best.
One of the main reasons to *have* default parameters is to allow adding
new parameters to existing functions without breaking old application
code. So, -1 from me.
--
Josh Berkus
PostgreSQL Experts Inc.
http://pgexperts.com
| From | Date | Subject | |
|---|---|---|---|
| Next Message | Josh Berkus | 2014-02-26 18:54:45 | Re: Simplified VALUES parameters |
| Previous Message | Leon Smith | 2014-02-26 18:47:04 | Simplified VALUES parameters |