| From: | Dimitri Fontaine <dfontaine(at)hi-media(dot)com> |
|---|---|
| To: | Peter Eisentraut <peter_e(at)gmx(dot)net> |
| Cc: | pgsql-hackers(at)postgresql(dot)org, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Michael Meskes <meskes(at)postgresql(dot)org>, "David E(dot) Wheeler" <david(at)kineticode(dot)com>, Pavel Stehule <pavel(dot)stehule(at)gmail(dot)com>, Heikki Linnakangas <heikki(dot)linnakangas(at)enterprisedb(dot)com>, Bruce Momjian <bruce(at)momjian(dot)us>, Gregory Stark <stark(at)enterprisedb(dot)com>, Grzegorz Jaskiewicz <gj(at)pointblue(dot)com(dot)pl> |
| Subject: | Re: WIP: default values for function parameters |
| Date: | 2008-12-13 12:26:53 |
| Message-ID: | 345A1055-7665-46BD-8BFE-AE8911059E98@hi-media.com |
| Views: | Raw Message | Whole Thread | Download mbox | Resend email |
| Thread: | |
| Lists: | pgsql-hackers |
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Hi,
Le 13 déc. 08 à 11:39, Peter Eisentraut a écrit :
> On Friday 12 December 2008 20:05:57 Tom Lane wrote:
>> Excellent. I checked that psql's colon-variable feature behaves the
>> same. So it looks like the proposed "name: value" syntax would
>> indeed
>> not break any existing features. Barring better ideas I think we
>> should
>> go with that one.
>
> I personally thought that AS was a better idea.
It seems some people want to be able to overload some default
parameters (but not others) and at the same time alias them to some
new label. I'm not sure I understand it all, but it seems an example
of it would be like:
SELECT xml_function(a, b: 'foo' AS bar);
If this is what some people want when all the spare parts are bound
together, we don't have the option to use AS for both the meanings.
Regards,
- --
dim
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