| From: | Pavel Stehule <pavel(dot)stehule(at)gmail(dot)com> |
|---|---|
| To: | Chapman Flack <chap(at)anastigmatix(dot)net> |
| Cc: | Andrew Dunstan <andrew(dot)dunstan(at)2ndquadrant(dot)com>, David Steele <david(at)pgmasters(dot)net>, PostgreSQL Hackers <pgsql-hackers(at)lists(dot)postgresql(dot)org> |
| Subject: | Re: proposal: variadic argument support for least, greatest function |
| Date: | 2019-03-06 17:38:38 |
| Message-ID: | CAFj8pRDS8WQCuH+1k02fVvBra7zDfrjsvCAX-kBH89EaXfSEOA@mail.gmail.com |
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| Lists: | pgsql-hackers |
st 6. 3. 2019 v 16:24 odesílatel Chapman Flack <chap(at)anastigmatix(dot)net>
napsal:
> On 3/6/19 10:12 AM, Andrew Dunstan wrote:
>
> > Having reviewed the thread, I'm with Andres and Tom. Maybe though we
> > should have a note somewhere to the effect that you can't use VARIADIC
> > with these.
>
> Perhaps such a note belongs hoisted into the functions-conditional
> section of the manual, making a general observation that these things
> are conditional *expressions* that may resemble functions, but in
> particular, COALESCE, GREATEST, and LEAST cannot be called with
> keyword VARIADIC and an array argument, as they could if they were
> ordinary functions.
>
+1
Pavel
> Regards,
> -Chap
>
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