From: | Andrew Dunstan <andrew(dot)dunstan(at)2ndquadrant(dot)com> |
---|---|
To: | Chapman Flack <chap(at)anastigmatix(dot)net>, David Steele <david(at)pgmasters(dot)net>, pgsql-hackers(at)lists(dot)postgresql(dot)org |
Cc: | Pavel Stehule <pavel(dot)stehule(at)gmail(dot)com> |
Subject: | Re: proposal: variadic argument support for least, greatest function |
Date: | 2019-03-11 16:43:25 |
Message-ID: | 9c3525e1-82bd-18b8-d3bc-6f8c14003b59@2ndQuadrant.com |
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Lists: | pgsql-hackers |
On 3/6/19 10:24 AM, Chapman Flack wrote:
> 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.
>
I'm going to mark this as rejected. Here's a possible doc patch
cheers
andrew
--
Andrew Dunstan https://www.2ndQuadrant.com
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services
Attachment | Content-Type | Size |
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conditional-variadic-doc.patch | text/x-patch | 671 bytes |
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