| From: | Joe Conway <mail(at)joeconway(dot)com> |
|---|---|
| To: | Corey Huinker <corey(dot)huinker(at)gmail(dot)com>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
| Cc: | Heikki Linnakangas <hlinnaka(at)iki(dot)fi>, Merlin Moncure <mmoncure(at)gmail(dot)com>, Michael Paquier <michael(dot)paquier(at)gmail(dot)com>, PostgreSQL mailing lists <pgsql-hackers(at)postgresql(dot)org>, Pavel Stehule <pavel(dot)stehule(at)gmail(dot)com> |
| Subject: | Re: dblink: add polymorphic functions. |
| Date: | 2015-07-29 16:14:52 |
| Message-ID: | 55B8FBFC.3040504@joeconway.com |
| Views: | Raw Message | Whole Thread | Download mbox | Resend email |
| Thread: | |
| Lists: | pgsql-hackers |
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On 07/29/2015 08:56 AM, Corey Huinker wrote:
> On Wed, Jul 29, 2015 at 10:48 AM, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us Not
> sure why inserting a variable name is so much better than inserting
> a type name?
> In a polymorphic function, I don't know the return type. It's
> whatever type was specified on the function call.
>
> Say I've written a function with a function like
> outer_polymorphic_function(p_rowtype anyelement,p1 ,p2,p3, ...)
> returns setof anyelement
Remind me where you get p_rowtype at runtime again? At some point you
are still having to calculate it, no?
- --
Joe Conway
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