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Re: SQL: table function support

From: "Pavel Stehule" <pavel(dot)stehule(at)gmail(dot)com>
To: "Neil Conway" <neilc(at)samurai(dot)com>
Cc: pgsql-patches <pgsql-patches(at)postgresql(dot)org>
Subject: Re: SQL: table function support
Date: 2008-06-10 04:42:19
Message-ID: 162867790806092142v114e9826qdb8a1ab684c73c67@mail.gmail.com (view raw or flat)
Thread:
Lists: pgsql-patches
2008/6/10 Neil Conway <neilc(at)samurai(dot)com>:
> On Tue, 2008-06-03 at 13:03 +0200, Pavel Stehule wrote:
>> this patch add support of table functions syntax like ANSI SQL 2003.
>
> I'm not necessarily opposed to this, but I wonder if we really need
> *more* syntax variants for declaring set-returning functions. The
> existing patchwork of features is confusing enough as it is...
>

internally is table functions implemenation identical with SRF.
Semantically is far - user's doesn't specify return type (what is from
PostgreSQL), but specifies return table, what is more natural. What
more - for users is transparent chaotic joice betwen "SETOF RECORD"
for multicolumns sets and "SETOF type".

Pavel

> -Neil
>
>
>

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