Re: proposal casting from XML[] to int[], numeric[], text[]

From: "Nikolay Samokhvalov" <samokhvalov(at)gmail(dot)com>
To: "Tom Lane" <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: "Pavel Stehule" <pavel(dot)stehule(at)gmail(dot)com>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: proposal casting from XML[] to int[], numeric[], text[]
Date: 2007-11-12 06:33:47
Message-ID: e431ff4c0711112233q3aa6c625ocee1419551735dd7@mail.gmail.com
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On Nov 12, 2007 12:59 AM, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:
> I'm not clear on what you're proposing. There is no such thing as an
> opclass with no operators (or at least, not a useful one), so this seems
> mutually contradictory.
>
> regards, tom lane
>

You're right, that's my mistake, sorry. So, having casting rules seems
to be the only option..

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