Re: Type Categories for User-Defined Types

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: "David E(dot) Wheeler" <david(at)kineticode(dot)com>
Cc: pgsql-hackers <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: Type Categories for User-Defined Types
Date: 2008-07-29 23:45:11
Message-ID: 2313.1217375111@sss.pgh.pa.us
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"David E. Wheeler" <david(at)kineticode(dot)com> writes:
> On Jul 29, 2008, at 15:35, Tom Lane wrote:
>> BTW, I did confirm (by temporarily hacking up TypeCategory()) that
>> causing citext to appear to be of STRING category eliminates the need
>> for the extra || operator and quote_literal() function that are in
>> the current citext code. So the proposed solution really will work.

> Nice! Does it also allow all of the casts to and from text to
> implicitly work, e.g,

No, but we could think about that. Do we really want that to work for
any member of the string category? It seems a bit overly broad to me
...

regards, tom lane

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