From: Larry Rosenman <ler@lerctr.org>
To: Tom Lane <tgl@sss.pgh.pa.us>
Cc: pgsql-sql@postgresql.org
Subject: Re: Followup from yesterday's PL/pgSQL fun...
Date: Wed, 14 May 2003 13:03:47 -0500
Message-ID: <271440000.1052935427@lerlaptop-red.iadfw.net> (raw)
In-Reply-To: <25363.1052932103@sss.pgh.pa.us>
References: <177190000.1052930499@lerlaptop-red.iadfw.net>
<25250.1052931519@sss.pgh.pa.us>
<25296.1052931768@sss.pgh.pa.us>
<205620000.1052931835@lerlaptop-red.iadfw.net>
<25363.1052932103@sss.pgh.pa.us>
--On Wednesday, May 14, 2003 13:08:23 -0400 Tom Lane <tgl@sss.pgh.pa.us>
wrote:
> Larry Rosenman <ler@lerctr.org> writes:
>>> Actually, I think you can do it with CREATE CAST.
>
>> The issue (for me) was decoding the function name(s).
>
> I find the 7.3 OID-alias types very helpful for this sort of thing:
>
> regression=# select castsource::regtype, casttarget::regtype,
> castfunc::regprocedure, castcontext from pg_cast limit 1; castsource |
> casttarget | castfunc | castcontext
> ------------+------------+--------------+-------------
> bigint | smallint | int2(bigint) | a
> (1 row)
>
>> I wish there was a \ command to display pg_cast...
>
> There is (\dC). But it's not very bright --- I don't think you can
> limit the rows displayed at all.
$ psql
Welcome to psql 7.3.2, the PostgreSQL interactive terminal.
Type: \copyright for distribution terms
\h for help with SQL commands
\? for help on internal slash commands
\g or terminate with semicolon to execute query
\q to quit
ler=# \dC
Did not find any relation named "C".
ler=#
Hrm.
>
> regards, tom lane
--
Larry Rosenman http://www.lerctr.org/~ler
Phone: +1 972-414-9812 E-Mail: ler@lerctr.org
US Mail: 1905 Steamboat Springs Drive, Garland, TX 75044-6749
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To: pgsql-sql@postgresql.org
Cc: ler@lerctr.org, tgl@sss.pgh.pa.us
Subject: Re: Followup from yesterday's PL/pgSQL fun...
In-Reply-To: <271440000.1052935427@lerlaptop-red.iadfw.net>
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