From: | Rod Taylor <rbt(at)rbt(dot)ca> |
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To: | Reggie Burnett <rykr(at)bellsouth(dot)net> |
Cc: | "'PostgreSQL-development'" <pgsql-hackers(at)postgresql(dot)org> |
Subject: | Re: new interface |
Date: | 2002-12-06 15:41:19 |
Message-ID: | 1039189278.2742.20.camel@jester |
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Lists: | pgsql-hackers |
On Fri, 2002-12-06 at 10:30, Reggie Burnett wrote:
> Let me see if I can add more information here. PSQL appears to only
> retrieve table metadata when \d is given. For my interface, I will need
> the ability to present every column as a proper system object (int, byte
> array, currency, etc) depending on the db type. I will not be able to
> wait for the user of my interface to execute a method before retrieving
> this data so I will need to automatically retrieve it every time.
> Having looked at the query issued by \d in PSQL, it would seem that I
> would need to issue that same query for every column in my select. I
> say that because it contains a join of pg_class and pg_attribute.
Something like that I would suspect.
But if they're arbitrary selects, how are you going to handle:
SELECT CAST(32 AS text);
--
Rod Taylor <rbt(at)rbt(dot)ca>
PGP Key: http://www.rbt.ca/rbtpub.asc
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