Re: [SQL] returns opaque

From: Vadim Mikheev <vadim(at)krs(dot)ru>
To: Paulina Canas Urrutia <paulina(at)labsd(dot)inf(dot)utfsm(dot)cl>
Cc: pgsql-sql(at)postgreSQL(dot)org
Subject: Re: [SQL] returns opaque
Date: 1998-07-24 02:35:33
Message-ID: 35B7F2F5.D4DF3ADE@krs.ru
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Paulina Canas Urrutia wrote:
>
> I found the following definition
>
> CREATE FUNCTION check_primary_key ()
> RETURNS opaque
> ^^^^^^
>
> and I didn't know what's the meaning of opaque. Any suggestion
> or definition ???????????

Meaning: function returns "something" that is not
valid data type (ie - not INT, CHAR, TEXT etc).

Vadim

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