From: | Alvaro Herrera <alvherre(at)dcc(dot)uchile(dot)cl> |
---|---|
To: | Josh Berkus <josh(at)agliodbs(dot)com> |
Cc: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, pgsql-docs(at)postgresql(dot)org |
Subject: | Re: Missing doc on expression format for ALTER TABLE |
Date: | 2005-03-28 02:00:50 |
Message-ID: | 20050328020050.GB28150@dcc.uchile.cl |
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Thread: | |
Lists: | pgsql-docs |
On Sun, Mar 27, 2005 at 05:11:43PM -0800, Josh Berkus wrote:
> > ALTER [ COLUMN ] column TYPE type [ USING expression ]
> >
> > Surely you're not expecting it to repeat the complete syntax for
> > <expression>.
>
> Well, yes, actually. Where in the documentation is a type conversion
> expression defined? Do we use NEW and OLD? Or the name of the column? Or
> something else?
I think the ALTER TABLE page is in dire need of a "See also" section, at
least. And a reference to where <expression> is defined would be nice
to have.
--
Alvaro Herrera (<alvherre[(at)]dcc(dot)uchile(dot)cl>)
"All rings of power are equal,
But some rings of power are more equal than others."
(George Orwell's The Lord of the Rings)
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