Skip site navigation (1) Skip section navigation (2)

Re: Missing doc on expression format for ALTER TABLE

From: Josh Berkus <josh(at)agliodbs(dot)com>
To: Alvaro Herrera <alvherre(at)dcc(dot)uchile(dot)cl>
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 05:50:47
Message-ID: 200503272150.48053.josh@agliodbs.com (view raw or flat)
Thread:
Lists: pgsql-docs
Guys,

> > 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.

What I'm pointing out here is that the USING clause can't be just ANY 
expression, it needs to be a specific type of expression.   And the docs 
don't explain what kind of expression is usable here.   Even a single example 
would go a long way ...

-- 
Josh Berkus
Aglio Database Solutions
San Francisco

In response to

Responses

pgsql-docs by date

Next:From: Thomas F.O'ConnellDate: 2005-03-28 16:03:49
Subject: Re: Version information in docs
Previous:From: Jim C. NasbyDate: 2005-03-28 02:19:46
Subject: Re: Version information in docs

Privacy Policy | About PostgreSQL
Copyright © 1996-2014 The PostgreSQL Global Development Group