Re: How to convert a binary filed to an integer field?

Unfortunately, the statement doesn't work. I get an error message about unable to convert boolean to integer.

I have a look at the case statement for the conversion, but don't understand how it works.


----- Original Message -----
From: "Arjen Nienhuis" <a.g.nienhuis@gmail.com>
To: wei725@lycos.com
Cc: pgsql-general@postgresql.org
Sent: Thursday, August 26, 2010 4:56:09 AM GMT -08:00 US/Canada Pacific
Subject: Re: [GENERAL] How to convert a binary filed to an integer field?




On Wed, Aug 25, 2010 at 9:29 PM, < wei725@lycos.com > wrote:


I have an application in the product. Now, one status field needs to have three statuses instead of two. How to make a
suchchange in PostgreSQL?  



ALTER TABLE product ALTER status TYPE int USING status::integer;