pg.ddx.io  pgsql-sql@postgresql.org mailing list archive  
help / color / mirror / Atom feed
From: Bruno Wolff III <bruno@wolff.to>
To: Chris Faulkner <chrisf@oramap.com>
Cc: Pgsql-Sql <pgsql-sql@postgresql.org>
Subject: Re: create new field
Date: Mon, 6 Oct 2003 11:56:09 -0500
Message-ID: <20031006165609.GC27925@wolff.to> (raw)
In-Reply-To: <DGENKIKMJILAAKJGFHKFAEHPCIAA.chrisf@oramap.com>
References: <DGENKIKMJILAAKJGFHKFAEHPCIAA.chrisf@oramap.com>

On Mon, Oct 06, 2003 at 17:35:11 +0100,
  Chris Faulkner <chrisf@oramap.com> wrote:
> 
> OK - so I tried casting.
> 
> template1=# update tab set new_col = "OLD_COL"::int4;
> ERROR:  Cannot cast type character to integer
> 
> I understand this - some tables might have characters in the varchar but how
> to get around it in my case ? I know that my character field has only
> integers in it ?

You want to use to_number to do the conversion.



view thread (3+ messages)

Message-ID: <20031006165609.GC27925@wolff.to>
Permalink:  ../20031006165609.GC27925@wolff.to/
Also on:    postgresql.org/message-id/20031006165609.GC27925@wolff.to

 · 

reply

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Reply to all the recipients using the --to and --cc options:
  reply via email

  To: pgsql-sql@postgresql.org
  Cc: bruno@wolff.to, chrisf@oramap.com
  Subject: Re: create new field
  In-Reply-To: <20031006165609.GC27925@wolff.to>

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

This inbox is served by DDX for PostgreSQL; see mirroring instructions
for how to clone and mirror all data and code used for this inbox