pg.ddx.io  pgsql-sql@postgresql.org mailing list archive  
help / color / mirror / Atom feed
From: Richard Broersma Jr <rabroersma@yahoo.com>
To: pgsql-sql@postgresql.org, Andreas <maps.on@gmx.net>
Subject: Re: update on join ?
Date: Wed, 21 Nov 2007 19:38:01 -0800 (PST)
Message-ID: <133720.79781.qm@web31807.mail.mud.yahoo.com> (raw)
In-Reply-To: <4744F06A.8080302@gmx.net>

--- On Wed, 11/21/07, Andreas <maps.on@gmx.net> wrote:> 
> UPDATE inventory
> SET number = 0
> WHERE  thing_fk IN (SELECT thing_id FROM things WHERE color
> = 'red')

This is a perfectly acceptable ANSI-SQL update statement.

Here is non-ANSI update statement that you are probably after:

UPDATE Inventory
   SET number = 0
  FROM Things
 WHERE Inventory.thing_fk = Things.thing_id
   AND Things.color = 'red';

IIRC, Joe Celko referrers to this syntax as "T-SQL".

Regards,
Richard Broersma Jr.



view thread (4+ messages)  latest in thread

Message-ID: <133720.79781.qm@web31807.mail.mud.yahoo.com>
Permalink:  ../133720.79781.qm@web31807.mail.mud.yahoo.com/
Also on:    postgresql.org/message-id/133720.79781.qm@web31807.mail.mud.yahoo.com

 · 

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: rabroersma@yahoo.com, maps.on@gmx.net
  Subject: Re: update on join ?
  In-Reply-To: <133720.79781.qm@web31807.mail.mud.yahoo.com>

* 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