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Re: copy commands and linefeeds

From: Oliver Elphick <olly(at)lfix(dot)co(dot)uk>
To: Mija Lee <mija(at)scharp(dot)org>
Cc: pgsql-novice(at)postgresql(dot)org
Subject: Re: copy commands and linefeeds
Date: 2007-09-19 21:11:45
Message-ID: 1190236305.7954.94.camel@linda.lfix.co.uk (view raw or flat)
Thread:
Lists: pgsql-novice
On Wed, 2007-09-19 at 11:19 -0700, Mija Lee wrote:
> Oliver:
> 
> thanks so much for the help. Just for folks who might be looking on the list, 
> Oliver's suggestion works with 8.1 and above:
> 
> 	alter table mytable add check (mycolumn !~ E'[\n\r]');
> 
> whereas this works on 8.0:
> 
> 	alter table mytable add check (mycolumn !~ '\\r\\n');

But don't forget the square brackets: '[\\r\\n]'
otherwise you would match only a return followed by a linefeed rather
than either by itself.

> Maybe everyone already knows this...
> 
> Mija
> 
> 
-- 
Oliver Elphick                                          olly(at)lfix(dot)co(dot)uk
Isle of Wight                              http://www.lfix.co.uk/oliver
GPG: 1024D/A54310EA  92C8 39E7 280E 3631 3F0E  1EC0 5664 7A2F A543 10EA
                 ========================================
   Do you want to know God?   http://www.lfix.co.uk/knowing_god.html


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