Agree with David.
Regards,
Dmitriy
2010/9/10 David Fetter
> On Fri, Sep 10, 2010 at 10:25:55AM -0700, Richard Broersma wrote:
> > On Fri, Sep 10, 2010 at 9:56 AM, Gauthier, Dave
> wrote:
> > > Ya, I kinda knew about these approaches. The problem ahs to do
> > > with novice users who don't kno
On Fri, Sep 10, 2010 at 10:25:55AM -0700, Richard Broersma wrote:
> On Fri, Sep 10, 2010 at 9:56 AM, Gauthier, Dave
> wrote:
> > Ya, I kinda knew about these approaches. The problem ahs to do
> > with novice users who don't know about coalesce or or;ing a check
> > ofr nulls. I was hoping there
On Fri, Sep 10, 2010 at 9:56 AM, Gauthier, Dave wrote:
> Ya, I kinda knew about these approaches. The problem ahs to do with novice
> users who don't know about coalesce or or;ing a check ofr nulls. I was
> hoping there was some special regexp expression that would match to a null.
Perhaps t
ekend !
-Original Message-
From: Richard Broersma [mailto:richard.broer...@gmail.com]
Sent: Friday, September 10, 2010 12:19 PM
To: Gauthier, Dave
Cc: pgsql-general@postgresql.org
Subject: Re: [GENERAL] regexp on null
On Fri, Sep 10, 2010 at 9:00 AM, Gauthier, Dave wrote:
> Is there a way to regexp
On Fri, Sep 10, 2010 at 9:00 AM, Gauthier, Dave wrote:
> Is there a way to regexp match on a null value?
I would say no.
> Or is it necessary to OR in a "or x is null"?
you could use a
COALESCE( text_column, '') ~ E'MyRegEx';
Or perhaps:
( text_column ~ E'MyRegEx' ) IS UNKNOWN
might
Hey Dave,
Did you consider to use coalesce() ?
Regards,
Dmitriy
2010/9/10 Gauthier, Dave
> 8.3.4 on Linux
>
>
>
> Is there a way to regexp match on a null value? Or is it necessary to OR
> in a "or x is null"?
>
>
>
> Thanks in Advance !
>
