From: | Matthew Phillips <mphillips(at)timing(dot)com> |
---|---|
To: | Matthew Phillips <mphillips(at)timing(dot)com> |
Cc: | pgsql-general(at)postgresql(dot)org |
Subject: | Re: problem selecting rows with null value |
Date: | 2003-03-13 00:54:20 |
Message-ID: | 3E6FD6BC.2030809@timing.com |
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Thread: | |
Lists: | pgsql-general |
Ok I already figured it out:
select * from pleah where bar IS NULL
** IS instead of = **
no need to point out what a bonehead I am.
thanks for your patience.
matthew
Matthew Phillips wrote:
> I am sure that I am doing something subtly wrong with my sql syntax
> here. I thought that it was a timestamp null column issue, but it
> doesn't work with int either. Is there a special way to denote the
> null value in a situation like this that I don't know about?
>
> tsc=# create table pleah(
> tsc(# foo INT NOT NULL,
> tsc(# bar timestamp DEFAULT NULL );
> CREATE TABLE
> tsc=# insert into pleah (foo) values (1);
> INSERT 206475246 1
>
> ###ok here I would just like to select that row that I just
> inserted... but no!
>
> tsc=# select * from pleah where bar = NULL;
> foo | bar
> -----+-----
> (0 rows)
>
> tsc=# select * from pleah;
> foo | bar
> -----+-----
> 1 |
> (1 row)
>
> thanks muchly
> matthew
>
>
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