Re: PHP and PostgreSQL
| From: | Corey Mosher | Date: | Tue, 04 Jul 2000 19:05:24 +0000 |
| Subject: | Re: PHP and PostgreSQL | ||
| References: | 1 | Groups: | php.general |
| Request: | Send a blank email to php-general+get-4801@lists.php.net to get a copy of this message | ||
I did the following select:
select * from movie where review IS NULL;
this doesn't return any rows and it should return all rows since
all my entries have nothing in the review field.
Corey
On Tue, 4 Jul 2000, Teodor Cimpoesu wrote:
> Hi Corey!
> On Tue, 04 Jul 2000, Corey Mosher wrote:
>
> > the table looks like this:
> >
> > mid serial,
> > title text,
> > year text,
> > review text
> >
> > the query looks like this:
> > $query = "INSERT INTO movie (title, year) VALUES ('$title',
> > '$year')";
> >
> > This should put a null value in review, however, it puts a string of
> > spaces. eg.
> >
> > movie=> select '[' || review || ']' from movie where oid = <the
> > oid num>;
> > ?column?
> > ----------
> > [ ]
> > (1 row)
> sorry, sow your post just after replied the previous one.
>
> I think Postgres did a typecast to string because of the string concatenation.
> What gives "select ifnull(review,'NULL this one') from movie ;" ?
>
> -- teodor
>
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Corey Mosher
Hub.Org Networking Services
Wolfville, NS
Canada
corey@hub.org