| From: | Adrian Klaver <adrian(dot)klaver(at)gmail(dot)com> |
|---|---|
| To: | Michael Sacket <msacket(at)gammastream(dot)com> |
| Cc: | PG-General Mailing List <pgsql-general(at)postgresql(dot)org> |
| Subject: | Re: NULL value comparison |
| Date: | 2012-08-22 13:30:46 |
| Message-ID: | 5034DF06.8000801@gmail.com |
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| Thread: | |
| Lists: | pgsql-general |
On 08/22/2012 06:23 AM, Michael Sacket wrote:
> Good Day,
>
> I'm trying to figure out why a postgresql query doesn't return what I'd expect with a query like this where there are NULL values:
>
> select * from users where is_enabled<>'Y';
>
> I'm expecting it to return all records where is_enabled is 'N' or NULL. Perhaps my expectations are misguided. Any thoughts would be appreciated.
See below for explanation:
http://www.postgresql.org/docs/9.1/interactive/functions-comparison.html
>
> Thanks!
> Michael
>
--
Adrian Klaver
adrian(dot)klaver(at)gmail(dot)com
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