Re: using subselects

lawpoop(at)gmail(dot)com wrote:
> I'm creating a select list on a web form for adding a new user to a
> project. I want to select users from the user table, who aren't
> already listed in the join table under that project.
>
> Here's my select:
> SELECT * FROM users
> WHERE user_id <> $current_user_id
> AND user_id <> ( SELECT user_id FROM user_projects WHERE project_id =
> $project_id )
>
> This query returns no rows, even on projects that have no records in
> the user_projects table!

I suppose you meant to use: AND user_id NOT IN (SELECT user_id FROM ...)

Regards,
--
Alban Hertroys
alban(at)magproductions(dot)nl

magproductions b.v.

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