[Gllug] OT: MySQL : arrgh no subqueries

[Ian Norton]

as it happens, it is in perl :-)

apart from using 2 queries instead of one to create this (not very often used)
list of stuff i think i will stick with deleting it, actually means less
headaches later when things refer to groups that shouldnt be there any more,
but really actually turn out to be there anyway:-)

self->confused(1);

Ian

On Wed, Jul 09, 2003 at 07:40:14AM -0400, Ian Scott wrote:
> > SELECT Content.name, Groups.gid, Groups.groupname
> > FROM Content.Groups
> > WHERE Content.gid = Groups.gid;
> > All works nicely,
> > but,
> > If an item in Content is owned by a Group that has been deleted from
> > Groups
> > then it is totally omitted in the above results,
> > What i want is to return the Content.name of all the objects that were
> > not
> > listed from Content by the previous query,
> > confused yet?
> > 
> 
> Lateral thoughts:
> 
> 1)How about capturing the results from
> select name,gid from Content;
> select gid from groups;
> and parsing the two with perl/shell/sinclair basic/whatever turns you on?
> 
> 2) Don't delete groups.  Have a isDeleted flag instead, so you get around this
> problem in future.
> 
> Ian
> 
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