problem solved!  Thanks Mark for the message offlist.

I used something like:

 select threads.* 
 from threads
 left join replies
 on threads.id = replies.tid
 and (threads.stamp > {$weekago} and replies.stamp > {$weekago})
 order by threads.id DESC

Thanks,

Justin


on 19/11/02 9:22 PM, Justin French ([EMAIL PROTECTED]) wrote:

> Hi all,
> 
> Not sure if I should be using distinct, or some sort of complex WHERE query,
> so here goes:
> 
> I have two related tables:
> 
> threads
> id,udi,message,stamp
> 
> replies
> id,thread_id,uid,message,stamp
> 
> (the stamps are unix timestamps)
> 
> 
> What I'd like to do select * from the table threads, selecting all threads
> which
> 
> a) have a unix timestamp within the past week (easy)
> b) have a reply in the replies table within the past week (confused)
> 
> The aim being to show a list of all threads that have been active (posted,
> and/or replied to) within a certain timeframe.
> 
> 
> Getting the tiemstamp for "last week" is easy in PHP, more trying to figure
> out the logic of the query...
> 
> 
> Many thanks,
> 
> Justin French
> --------------------
> http://Indent.com.au
> Web Developent & 
> Graphic Design
> --------------------
> 
> 
> ---------------------------------------------------------------------
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> 

Justin French
--------------------
http://Indent.com.au
Web Developent & 
Graphic Design
--------------------


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