On Wed, 2008-07-09 at 16:23 +0800, Craig Ringer wrote:
> Especially if it returned an updated row count or supported the
> RETURNING clause, so you could find out after the fact what was or
> wasn't done.
Well, it is supposed to be used as "SELECT ... FOR UPDATE SKIP LOCKED",
so you can in fact put the locked row ids in the target list. With a
"LIMIT 1" appended would be the perfect way to check out the next queue
item to process...
Cheers,
Csaba.