On Tue, Mar 6, 2012 at 4:01 PM, Alvaro Herrera
<alvherre@commandprompt.com> wrote:
> Why do we need a ticker? Just fetch the time of the task closest in the
> future, and sleep till that time or a notify arrives (meaning schedule
> change).
Because that can't be done in userland (at least, not without stored
procedures) since you'd have to keep an open running transaction while
sleeping.
merlin
