[Zope] Batches in ZPT: not stateful, yet...

[Tom Emerson]

Chris McDonough writes:
> The state (batch_size, next_batch_start, etc.) is typically kept in the
> query string.

Right, I got that. But the batch itself: if I have a SQL method that
is returning a result set, is that called for each subset of records
in the batch? 

> - C
> 
> 
> On Tue, 2003-01-21 at 17:35, Tom Emerson wrote:
> > Greetings,
> > 
> > I have a question about batches in ZPT (and in <dtml-in>, for that
> > matter.) Given the stateless nature of HTTP, how is the batch itself
> > persisted across calls to display a portion of the batch? For example,
> > if I get a database search returning several hundred (or thousand)
> > rows, of which I display 50 at a time, I (or Batch) presumably needs
> > to cache those values somewhere: or is it assumed that the sequence
> > will be regenerated within the bounds set?
> > 
> > TIA,
> > 
> >     tree
> -- 
> Chris McDonough <chrism@zope.com>
> Zope Corporation

-- 
Tom Emerson                                          Basis Technology Corp.
Software Architect                                 http://www.basistech.com
  "Beware the lollipop of mediocrity: lick it once and you suck forever"