On Tuesday 16 November 2004 14:29, Gary Stainburn wrote:
> Hi folks.
>
> I'm looking at the possibility of implementing a photo gallery for my
> web site with a tree structure
> How would I go about creating a view to show a) the number of photos in
> a gallery and b) the timestamp of the most recent addition for a
> gallery, so that it interrogates all sub-galleries?
nested-tree helps you
associate a numeric interval [l,r] with each record of a tree
and let father interval include all its children intervals
and brother intervals never intersect
see the article http://sf.net/projects/redundantdb
for detailed examples and templates
