Different problem my suggestion was an alternative to having to repeat the row:

Park(fid:32,geom:Polygon, name:String, Lake(fid:21):SimpleFeature, 
POI:SimpleFeature)
Park(fid:32, geom:Polygon, name:String, Lake(fid:22):SimpleFeature, 
POI:SimpleFeature) 

Or have a List:
Park(fid:32, geom:Polygon, name:String, l:List<SimpleFeature>, 
POI:SimpleFeature) 

-- 
Jody Garnett


On Wednesday, 22 June 2011 at 6:04 PM, Andrea Aime wrote:

> On Wed, Jun 22, 2011 at 9:46 AM, Jody Garnett <[email protected] 
> (mailto:[email protected])> wrote:
> > First +1 looks great; and thanks for providing readable code examples (the 
> > best way to sort out if the result will be readable).
> > 
> > Have you considered using multiplicity to handle the issue of one or more 
> > features being returned on a join? To steal from your example: 
> > 
> > Park(geom:Polygon, name:String, l:SimpleFeature, l:SimpleFeature, 
> > POI:SimpleFeature) 
> > I know that steps away from simple features.
> 
> Isn't that already addressed by having multiple join statements with same 
> feature type, but different alias? 
> And no, you can't have two attributes with the same name (not even in SQL or 
> WFS joins)
> 
> Cheers
> Andrea
> 
> 
> 
> -- 
> -------------------------------------------------------
>  Ing. Andrea Aime
> GeoSolutions S.A.S.
> Tech lead
> 
> Via Poggio alle Viti 1187
> 55054 Massarosa (LU)
> Italy
> 
> phone: +39 0584 962313
> fax: +39 0584 962313
> 
> http://www.geo-solutions.it
> http://geo-solutions.blogspot.com/
> http://www.youtube.com/user/GeoSolutionsIT
> http://www.linkedin.com/in/andreaaime
> http://twitter.com/geowolf
> 
> -------------------------------------------------------

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