following data-set: languages dynamic python ruby static c c++ java >>> Category.create(name='java', path='languages.static.java') # last one... >>> Category.get(name='python').path 'languages.dynamic -1, 1, 'leaf')]) >>> for cat in q: ... cat.leaf languages dynamic static python ruby c cpp java >>> q = Category.select([lindex('path', 'static', 'static_pos')]) >>> [x.static_pos for x in q]

• languages – dynamic * python * ruby – static * c * c++ * java >>> Category.create(name=’java’, path=’languages.static.java’) # last one... >>> Category.get(name=’python’).path ’languages.dynamic lsubpath(’path’, -1, 1, ’leaf’)]) >>> for cat in q: ... cat.leaf languages dynamic static python ruby c cpp java >>> q = Category.select([lindex(’path’, ’static’, ’static_pos’)]) >>> [x.static_pos for x in q] [-1