booo

class Node:
    def __init__(self,value):

        self.left = Leaf()
        self.right = Leaf()
        self.value = value
        self.maxima = value.high

    def search(tree,interval):
        if interval.low > tree.maxima:

booo

CREATE FUNCTION public.hs_2json(hs hstore) RETURNS text AS $$
DECLARE
  rv text;
  r record;
BEGIN
  rv:='';
  for r in (select key, val from each(hs) as h(key, val)) loop
    if rv<>'' then
      rv:=rv||',';
    end if;