On Sun, Jan 29, 2012 at 5:55 AM, Dmitriy Igrishin <dmitigr(at)gmail(dot)com> wrote:
>> The point here is that you can exploit the tree structure with a btree
>> index. Before we got recursive queries, this was often the best way
>> to do it, but now it's kind of a niche solution to be used when
>> certain things fall into place.
>>
>> merlin
>
> Another approarch is to use ltree. It's easy and robust.
> http://www.postgresql.org/docs/9.1/static/ltree.html
yeah -- good point.
merlin