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.
> Another approarch is to use ltree. It's easy and robust.
yeah -- good point.
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