On Wed, Dec 11, 2013 at 2:29 PM, Janek Sendrowski <jane...@web.de> wrote:
> Hi, > > How can I use this ORDER BY using index feature presented in this > implementation. > It doesn't seem to be in use, when I have a look in my query plan. > It still does an cost intensive Bitmap Heap Scan and a Bitmap Index scan. > I also can't find the "><" operator in any introduction of the tsearch2 > extension. > Is it just an idea? > A GIST is a tree, but there's no notion of ">" or "<", only yes/no at each tree branch. In this regard a GIST index is more like a hash table. You can't use a hash table to sort. It doesn't make sense. Craig > Thanks for your help! > Janek Sendrowski >
