Re: knngist - 0.8
Oleg Bartunov <oleg@sai.msu.su>
From: Oleg Bartunov <oleg@sai.msu.su>
To: Greg Stark <gsstark@mit.edu>
Cc: Tom Lane <tgl@sss.pgh.pa.us>, Robert Haas <robertmhaas@gmail.com>, Teodor Sigaev <teodor@sigaev.ru>, Pgsql Hackers <pgsql-hackers@postgresql.org>
Date: 2010-12-06T14:46:37Z
Lists: pgsql-hackers
On Sat, 4 Dec 2010, Greg Stark wrote: > On Sat, Dec 4, 2010 at 6:07 PM, Oleg Bartunov <oleg@sai.msu.su> wrote: >> We'll sync contrib/btree_gist with current API. Also, we're thinking >> about distance for ltree, boxes, circles. I'm not sure about polygons, >> though. >> So, we'll have rather complete set of knn-fied data types. > > I kind of assumed the natural client for KNN-gist was the tsearch full > text search indexes handling sorting by relevance. For example if I > search for "Postgres DBA" I should find documents where those words > appear adjacent first and documents where the two words appear far > apart in the document sorted further down. Is that not on the list of > operators supported or planned to be supported? We'll start thinking about this once we know how to store coordinate information in index :) Regards, Oleg _____________________________________________________________ Oleg Bartunov, Research Scientist, Head of AstroNet (www.astronet.ru), Sternberg Astronomical Institute, Moscow University, Russia Internet: oleg@sai.msu.su, http://www.sai.msu.su/~megera/ phone: +007(495)939-16-83, +007(495)939-23-83