Heikki Linnakangas <heikki.linnakangas@xxxxxxxxxxxxxxxx> writes: > The existing opclasses only support distance-to-a-point, but I believe > the KNN gist code is flexible enough that it could be used for distance > to the edge of a shape as well. Someone just needs to write the > operators and support functions. The distance has to be exactly computable from the index entry, so you'd need to store the whole shape in the index, not just a bounding box. Not sure how practical that will be for complex shapes. regards, tom lane -- Sent via pgsql-performance mailing list (pgsql-performance@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-performance
