http://qs321.pair.com?node_id=1224780


in reply to Re^3: searching polygons not merged
in thread searching polygons not merged

> USING spgist(p);

I'm not an expert on those index implementations but the website lists limitations: https://www.postgresql.org/docs/9.2/static/spgist-implementation.html

Like expected it seems to implement a quadtree to narrow down possible candidates.

This would have been my first choice for a pure Perl solution.

Cheers Rolf
(addicted to the Perl Programming Language :)
Wikisyntax for the Monastery FootballPerl is like chess, only without the dice