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> 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
In reply to Re^4: searching polygons not merged
by LanX
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