Tag Info

Hot answers tagged

1

Given Paul Ramsey's excellent explanation of why the next question is what can be done about it. How do you SELECT DISTINCT on geometry fields and have it perform as expected? In Paul's answer, I proposed using SELECT MAX(geom) FROM the_table GROUP BY ST_AsBinary(geom); but MAX() is slow, apparently requiring a table scan. Instead, I found this to be ...



Only top voted, non community-wiki answers of a minimum length are eligible