Re: [postgis-users] split line at polygon edge

2016-03-20 Thread RĂ©mi Cura
Hey, in theory st_intersection already uses index and st_intersects under the hood, I personally prefer to explicitly add it, as I found it more easy to understand. What you didn't take into account is that you may get multiline, for instance if your polygon is a U, and the line cross it left to

Re: [postgis-users] Slow performance when selecting a geometry column

2016-03-20 Thread David Robison
So there is a total of over 560,000 points in the 8000 records returned. I would have assumed that it was simply returning the contents of the geometry column and that the number of points (albeit they take up space) would not affect the select time. Is PostGIS doing something with the