[Talk-us] Fwd: Re: [OSM-talk] Mapquest launches site based on OSM!

Phil! Gold phil_g at pobox.com
Sun Aug 8 15:03:26 BST 2010

* Phil! Gold <phil_g at pobox.com> [2010-08-08 09:41 -0400]:
>   SELECT road.highway, route.network, route.ref
>     FROM planet_osm_line road
>       JOIN route_members ON road.osm_id = route_members.road_id
>       JOIN planet_osm_line route ON route_members.postgis_id = route.osm_id

I was doing this from memory...  Those JOINs should be LEFT JOINs, of
course, because most roads are not members of route relations.

...computer contrarian of the first order... / http://aperiodic.net/phil/
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