[OSM-talk] osm2pgsql hstore (was: Wind turbines no longer rendered on mapnik layer)

[Nathan Edgars II]

On 2/16/2012 6:00 PM, Jochen Topf wrote:
> Generic key names can be confusing, especially when one OSM object is used for
> multiple things. Say there is a way tagged as railway and at the same time this
> way is part of an area tagged as a generating station. Does "power_source" mean
> the type of generating station or the type of power used by the railway
> (overhead vs. third rail vs. unelectrified)? I hope this example is
> hypothetical, but people do strange things in OSM...

A better example is a highway=service service=alley with a railway=rail 
service=spur down the middle.