[OSM-talk] Converting buildings from nodes to ways

andrzej zaborowski balrogg at gmail.com
Wed Dec 29 22:24:56 GMT 2010


On 29 December 2010 23:12, Anthony <osm en inbox.org> wrote:
> On Wed, Dec 29, 2010 at 4:44 PM, andrzej zaborowski <balrogg en gmail.com> wrote:
>> Well, this still needs a change in the database schema and the API
>> because currently there's no such attribute that the editors could
>> use.
>
> If you're going to change the database schema, I vote for just making
> IDs unique across all object types.  Dealing with enums in
> relation_members makes constructing efficient joins such a pain.

Personally I'd like to see that too, but a new attribute for storing
object's ancestry gives a little more flexibility because objects can
have multiple children or parents, for operations like way splits and
joins.

Cheers



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