[OSM-dev] osm2pgsql for 64-bit IDs

[Frederik Ramm]

Hi,

Anthony wrote:
> That's too bad.  More than 90% of node ids are completely useless as
> they refer to only one way.  This is a significant drag on the
> database, 

Yeah well. There are other ways we could reduce "drag" on the database 
but introduce problems. This is one of them ;)

Imagine there's a way with anonymous points and you make a branch off of 
that. You'd have to convert that node to a "proper" node and split the 
linestring. We'd end up with a crippled system like "routable 
shapefiles" where you need an individual linestring for each bit of way 
between two intersections.

As I said, it is very unlikely to happen because the disadvantages 
outweigh the advantages. Maybe someone finds a good way to get rid of 
the disadvantages but nothing has been presented by anyone yet, and I 
doubt there *is* a way to do it.

Bye
Frederik

-- 
Frederik Ramm  ##  eMail frederik at remote.org  ##  N49°00'09" E008°23'33"