[OSM-dev] osm2pgsql can parse diffs now (for testing anyway)

[Andy Allan]

On Wed, Jul 9, 2008 at 4:43 PM, Martijn van Oosterhout
<kleptog at gmail.com> wrote:
> After a kind reminder this morning that this hadn't been done yet I
> spent the day coding this. Basically it all works except for two
> things:
> - If a member of a relation changes, the relation isn't updated (can
> be worked around)
> - If a parking area changes, it doesn't delete the old parking node.
>
> Modulo plain bugs ofcourse!
>
> The first issue is a Simple Matter Of Programming, which I hope to get
> around to soon. The second issue is thornier and I havn't got a good
> solution for that yet. I have a possible ugly solution though, if it
> comes down to it :)
>
> Usage is simple enough. first load your planet dump with --slim mode
> (if you have the memory, give it a big cache):
> osm2pgsql --slim my-planet-extract.osm.gz
> After that you can use:
> osm2pgsql --slim -a my-daily-diff.osc.gz
> To apply the patch.
> Don't forget the -a, or you'll blow away the database you've got.

Is chaining multiple diffs supported? E.g.

osm2pgsql --slim planet.osm.gz
osm2pgsql --slim -a thursday.osc.gz
osm2pgsql --slim -a friday.osc.gz

...etc?

Cheers,
Andy