[OSM-dev] Ways and tags to separate tables?

jamesmikedupont at googlemail.com jamesmikedupont at googlemail.com
Thu Feb 4 10:45:35 GMT 2010

you could run a tagscanner tool like I have posted elsewhere and then
just generate a stylesheet.

It would be possible to modify the osm2pgsql tool, I have patches for
it as well. Right now I am a bit busy, but when I have nothing to do;
could look into it.


On Thu, Feb 4, 2010 at 11:34 AM, Jukka Rahkonen
<jukka.rahkonen at mmmtike.fi> wrote:
> Hi,
> Osm2pgsql is fine and fast utility for importing OSM data into PostGIS, but it
> is mainly made for Mapnik rendering. For that it is OK to import just a subset
> of tags and make a wide schema with an own column for each tag.  However,
> sometimes it would nice to get all the tags available in some database.
> Has anybody made yet a tool which separates ways and tags to different tables?
> The way tables could contain just the geometries and OSM_IDs, perhaps separated
> to points, lines and polygons, and tag tables would hold the tags by using
> OSM_ID as a foreign key. Perhaps relations should be pushed to a fourth table
> which accepts all kind of things, including geometry collections. Spatialite
> would be an ideal output for me but I an not sure if is could take in very big
> datasets. I have had troubles in creating bigger that 5 gigabyte spatialite
> databases so perhaps PostGIS would be more safe alternative.
> -Jukka Rahkonen-
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