[OSM-dev] Why is ford=yes not rendered in the default style?

[Gerd Petermann]

Mateusz Konieczny-2 wrote
> On Thu, 26 Nov 2015 03:24:25 -0700 (MST)
> Gerd Petermann <

> gpetermann_muenchen@

> > wrote:
> 
>> OK, thanks for the quick feedback. The term "technically not possible"
>> seems to mean that I cannot help to fix it ?
> 
> Anybody can help, but it requires some additional knowledge. For start
> "There's nothing published about moving a style to hstore and making
> schema choices based on data." (quoting
> https://github.com/gravitystorm/openstreetmap-carto/issues/1975 ).
> 
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> https://lists.openstreetmap.org/listinfo/dev

Well, I have nearly no knowledge regarding the underlying database
system (DB) PostgreSQL, but I am eager to find out why the rendering of
accepted
attributes require changes in the system architecture. 
My understanding so far:
- ford=yes is only one of many attributes which are well documented but not
rendered.
- Whatever DB design is used now is considered to be unable to store more 
attributes without changing the DB design.
- it was decided that the new design has to use hstore
- nobody has made progress understanding how hstore works since then. 

Maybe it is time to go back one step and ask if hstore is the only possible
solution?

Gerd








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