[OSM-dev] way 7062297, is this new?

[Stefan de Konink]

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Matthias Julius schreef:
> Julison <julisonbr at gmail.com> writes:
> 
>> In what situation would it be necessary use duplicate keys? If there's a
>> need, can we reach the same goal without using it? I think duplicated keys
>> can lead to database problems (e.g. performance) that can be avoid.
> 
> A highway can have multiple refs (A11 could be E22 simultaneously), a
> bulding can have a bakery and a butcher's shop in it and there are
> certainly other examples where a key can have multiple values.

Read how this is solved in the mapfeatures documentation :)



Stefan
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