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

Julison julisonbr at gmail.com
Fri Oct 10 18:41:06 BST 2008


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.

Julison.

2008/10/10 Matthias Julius <lists at julius-net.net>

> Stefan de Konink <stefan at konink.de> writes:
>
> > - I assumed that editors like JOSM, and their behavior was consistent
> > and there is absolutely no useful use of duplicate keys.
>
> Actually, the editors are pretty consistent in not supporting
> duplicate keys, but that doesn't mean that this wouldn't be useful.
>
> I hope nobody disputes that multiple values for one key can be very
> useful.  The question is how this should be implemented.
>
> IMHO, the most naturally implementation is to allow duplicate keys.  I
> consider delimited strings an acceptable workaround.  Especially when
> it is relied upon the user to do the delimiting.
>
> On a second thought, most duplicate values could be avoided by using
> relations.
>
> Matthias
>
> _______________________________________________
> dev mailing list
> dev at openstreetmap.org
> http://lists.openstreetmap.org/listinfo/dev
>



-- 
Julison Mendonça.
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.openstreetmap.org/pipermail/dev/attachments/20081010/3d2a799a/attachment.html>


More information about the dev mailing list