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

Ian Dees ian.dees at gmail.com
Thu Oct 9 03:44:38 BST 2008


On Wed, Oct 8, 2008 at 9:35 PM, Stefan de Konink <stefan at konink.de> wrote:

>
>
> No way! The database[1] uses indexing under the hood automatically. So
> every created_by k or JOSM v is automatically indexed. This gives a
> significant space reduction plus fast lookup.
>
> Next to that it is very easy now to do lookups like done in OSMXAPI,
> which I wrote my own implementation for.
>
>
So you do want to use tag lookups. Ok, just add an extra numeric value to
your primary key of {wayid,k} so that it looks like {wayid,k,number}. When
you insert, look for duplicate tag keys and change the "number" when you
find a duplicate.
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