On 28 January 2010 14:03, andrzej zaborowski <[email protected]> wrote:
> On 28 January 2010 14:51, Pieren <[email protected]> wrote: > > But what happens if someone replaces your imported node with a new one or > > the node is deleted or someone just changes your primary key for fun ? > > I think it would be better to keep the node_id or way_id (building) in > your > > own database and check regularly if your element is still at the right > > location (with some tolerance) with the right tags (with some tolerance) > . > > Then if the POI has been removed, check if the same one has not been > > recreated around. > > This seems hopelessly complicated, the way I've imagined importing > this kind of data (haven't done it myself) and keeping it up to date > is as you say, keeping the node Id / way Id in a local table together > with the version. If the version has changed the next time you want > to update, you leave this hotel out and never touch it again with your > automated scripts. The changed version means that the community has > picked up the maintenance of this place and you don't need to bother > anymore. > +1 Plus in all likelihood, it won't be very far away and will be probably limited to only a few changes, so finding it shouldn't be a problem. Emilie Laffray
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