Matt Amos wrote: > On Sat, May 23, 2009 at 1:00 AM, Frederik Ramm <[email protected]> wrote: >> SteveC wrote: >>> The SQL and filtering to get all the nodes in a bbox, then see if they >>> were still actually within the bbox, sort, etc... was non-trivial. >> The main difficulty at that time probably was the SQL to return the "latest >> version only" of each object. Matt won't have that problem because even if >> he wants to return deleted objects, he can ignore the history tables - we >> have the deleted objects in the current tables as well. (Plus, you didn't >> have people with a degree in aeronautics. And very few Germans.) > > this is OK for the nodes, but we still need to look at the history > tables for the way nodes since the deleted version of the way in > current_way_nodes is empty (ditto for relations). at this point i'm > simply fishing to find out if people think its a good feature. it may > turn out that it is expensive to implement, in which case we'll have > to try something else ;-)
Isn't the problem here actually the reuse of a node? For example it was moved. If show a deleted way it would still depend on the latest data, hence not the data when a change was made? Stefan _______________________________________________ dev mailing list [email protected] http://lists.openstreetmap.org/listinfo/dev
