OK then. Up until now, the discussion had made it sound as if the changes in question had happened recently, rather than years ago.
------Original Message------ From: Tom Hughes To: John Eldredge Cc: OpenStreetMap talk mailing list Subject: Re: Fwd: Fwd: Re: collateral damage (was: What the licensechangeisgoing to do to the map) Sent: Feb 10, 2011 8:28 AM On 10/02/11 14:16, [email protected] wrote: > Since the OSM changes are stored in a database, if the database log stores > records of changes, normal procedures for rolling back changes would have > included rolling back the deletions. So, either someone used the database > rollback but didn't select the full range of actions to be rolled back; or > else, someone manually deleted the nodes instead of using the built-in > rollback action. I know of no database with any sane way to go pack and cherry pick a series of ancient (up to several years old in this case) transactions and then roll them back. In this case I believe the edits go back before we moved to postgres anyway so (a) the current database wouldn't have logs for all the changes even if it never clean up old logs and (b) before that edits were not done in database transactions anyway. Tom -- Tom Hughes ([email protected]) http://compton.nu/ -- John F. Eldredge -- [email protected] "Reserve your right to think, for even to think wrongly is better than not to think at all." -- Hypatia of Alexandria _______________________________________________ talk mailing list [email protected] http://lists.openstreetmap.org/listinfo/talk
