[OSM-dev] Reading OSM History dumps
frederik at remote.org
Mon Aug 23 14:39:50 BST 2010
Scott Crosby wrote:
> My idea is that we assume that a given snapshot of the database at a
> given changeset number is unique.
I don't know if that breaks your whole edifice but the above assumption
is false; changesets are not generally applied in a transaction so at
any one time, hundreds of changesets may be open and may, during the
course of their lifetime, modify the same objects.
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