[OSM-dev] What should the changeset api do?

Matt Amos zerebubuth at gmail.com
Sun Oct 12 00:37:25 BST 2008


On Sun, Oct 12, 2008 at 12:32 AM, Frederik Ramm <frederik at remote.org> wrote:
> Matt Amos wrote:
>> yeah, maybe its worth having a previous_version column in
>> current_(nodes|ways|relations) for efficient lookup?
>
> Mh. *That* would always be version-1 (version is auto-incremented on every
> update).

would it? would it be worth not assuming this? we could allow other
version ID allocations. for example, i think it would be useful to
allocate version IDs globally, like subversion does, so that each
version ID uniquely identifies all elements which were atomically
committed together.

cheers,

matt




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