[OSM-dev] osm schema/dtd - planet and request timestamp

[Tom Hughes]

Florian Lohoff wrote:
> On Tue, Sep 09, 2008 at 12:37:14PM +0100, Tom Hughes wrote:
>> Florian Lohoff wrote:
>>
>>> No need for object versioning here - I want to enable everyone to look
>>> at when the data was generated and from which database state.
>> Well for planet that's simple - it isn't generated from any particular 
>> state but rather contains some combination of the states over a period 
>> of a number of hours as it is created.
>>
>> So there is no single timestamp we could report.
> 
> SO why does the planet export and/or the osc change files have
> timestamps in their filename? Its a snapshot timestamp and thats the one
> i am interested in. It says that the state i am dumping, and thats what
> the map api call does for a bbox, is current up to date X.

Planet dumps don't - they only have a date.

Tom

-- 
Tom Hughes (tom at compton.nu)
http://www.compton.nu/