[Imports] New Orleans: importing buildings and addresses

Richard Welty rwelty at averillpark.net
Wed Oct 22 14:09:34 UTC 2014


On 10/22/14 10:03 AM, Eric Ladner wrote:
>
> I agree with Jason's comments on the ID, though. Post-import, it's 
> pretty useless.  I think the idea is that it would be useful several 
> years down the road when a new data dump is taking from an upstream 
> source to match changed buildings, but there's no guarantee that the 
> ID's from the external source would even be consistent (i.e. the 
> building on the corner of Dauphine and Contie with ID=1234 may not 
> have the same ID 2 years from now after the upstream system goes 
> through upgrades, software changes, etc.)
+1. as serge is fond of pointing out, many imports have gone to the 
trouble of
preserving ids with the idea that they'll help with conflation of 
updated data
sets years down the line. there are no known examples of this actually 
happening.

richard

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