[OSM-dev] Data corruption :) II

[Simon Ward]

On Wed, Nov 26, 2008 at 02:26:27PM +0100, Frederik Ramm wrote:
> I have never used that distinction for anything. It is implicit in the 
> object id anyway - any node that is less than the maximum id has existed 
> at some point in time because we have auto increments ;-) and any node 
> with a higher id that the maximum has never existed.

That a sequence is actually contiguous is a big assumption and probably
dependent on the DBMS.  What the current spec says is a different matter
(I don’t know, SQL92 certainly doesn’t define sequences).

Simon
-- 
A complex system that works is invariably found to have evolved from a
simple system that works.—John Gall
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