Re: [Monotone-devel] database compaction

[Thomas Moschny]

On Wednesday 17 October 2007, Markus Schiltknecht wrote:
> I'm not sure why exactly heights haven't been stored in the revisions
> table from day one on, but I certainly think it's a good idea.

That was motivated by the fact that heights are only there for optimization 
reasons. They are caching the topological ordering of all revisions present 
in the database and thus don't represent first-order information. The heights  
can be thrown away and regenerated at any time (like rosters). So, we wanted 
to keep that information separately.

- Thomas

-- 
Thomas Moschny  <address@hidden>

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