Added to TODO:

* Support table partitioning that allows a single table to be stored
  in subtables that are partitioned based on the primary key or a WHERE
  clause


---------------------------------------------------------------------------

Josh Berkus wrote:
> Hannu,
> 
> > If you don't get it, contact me as there is a small possibility that I
> > know a company interested enough to fund (some) of it :)
> 
> Enough people have been interested in this that if we get our acts together, 
> we may do it as multi-funded.   Easier on our budget ...
> 
> > As these are already discussed in this thread, I'll try to outline a
> > method of providing a global index (unique or not) in a way that will
> > still make it possible to quickly remove (and not-quite-so-quickly add)
> > a partition.
> <snip>
> > To repeat - the global index over partitioned table should have te same
> > structure as our current b-tree index, only with added map of 128k index
> > partitions to 1G subfiles of (possibly different) tables. This map will
> > be quite small - for 1Tb of data it will be only 1k entries - this will
> > fit in cache on all modern processors and thus should add only tiny
> > slowdown from current direct tid.page/128k method
> 
> I think this is a cool idea.  It would need to be linked to clustering, so 
> that each partition can be an iteration of the clustered index instead of a 
> specifc # of bytes.  But it would give us the "fully automated partitioning" 
> which is one fork of the two we want.
> 
> Plus I'm keen on any idea that presents an alternative to aping Oracle.
> 
> How difficult would your proposal be to code?
> 
> -- 
> Josh Berkus
> Aglio Database Solutions
> San Francisco
> 
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