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 > > ---------------------------(end of broadcast)--------------------------- > TIP 7: don't forget to increase your free space map settings > -- Bruce Momjian | http://candle.pha.pa.us pgman@candle.pha.pa.us | (610) 359-1001 + If your life is a hard drive, | 13 Roberts Road + Christ can be your backup. | Newtown Square, Pennsylvania 19073 ---------------------------(end of broadcast)--------------------------- TIP 7: don't forget to increase your free space map settings