The implementation seems to be done quite fully. There is even a patch
file. Why is the implementation not added into the release of Postgres? As
so much has already being done, what could I do in this case for the Gsoc?

On Sun, Mar 18, 2012 at 6:38 PM, Daniel Farina <> wrote:

> On Sat, Mar 17, 2012 at 8:48 PM, HuangQi <> wrote:
> >     About the second topic, so currently TABLESAMPLE is not implemented
> > inside Postgres? I didn't see this query before, but I googled it just
> now
> > and the query seems very weird and
> > interesting.
> >     Still, do you have any mail thread talking about this?
> I think there may be a few, but there's a nice implementation plan
> discussed by Neil Conway and written into slides from a few years ago:
> He also had his implementation, although at this point some of the
> bitrot will be intense:
> I also seem to remember writing this (to some degree) as a student as
> part of a class project, so a full-blown production implementation in
> a summer sounds reasonable, unless someone has thought more about this
> and ran into some icebergs.  I'm not sure exactly what the blockers
> were to this being committed back in 2007 (not to suggest there
> weren't any).
> I haven't thought enough about skipscan, but there a number more
> unknowns there to me...
> --
> fdr

Best Regards
Huang Qi Victor

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