From: | HuangQi <huangqiyx(at)gmail(dot)com> |
---|---|
To: | Daniel Farina <daniel(at)heroku(dot)com> |
Cc: | pgsql-hackers <pgsql-hackers(at)postgresql(dot)org> |
Subject: | Re: Gsoc2012 Idea --- Social Network database schema |
Date: | 2012-03-19 03:11:28 |
Message-ID: | CADf_PzKFWpb3EKfOBOL0z6ikeP6EXfZAX0fF=RsdHfCDv=OcZQ@mail.gmail.com |
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Lists: | pgsql-hackers |
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 <daniel(at)heroku(dot)com> wrote:
> On Sat, Mar 17, 2012 at 8:48 PM, HuangQi <huangqiyx(at)gmail(dot)com> 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.
> http://www.fotia.co.uk/fotia/DY.18.TheTableSampleClause.aspx
> > 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:
>
> http://www.pgcon.org/2007/schedule/attachments/9-Introduction_to_Hacking_PostgreSQL_Neil_Conway.pdf
>
> He also had his implementation, although at this point some of the
> bitrot will be intense:
>
> http://www.neilconway.org/talks/hacking/
>
> 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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