[Rd] generic database access methods
Prof Brian D Ripley
Mon, 2 Apr 2001 22:56:44 +0100 (BST)
On Mon, 2 Apr 2001, Timothy H. Keitt wrote:
> I have a package ready to distribute for testing. Its actually a package cluster
> with "Rdbi.base" and "Rdbi.PgSQL." I've moved the main read loop out of R and
> into C and now get around 200K integer reads a second (includes copying results
> into a data frame). I'm happy for someone to take over from here (or to propose
> an alternative framework). Perhaps we can make it a group effort (transfer copyright
> to the R project, etc.) I would suggest that we start with the absolute minimal
> interface and add features very carefully. It would be great to see a general
> database framework make it into a future release of R.
(1) We are still trying to figure out how to set up a framework for
discussions of this sort (Martin: any progress on SIG lists)?
(2) It is unlikely that this will `make it into a future release of R', as
our aim is to make R smaller not larger. Rather, what we would like (I
believe) is a `Recommended Package' that fits alongside R. We intend to
unbundle quite a lot of what is already there so R has a small kernel and
lots of addons. There are practical reasons (embedding in other
applications) as well as aesthetic ones.
(3) This is an area where common solutions across R/S would be very
Lots of things came out of the Vienna meeting, and some of us at least
had/have still to catch up on our day jobs too, so please bear with us
while we get things set up. A unified databases interface is definitely on
Brian D. Ripley, email@example.com
Professor of Applied Statistics, http://www.stats.ox.ac.uk/~ripley/
University of Oxford, Tel: +44 1865 272861 (self)
1 South Parks Road, +44 1865 272860 (secr)
Oxford OX1 3TG, UK Fax: +44 1865 272595
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