Database interfaces?

Christopher Milton cmiltonperl at yahoo.com
Wed Jan 14 14:53:12 EST 2004


--- Daan Leijen <daanleijen at xs4all.nl> wrote:
> On Tue, 13 Jan 2004 19:01:41 -0800 (PST), Christopher Milton
> <cmiltonperl at yahoo.com> wrote:
> > What happened to the Haskell database interfaces project?
> 
> Hi Christopher,
> 
> I don't know exactly what the "Haskell database interfaces project" is, but
> here are some developments that you might want to know about:

Dominic Steinitz was leading an effort back in Jan/Feb 2003, but it seemed
to fizzle out, or at least I never heard about it again.

> 1) Krasimir Angelov's HSQL toolkit provides (untyped) access to ODBC, MySQL
> and
>     PostgresSQL databases. It doesn't return meta information yet.
>     <http://htoolkit.sourceforge.net/>
> 
> 2) wxHaskell has extensive ODBC support (but only tested on windows as yet).
>     also untyped but with meta-information.
>     <http://wxhaskell.sourceforge.net/doc/Graphics.UI.WXCore.Db.html>
> 
> 3) Haskell/DB is being revived to provide typed access to databases. This
>     is a student project at Chalmers. You can reach them at
>     <dp03-7 at mdstud.chalmers.se>, and I think it was Anders Höckersten who
>     is doing it?
>     Now that Haskell has functional dependencies, you can mimick just enough
>     of TREX with nested cartesian products to use HaskellDB without TREX.
>     I think they use HSQL for the low-level access :-(  (that is meant
> funny:-)

Typed access, that's exactly it. I'll have to contact the folks at Chalmers.

Thank you.

Chris

=====
Christopher Milton
cmiltonperl at yahoo.com


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