[Haskell-cafe] Relational Algebra library: first version on GitHub

Paul Visschers mail at paulvisschers.net
Sun Jul 22 11:16:28 CEST 2012

Hey Ertugrul,

You are absolutely right and the first item on my todo list is to add
better examples.


On Sun, Jul 22, 2012 at 5:24 AM, Ertugrul Söylemez <es at ertes.de> wrote:

> Hello there Paul,
> Paul Visschers <mail at paulvisschers.net> wrote:
> > A couple of weeks ago I asked if there was interest in a library that
> > implements a type-safe relational algebra. The response was positive,
> > so I have spruced up the code I had a bit and created a repository on
> > GitHub at:
> >
> > https://github.com/PaulVisschers/relational-algebra
> >
> > It is a very rudimentary version. The code is not documented and there
> > is only a very basic example database in Test.hs. It might be helpful
> > to look at HaskellDB's PrimQuery and PrimExpr, as this library is
> > mostly a direct copy from that (but typed). I will add some decent
> > examples of expressions and queries shortly.
> >
> > If you check it out, please comment on it and let me know if you want
> > to contribute. Since this is going to be my first release, any
> > feedback is welcome.
> Well, the demonstration could be a bit more comprehensive.  I would be
> very interested in seeing queries, especially nontrivial ones with joins
> and such.
> Would you mind writing a more comprehensive demonstration?
> Greets,
> Ertugrul
> --
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> (not to be or to be and ... that is the list monad.
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