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

Hey Ertugrul, You are absolutely right and the first item on my todo list is to add better examples. Paul On Sun, Jul 22, 2012 at 5:24 AM, Ertugrul Söylemez wrote:

Hello there Paul,

Paul Visschers 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

-- Not to be or to be and (not to be or to be and (not to be or to be and (not to be or to be and ... that is the list monad.

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