[Haskell-cafe] [ANNOUNCE] Haskell DBMS: Project:M36

[Andrey Chudnov]

Interesting. I wonder how it compares to IxSet 
(https://hackage.haskell.org/package/ixset) and ACID-State 
(https://hackage.haskell.org/package/acid-state). Could you comment?

On 12/02/2015 12:51 PM, A.M. wrote:
> Hello,
>
> Project:M36 is an open-source, relational algebra engine database
> management system written in Haskell. When used as a backend with other
> Haskell frameworks such as yesod, Project:M36 completes a fully-Haskell
> application stack.
>
> https://github.com/agentm/project-m36
>
> Project:M36 adheres strongly to the relational algebra principles laid
> out by Chris Date in his books and, thus, includes a TutorialD
> interactive interpreter for learning about the relational algebra. Thus,
> Project:M36 does not suffer from the typical type-system impedance
> mismatch or SQL inconsistencies common in ORMs.
>
> Of particular interest to Haskellers is the existentially-quantified
> value type which allows any Haskell data type adhering to a set of basic
> typeclasses to be used directly as a database value. This feature
> includes creating database functions to operate directly on these values.
>
> In addition, the transaction model is similar to git: instead of
> continually contending for the "latest committed" state, the DBMS
> maintains a transaction graph which allows for branching and time travel
> to past commits.
>
> Naturally, through the use of immutable data structures, Project:M36
> opens the door for parallelization of every query.
>
> Project:M36 includes two native Haskell interfacing libraries: a) a
> driver for the "persistent" library and b) a client library which allows
> direct access to the relational algebra DSLs.
>
> Thanks for looking at Project:M36!
>
> Best regards,
> Team Project:M36
>
>
>
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