[Haskell-cafe] I'd like start with Haskell, but...

Mark Wassell mwassell at bigpond.net.au
Sat Dec 16 15:21:58 EST 2006


Take a look at http://www.haskell.org/haskellwiki/HGene which uses HSQL 
and Gtk2hs. I don't have any code to release yet - only parts work and 
the code is in an extreme state of flux; I am currently refactoring (see 
my post on monads).

More generally you might be interested in the other page that I have started



Duncan Coutts wrote:
> On Sat, 2006-12-16 at 19:50 +0100, Waldemar Biernacki wrote:
>> Hello! 
>> I'd like to start programming in Haskell.
>> But as an "industry programmer" I have a hope to use Haskell in my every-day 
>> work. Big part of my every-day work are GUI applications (in MS-Windows) 
>> working with SQL databases (PostgreSQL on Linux servers).
>> My question: Is there a TRUE possibility to use Haskell for such applications? 
>> Is anybody there who have ANY experience in the field?
>> If answer would be positive what GUI+database libraries could be used in such 
>> a case?
> I don't actually know of anyone using one of the GUI libs in combination
> with one of the DB libs. It's an obvious thing to do but you'll not find
> a lot of pre-existing examples or infrastructure to help you.
> That's certainly one of the use cases that we're aiming for in the
> Gtk2Hs project with our new api for the list/tree widget system. We can
> now more easily implement the data model in Haskell so the obvious thing
> to try would be a model based on a DB query. We're aiming for a Gtk2Hs
> release with this new api before xmas.
> For databases there are three major libs you could use, HDBC, HSQL, and
> HaskellDB. HSQL and HDBC are in essentially the same niche, they provide
> a common medium level api to a bunch of different db backends. They work
> at the level of taking SQL strings and returning result sets. HaskellDB
> is a higher level library (that can use HDBC or HSQL). It provides a
> type safe way of constructing queries (and internally generates SQL).
> So personally what I'd try would be Gtk2Hs+HDBC or Gtk2Hs+HDBC+HaskellDB.
>> I've seen some GUI libraries web pages, but they seem to be NOT maintenanced 
>> any more. 
> There are several GUI libs that were started but not maintained. The
> main ones that are maintained are Gtk2Hs and wxHaskell.
> For platform support you're fine, all those DB libs support PostgreSQL
> and both GUI libs support Windows, Linux and others.
> Duncan
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