[Haskell-cafe] Using Haskell types in a database

Tom Ellis tom-lists-haskell-cafe-2013 at jaguarpaw.co.uk
Wed Feb 11 00:00:12 UTC 2015

On Tue, Feb 10, 2015 at 09:02:58PM +0300, Nikita Karetnikov wrote:
> > That part I don't understand.  Why does your proposal require varchars
> > everywhere?
> I assume that Persistent (or its PostgreSQL backend) has a predefined
> mapping from a commonly used Haskell types to the database types.
> And everything else is represented as a varchar.

OK, well that's surprising.  Opaleye by contrast does not force everything
into a varchar.


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