[Haskell-cafe] [ANN] relational-record - relational-algebraic query building DSL

Justin Bailey jgbailey at gmail.com
Fri Dec 19 16:07:39 UTC 2014

On Fri, Dec 19, 2014 at 4:44 AM, Tom Ellis
<tom-lists-haskell-cafe-2013 at jaguarpaw.co.uk> wrote:
> Opaleye uses arrows only because it is hard to implement a sensible
> semantics otherwise.  See, for example, this bug report on HaskellDB which
> used a monad rather than an arrow

I'm curious how arrows make it easier to deal with aggregation? Sounds
pretty interesting ...


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