Split code that's not generated in Hercules.Database

[domenkozar]

For example:

instance ElmType Project where

Or check if upstream provides a way to add extra instances for each type.

[domenkozar]

@expipiplus1 do you think we could use something like https://github.com/ndmitchell/derive to separate deriving things?

[expipiplus1]

I think all that we need to derive can be done with template Haskell or ghc-mod at the moment. Was their anything you had in mind?

[domenkozar]

Yes, deriving Generic, ToJSON and others could be done with template Haskell. I'm not sure what other changes we did, but we can diff :)

[expipiplus1]

Oh, do you mean the deriving in the generated Database files?

On Tue, 3 Jan 2017 at 18:17 Domen Kožar [email protected] wrote:

Yes, deriving Generic, ToJSON and others could be done with template Haskell. I'm not sure what other changes we did, but we can diff :)

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[domenkozar]

Yes, since opaleye-gen does add Generic instances, we'd have to derive them in separate file. Seems like https://github.com/ndmitchell/derive can do that for use using TH.

[expipiplus1]

the documentation for opaleye-gen recommends using it as a starting point for further modification, and not as a tool to be run on every db update. Just putting that here, we don't have to do it that way.