Re: Outreachy - Guix Data Service: questions about improving the data for derivation comparisons.

[Christopher Baines <mail@cbaines.net>]

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Luciana Lima Brito <lubrito@posteo.net> writes:

> Hi,
>
> This email is mostly addressed to Christopher Baines, due to the
> Outreachy.
>
> In the last email to me, you said this about my next steps on
> contributing:
>
> "In terms of what to do next, you could continue on this derivation
> comparison path. Some of the code you've got here could be used to make
> the data better right when the database is queried. Take the recursive
> field for outputs for example, it would be better to convert it to a
> boolean where the database query is made."
>
> I looked for something related to that in the project and I found
> interesting stuff on comparison.scm, is this the relevant file to make
> the data better? I could see that the queries are made in there.
>
> For example, the test I used for the outputs field "recursive"
> (recursive. ,(string=? recursive 't')) on controller.scm I moved to the
> function derivation-outputs-differences-data on comparison.scm, and it
> worked properly. Is this the kind of change I should be doing?
>
> In case of a yes, which kind of improvements should I be aiming for?
>
> Furthermore, should I try to achieve any improvements to the queries
> itself, or this is not necessary?

Small intentional changes are better, so I'd start just with looking at
some of the data coming out of the query. But yes, I think you're in the
right place. The hard part here is probably to look at how those values
are used in the JSON and HTML rendering code, and adjust that
accordingly.

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