bug#33407: Cuirass is dropping the SQLite error message when rethrowing

["Björn Höfling" <bjoern.hoefling@bjoernhoefling.de>]

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On Fri, 16 Nov 2018 21:51:49 +0100
ludo@gnu.org (Ludovic Courtès) wrote:

> Hello,
> 
> Björn Höfling <bjoern.hoefling@bjoernhoefling.de> skribis:
> 
> > is this a bug or by intention?
> >
> > In src/cuirass/database.scm, in the db-add-* procedures, we have a
> > catch-clause like this:
> >
> > (with-db-critical-section db
> >   (catch 'sqlite-error
> >     (lambda ()
> >       <thunk-body>)
> >     (lambda (key who code message . rest)
> >         ;; If we get a unique-constraint-failed error, that means
> > we have ;; already inserted the same checkout.  That happens for
> > each input ;; that doesn't change between two evaluations.
> >         (if (= code SQLITE_CONSTRAINT_PRIMARYKEY)
> >             #f
> >             (apply throw key who code rest))))))
> > -------------------------------------^
> >
> > Here the message is not re-thrown.
> >
> > It would have made my life easier if I saw this message:
> >
> >   "NOT NULL constraint failed: Builds.system"  
> 
> Oops, good catch!  Fixed in commit
> d0ed3341d7201d0332e9aeb0af80e0ec635aeb1e.
> 
> I also factorized the exception handler in the previous commit because
> there were 3 copies of this bug…

That's quick. Thank you,

Björn

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