GNU bug report logs - #72788
30.0.50; multisession--ensure-db: Symbol’s function definition is void: sqlite-open [2 times]

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Message #34 received at 72788-done <at> debbugs.gnu.org (full text, mbox):

From: Eli Zaretskii <eliz <at> gnu.org>
To: Stefan Monnier <monnier <at> iro.umontreal.ca>
Cc: bugs <at> gnu.support, 72788-done <at> debbugs.gnu.org
Subject: Re: bug#72788: 30.0.50; multisession--ensure-db: Symbol’s function
 definition is void: sqlite-open [2 times]
Date: Sat, 07 Sep 2024 10:43:55 +0300

> From: Stefan Monnier <monnier <at> iro.umontreal.ca>
> Cc: Jean Louis <bugs <at> gnu.support>,  72788 <at> debbugs.gnu.org
> Date: Sat, 31 Aug 2024 10:09:05 -0400
> 
> > Stefan, do we have a way of causing the cl-defmethod dispatch reject a
> > method due to a failed predicate?  The relevant method of
> > multisession.el says:
> >
> >   (cl-defmethod multisession-backend-value ((_type (eql 'sqlite)) object)
> >
> > How can I modify this (or its callers?) to make this implementation be
> > called only if sqlite-available-p returns non-nil?
> 
> AFAIK, the standard way to do that is:
> 
>     (cl-defmethod multisession-backend-value ((_type (eql 'sqlite)) object)
>       (if (not (sqlite-available-p))
>           (cl-call-next-method)
>         ...do the usual thing...))

Thanks, now done on master, and closing the bug.

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