[Koha-bugs] [Bug 22437] Subsequent authority merges in cron may cause biblios to lose authority information

[bugzilla-daemon at bugs.koha-community.org]

https://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=22437

--- Comment #21 from Marcel de Rooy <m.de.rooy at rijksmuseum.nl> ---
(In reply to Phil Ringnalda from comment #18)
> I'm not convinced that the sample data is actually linked in a way that
> lends itself to linking tests. At least for me, yes, authid 35 is linked to
> 9 bibs, but none of them actually should be linked to it, since it's a
> uniform title in Portuguese and the linked bibs are all Perl books, claiming
> that the subject heading for Perl is linked to that Saramago uniform title.
> There might be an interesting bug in what happens when that authority is
> merged (and by being merged, gets relinked), but not this one, exactly.
> 
> By cheating and being a cataloger by day (who has burned himself with this
> bug without realizing what happened at the time), so I don't mind creating
> my own records, I went with the alternate test plan of
> 
> 1. Create the personal name authorities One, Three, and Four
> 2. Create one bib linked to One from its author, three linked to Three, four
> linked to Four
> 3. Merge One to Three, then Three to Four
> 4. run the cronjob
> 
> Without the patch, I end up with only four bibs linked to Four; with the
> patch, I end up with eight bibs linked to it, all saying in the bib that
> they are by Four. So for the C->B->A case when all three are linked to
> things they should be linked to, this patch does indeed work perfectly.

Thanks for testing Phil. As Katrin said in the meantime, could you please add a
signoff line? Or should I do it for you?

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