[Koha-bugs] [Bug 20271] Merge deleted biblio, biblioitems, biblio_metadata, and items tables

bugzilla-daemon at bugs.koha-community.org bugzilla-daemon at bugs.koha-community.org
Thu Jan 30 14:12:20 CET 2020


https://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=20271

--- Comment #207 from Katrin Fischer <katrin.fischer at bsz-bw.de> ---
(In reply to Marcel de Rooy from comment #206)
> (In reply to Jonathan Druart from comment #205)
> > Additional question: what's the point of biblioitem.deleted_on and
> > biblio_metadata.deleted_on?
> > I think we only need items.deleted_on and biblio.deleted_on
> 
> As long as we have biblioitems, a last change can be helpful. But I agree we
> are actually using biblioitems as an overflow for biblio only. The columns
> could be moved up.

Having a timestamp (last modified), created and deleted is what would be
helpful. We have some sync functionality with our unoin catalog, where the
dates are needed. 

We might want the newest of them to survive, because: depending on the change,
not every of the 3 tables in question is updated and the timestamps might be
out of sync.

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