[Koha-devel] What is biblioitemnumber for?

[Stefano Bargioni]

Paul, very interesting the basic historic idea. What you wrote, helps me to say that with Elasticsearch, Koha has the possibility to adopt definitely the LRM [1] model, that is going to be implemented in RDA [2].
Especially important IMHO are links among authorities. Or, better, links of any type.
Stefano 

[1] https://www.ifla.org/publications/node/11412
[2] http://www.rda-rsc.org/ImplementationLRMinRDA

> On 19 Nov 2018, at 14:39, Ere Maijala <ere.maijala at helsinki.fi> wrote:
> 
> If three levels are needed in the future, I'd start from a clean(er) slate and at least make sure they're named appropriately.
> 
> --Ere
> 
> Marcel de Rooy kirjoitti 19.11.2018 klo 15.08:
>> Three levels in BIBFrame again ?
>> *Van:* koha-devel-bounces at lists.koha-community.org <koha-devel-bounces at lists.koha-community.org> *Namens *Tomas Cohen Arazi
>> *Verzonden:* maandag 19 november 2018 14:02
>> *Aan:* Paul Poulain <paul.poulain at biblibre.com>
>> *CC:* koha-devel <koha-devel at lists.koha-community.org>
>> *Onderwerp:* Re: [Koha-devel] What is biblioitemnumber for?
>> Great info, Paul!
>> We now removed the marc/marcxml columns from biblioitems too, so it makes more sense to merge them.
>> El lun., 19 nov. 2018 a las 6:02, Paul Poulain (<paul.poulain at biblibre.com <mailto:paul.poulain at biblibre.com>>) escribió:
>>    <wise-old-man mode ON>
>>    Koha v1.x has no MARC support. In fact, it was the first FRBR compliant
>>    software ever, long before FRBR exist... (who says Open Source is not
>>    innovative :D )
>>    More explanation: in Koha v1, you had to enter a minimal biblio
>>    description (title, author(s), subject(s)) THEN one or more expression
>>    of the work (one large print, one readed book, one pocket, ...), THEN
>>    the different items. Very efficient and handy.
>>    When I wrote the MARC code, I had to break this 3 level management
>>    (MARC
>>    has only 2 levels, biblio and items).
>>    In Koha 2.0, you had the option to stay "basic" of "marc" cataloguing.
>>    It has been removed in Koha ??? (2.2 or 3.0 ?), only MARC cataloguing
>>    remained.
>>    At this time biblioitems table became useless/should have been merged,
>>    but no one coded/hacked it. But yes, it can be removed (unless we want
>>    to keep it for future advanced support of FRBR :D )
>>    <wise-old-man mode OFF>
>>    Le 17/11/2018 à 20:40, Barton Chittenden a écrit :
>>     > Just out of curiosity, why does biblioitemnumber exist? There should
>>     > be a one-to-one relationship between biblio records and biblioitem
>>     > records ... so why not use biblionumber as the primary key for
>>     > biblioitems?
>>     >
>>     > --Barton
>>    --     Paul Poulain, Associé-gérant / co-owner
>>    BibLibre, Services en logiciels libres pour les bibliothèques
>>    BibLibre, Open Source software and services for libraries
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>> Tomás Cohen Arazi
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> 
> -- 
> Ere Maijala
> Kansalliskirjasto / The National Library of Finland
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