[Koha] Reason to define Koha item type in 942

[Indranil Das Gupta]

Katrin++

The koha encyclopaedia has spoken!

Thanks @cait

On Mon, 18 Oct, 2021, 2:23 am Katrin Fischer, <katrin.fischer.83 at web.de>
wrote:

> Hi Caroline and all,
>
> to add to the list of things:
>
> - 942$c is used as the pre-selected item type when adding new items.
> - 942$c will be used for record level article requests to determine
> which circulation rule applies.
> - I also believe that 942$c plays a role in record level hold requests,
> but I couldn't quite pinpoint that. I seem to remember that it was used
> for the max number of possible record level holds for an item type.
>
> Hope that helps,
>
> Katrin
>
> On 15.10.21 16:22, Caroline Cyr-La-Rose wrote:
> > Hello!
> >
> > I'd like to add to Indranil's explanation.
> >
> > 952$y is mandatory for circulation IF item-level_itypes is set to
> > "specific item". Otherwise, 942$c is used as the item type for
> > circulation.
> >
> > Another thing that I have observed about 942$c is that it is indexed
> > for the search in the same way as 952$y. So if you have records
> > without items (for journal articles, websites or ebooks for example),
> > these will still be searchable through the item type filter.
> >
> > Also, if 942$c and 952$y are not the same in one record (for example,
> > 942$c is Book and 952$y is Reference), they will show in the results
> > of a search for either type.
> >
> > I'm making a note to compile all our comments to add into the manual,
> > since that's where you searched for the information first.
> > https://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=29252
> >
> > Best regards,
> >
> > Caroline
> >
> > On 2021-10-15 10 h 02, Indranil Das Gupta wrote:
> >> Hi Tasha,
> >>
> >> 942$c - defines the type of material the bibliographic record
> >> represents,
> >> sort of like it's GMD (general material description). Has no bearing on
> >> circulation of material. Stored as marcxml in biblio_metadata.
> >>
> >> 952$y - defines the item-level item, and is used mandatorily for Koha's
> >> circulation rules which work as a permutation of (a) branchcodes (b)
> >> patron
> >> categories and (c) item-level item types. Stored as itype column in
> >> items
> >> table.
> >>
> >> Hope this helps
> >> Indranil
> >>
> >> On Fri, 15 Oct, 2021, 12:44 am Bales (US), Tasha R, <
> >> tasha.r.bales at boeing.com> wrote:
> >>
> >>> Good afternoon,
> >>>
> >>> I recall reading (in the Koha manual?) the explanation for why it is
> >>> advantageous to define Koha item type in the bib 942 field.  I
> >>> believe it
> >>> has to do with exporting records, or the scope of records that is
> >>> included
> >>> when doing some type of report?  I'm trying to locate that information
> >>> again, but can't find it for the life of me.
> >>>
> >>> Does this seem familiar to anyone?  Thanks.
> >>>
> >>>
> >>> Tasha Bales
> >>> Enterprise Services
> >>> http://isesi.web.boeing.com/
> >>>
> >>> _______________________________________________
> >>>
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> > Caroline Cyr La Rose, M.S.I.
> > Bibliothécaire | Responsable de produit
> >
> > Tél. : 1-833-465-4276, poste 221
> > Caroline.Cyr-La-Rose at inLibro.com
> > <mailto:caroline.cyr-la-rose at inLibro.com>
> >
> > INLiBRO | Spécialistes en technologies documentaires | www.inLibro.com
> > <http://www.inLibro.com>
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