[Koha] How make item availability accessible via Z39.50?

[Bob Birchall @ Calyx]

Liz Rea thank you!  That is also likely to be the answer to another problem
(first raised on this list in December by Zico) of ‘status’ not displaying
on systems upgraded from early versions.  I’ll check that out as soon as
....
Bob Birchall
CALYX

________________________________________
From: koha-bounces at lists.katipo.co.nz
[mailto:koha-bounces at lists.katipo.co.nz] On Behalf Of Liz Rea
Sent: Tuesday, 16 February 2010 6:05 AM
To: Mike Mason
Cc: Koha at lists.katipo.co.nz
Subject: Re: [Koha] How make item availability accessible via Z39.50?

A while back, we asked a similar question of our LibLime support folks. Here
is what they told us:

Here are the basic rules for
 determining availability in Koha:

 There is no single subfield indicating item availability.
 All checked-out items have a date in subfield $q.
 if there is no date in subfield $q then you must check subfields $0, $1, $4
 and $7. If these four subfields all contain a 0, the item is available.

I hope this helps you out. :)

Liz Rea
NEKLS

On Feb 15, 2010, at 4:58 AM, Mike Mason wrote:


Hi all

I'm a newbie configuring Koha (Liblime's Koha Express [release 3.00.02.012])
for the first time. 
Our library is part of a consortium of theological libraries that has a
virtual union catalogue -- an OCLC site running Zportal -- a Z39.50 client
that queries multiple servers similtaneously.  So I have to give the folks
at OCLC info about how Koha stores data on Holdings in tag 952 so they can
configure their Zportal to look for it.  I want the Z39.50 search result to
show whether an item is AVAILABLE. Koha shows this in its own OPAC, but how
can an external Z39.50 client find it? Is it in a MARC field/subfield? Our
Liblime trainer suggested 952$q, but when I test this with Bookwhere,
nothing is returned. Anyway, 952$q is 'checked out', and to be available, an
item would have to be not only not checked out, but also not lost, not
withdrawn etc.  Is availability stored in a mysterious Koha variable like
biblioitem.available? (No such variable is listed in the Koha to Marc
mapping table, as far as I can see). If it's a Koha variable not mapped into
MARC, how can Zportal get to it?  It seems to manage with other ILS
packages.

Excuse my vast ignorance of library matters; I'm not even a librarian; kind
of honorary computer support person.  I've had to learn more about MARC than
I ever wanted to know, and I hate it already.

Mike Mason



Cordially,

Michael Mason


(Rev. Dr.) Michael Mason
Librarian & Director of I.T.
Redemptorist Seminary Library
10 Majella Ct.
Kew, Vic. 3101

Phone: +61 3 9817 9758
Fax:     +61 3 9816 9805
Email: M.Mason at ytu.edu.au
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