[Koha] 856 Field and SQL Query

[Stephen Graham]

(sorry if you have received this twice, my email client crashed when I sent yesterday - and not sure if it actually sent)

Hi All - when I try and pull out subfield $u of the 856 field I always get the public note as well (i.e. $z). An example of the query I'm running:

select
  biblionumber,
  ExtractValue(metadata,'//datafield[@tag="245"]/subfield[@code>="a"]') AS title,
  ExtractValue(metadata,'//datafield[@tag="856"]/subfield[@code>="u"]') as URL
from
  biblio_metadata
where
  ExtractValue(metadata,'//datafield[@tag="856"]/subfield[@code>="u"]') like '%dawsonera.com%';

This is correct isn't it? I haven't requested $z, so not sure why it is always in the results? Feature? Bug? Or me doing something wrong?

Cheers, Stephen

PS we are on 19.11.

--------------------------------------
Stephen Graham
Library Technology Consultant
Content and Collections Team
Library and Computing Services
University of Hertfordshire
Tel: 01707 286111
Ext: 77751
Email: s.graham4 at herts.ac.uk<mailto:s.graham4 at herts.ac.uk>