Hi,
22 juillet 2020 12:12 "Stephen Graham" <[email protected]
(mailto:[email protected]?to=%22Stephen%20Graham%22%20<[email protected]>)>
a écrit:
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? Did you try
with
[@code="u"]') ie not >= but equality?
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