[Koha] El ExtractValue y MarcXML

[Ian Bays]

Hi.
This works:

substring(ExtractValue(marcxml,'//controlfield[@tag="008"]'), 8,4 ) AS 
'PUB DATE'

Good luck.

On 11/09/2017 18:15, Luis Moises Rojas wrote:
> Hello everybody
> I am trying to use this instruction, but does not work,
> i am using koha 17.05.
>
>   ExtractValue(marcxml,'//controlfield[@tag="008"]'), 8,4 ) AS 'PUB DATE'
>
>
> thanks
>
>

-- 
Ian Bays
Director of Projects, PTFS Europe Limited
Content Management and Library Solutions