Hello Vimar, you need to join the table biblio_metadata to your query
Best Josef st 9. 8. 2017 v 7:06 odesÃlatel Vimal Kumar V. <[email protected]> napsal: > Dear Friends, > I am trying to generate a book list with keywords from 650$a using the > following SQL query, > > SELECT ExtractValue( metadata, > '//datafield[@tag="650"]/subfield[@code="a"]' ) AS Keyword, items.barcode, > items.dateaccessioned, items.itemcallnumber, biblio.author, biblio.title, > biblioitems.pages, biblioitems.publishercode, biblioitems.place, > biblio.copyrightdate > FROM items > LEFT JOIN biblioitems ON > (items.biblioitemnumber=biblioitems.biblioitemnumber) > LEFT JOIN biblio ON (biblioitems.biblionumber=biblio.biblionumber) > ORDER BY LPAD(items.barcode,40,' ') ASC > > After running the report, I got the following error message, > > The database returned the following error: > Unknown column 'metadata' in 'field list' > Please check the log for further details. > > Please review the SQL query and help me to solve the problem. > > > Regards, > -- > Vimal Kumar V. > Librarian > School of Indian Legal Thought > Mahatma Gandhi University > Kottayam, Kerala > Web: http://www.vimalkumar.info > Blogs: http://linuxhalwa.blogspot.com http://kohageek.blogspot.in > http://dspacegeek.blogspot.in > http://moovandan.blogspot.in <http://moovandan.blogspot.in> > --------------------------------------------------------------------------- > "I forget what I was taught. I only remember what I have learnt" > -Patrick White > _______________________________________________ > Koha mailing list http://koha-community.org > [email protected] > https://lists.katipo.co.nz/mailman/listinfo/koha > _______________________________________________ Koha mailing list http://koha-community.org [email protected] https://lists.katipo.co.nz/mailman/listinfo/koha

