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[EP-tech] subject dataset - removing subjectid from eprint
I would suggest running the script over the whole repository.
Looking at John's script, change this:
my $list = $session->get_repository->dataset( 'eprint' )->search( filters => [
{ meta_fields => [ $fieldname ],
value => $subjectid }
] );
To this:
my $list = $session->dataset('eprint')->search();
...and see what happens.
(though I agree with John that this shouldn't really make a difference). If it doesn't work, please post exactly what you typed on the command-line to invoke the script.
[Jisc]<http://www.jisc.ac.uk/>
Adam Field
SHERPA services analyst developer
From: <eprints-tech-bounces at ecs.soton.ac.uk<mailto:eprints-tech-bounces at ecs.soton.ac.uk>> on behalf of John Salter <J.Salter at leeds.ac.uk<mailto:J.Salter at leeds.ac.uk>>
Reply-To: "eprints-tech at ecs.soton.ac.uk<mailto:eprints-tech at ecs.soton.ac.uk>" <eprints-tech at ecs.soton.ac.uk<mailto:eprints-tech at ecs.soton.ac.uk>>
Date: Wednesday, 9 March 2016 06:36
To: "eprints-tech at ecs.soton.ac.uk<mailto:eprints-tech at ecs.soton.ac.uk>" <eprints-tech at ecs.soton.ac.uk<mailto:eprints-tech at ecs.soton.ac.uk>>
Subject: Re: [EP-tech] subject dataset - removing subjectid from eprint
Interesting...
You could try adding the subject back into the tree temporarily to see if it works that way?
Using this script should cause any affected EPrints' summary pages to be regenerated - if you alter the database directly, you'd have to do this by running bin/generate_abstracts.
Cheers,
John
________________________________
From: eprints-tech-bounces at ecs.soton.ac.uk<mailto:eprints-tech-bounces at ecs.soton.ac.uk> <eprints-tech-bounces at ecs.soton.ac.uk<mailto:eprints-tech-bounces at ecs.soton.ac.uk>> on behalf of Monica Wood <monica.wood at utas.edu.au<mailto:monica.wood at utas.edu.au>>
Sent: 09 March 2016 04:33:34
To: 'eprints-tech at ecs.soton.ac.uk<mailto:'eprints-tech at ecs.soton.ac.uk>'
Subject: Re: [EP-tech] subject dataset - removing subjectid from eprint
Hi John,
Thanks for linking me to this script.
I?ve had a look through it and tried it out, but it?s not working. I believe this is because I?ve already removed the node from the subject tree (Unlinked it from the tree).
Putting the noise level up on the script to 3 gives me some feedback on a query it?s doing at I believe this line?
my $list = $session->get_repository->dataset( 'eprint' )->search( filters => [
{ meta_fields => [ $fieldname ],
value => $subjectid }
This query is (with filename set to collections and subjectid set to theses)
Database execute debug: SELECT `eprint`.`eprintid` FROM `eprint`, `eprint_collections` AS `eprint_collections`, `subject_ancestors` AS `127395456subject_ancestors` WHERE `eprint`.`eprintid`=`eprint_collections`.`eprintid` AND `eprint_collections`.`collections`=`127395456subject_ancestors`.`subjectid` AND `127395456subject_ancestors`.`ancestors` = 'theses' GROUP BY `eprint`.`printed`
This is returning an empty list, as the theses subjectid no longer exists in subject_ancestors, but it does still exist in eprint_collections.
I?ll have a go at bulk changing the records from the GUI, if that doesn?t work out, I?ll do a bulk change directly in the database by removing the entries in eprint_collections that point to the theses subjectid.
Cheers,
Monica Wood
Library Systems Officer
Library | Division of Students & Education
University of Tasmania
Locked Bag 25
Hobart 7001
T +61 3 6226 1849
http://www.utas.edu.au/library
From: <eprints-tech-bounces at ecs.soton.ac.uk<mailto:eprints-tech-bounces at ecs.soton.ac.uk>> on behalf of John Salter <J.Salter at leeds.ac.uk<mailto:J.Salter at leeds.ac.uk>>
Reply-To: "'eprints-tech at ecs.soton.ac.uk<mailto:'eprints-tech at ecs.soton.ac.uk>'" <eprints-tech at ecs.soton.ac.uk<mailto:eprints-tech at ecs.soton.ac.uk>>
Date: Tuesday, 8 March 2016 at 10:06 PM
To: "'eprints-tech at ecs.soton.ac.uk<mailto:'eprints-tech at ecs.soton.ac.uk>'" <eprints-tech at ecs.soton.ac.uk<mailto:eprints-tech at ecs.soton.ac.uk>>
Subject: Re: [EP-tech] subject dataset - remove_field
Hi Monica,
I think your suggestion will remove the field itself, rather than a specific value stored in that field.
I?ve done something similar ? just added it to the wiki for you:
https://wiki.eprints.org/w/Remove_subjectid_script
Let me know if it doesn?t work for you.
Cheers,
John
From:eprints-tech-bounces at ecs.soton.ac.uk<mailto:eprints-tech-bounces at ecs.soton.ac.uk> [mailto:eprints-tech-bounces at ecs.soton.ac.uk] On Behalf Of Monica Wood
Sent: 08 March 2016 06:17
To: eprints-tech at ecs.soton.ac.uk<mailto:eprints-tech at ecs.soton.ac.uk>
Subject: [EP-tech] subject dataset - remove_field
Hi there,
In our repository we have a root subject called ?Collections? Under this I have unlinked(deleted) a child of Collections.
I now have the issue that all items that were connected to this collection still have the metadata saying so and on our summary page we display the collection an item belongs to.
So it?s now showing ???colllectionName??? as a link and that link is now dead.
Is there a way to delete these connections without needing to do it directly through the database?
I was wondering if the epadmin remove_field might do the job on the subject dataset?
Something like:
~/bin/epadmin remove_field repoid subject collectionid ??
Thanks in advanced
Monica Wood
Library Systems Officer
Library | Division of Students & Education
University of Tasmania
Locked Bag 25
Hobart 7001
T +61 3 6226 1849
http://www.utas.edu.au/library
Available Times
Tues: 9am ? 5pm
Wed: 1pm ? 5pm
Fri: 9am ? 5pm
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