Thanks! That script would indeed do what I'd need, but I'm bit concerned about the scalability, since it will have to do one request per item - and if I have thousands of items, that might get a bit heavy? Or would it? I really don't know don't know how long for instance 10.000 item/id/metadata requests would take.
Ilja ________________________________________ From: Monika Mevenkamp <mome...@gmail.com> Sent: Thursday, September 1, 2016 6:30:33 PM To: Ilja Sidoroff Cc: DSpace Tech Subject: Re: [dspace-tech] Querying items by metadata item via SOLR and REST Hi Ilja I have a script that given a metadata field, e.g. pu.workflow.state, produces a tab separated list so: field id handle value pu.workflow.state 969 99999/fk4w099v32 approved pu.workflow.state 903 null emailed pu.workflow.state 753 null emailed pu.workflow.state 752 null emailed pu.workflow.state 902 null orphaned The script is written in jruby and based on my dspace-jruby gem, see Script here<https://github.com/akinom/dspace-cli/blob/master/metadata/list_values.rb>. The gem as well as the script are available from github: jrdspace gem<https://github.com/akinom/dspace-jruby>. and cli-dspace<https://github.com/akinom/dspace-cli> , which has a bunch of other scripts. The script is quite small, its ‘action’ is in the doit method def doit(metadata_field) puts ['field', 'id', 'handle', 'value'].join("\t") dsos = DSpace.findByMetadataValue(metadata_field, nil, DConstants::ITEM) dsos.each do |dso| vals = dso.getMetadataByMetadataString(metadata_field).collect { |v| v.value } puts [metadata_field, dso.getID, dso.getHandle.nil? ? "null" : dso.getHandle, vals ].join("\t") end end if you want to try this out , there are instructions on GitHUb. If you want to work in Java, look at the implementation of the DSpace.findByMetadataValue method. It has the SQL statement. see HERE<https://github.com/akinom/dspace-jruby/blob/master/lib/dspace/dspace.rb#L150-L171> Monika — Monika Mevenkamp Digital Repository Infrastructure Developer Princeton University Phone: 609-258-4161 Skype: mo-meven On Sep 1, 2016, at 6:43 AM, Ilja Sidoroff <ilja.sidor...@uef.fi<mailto:ilja.sidor...@uef.fi>> wrote: Hello, I am using DSpace 5.5. Am I correct, that SOLR queries return only items that are in *collections* and not in the *workflow*? At least my search attemps indicate that? In the REST API, however, it seems that GET /items returns only results that are in the collections. However, with POST /items/find-by-metadata-field I can get all items in the DSpace, both those in the collections and those in the workflow? What I need, is a list of *all items* (both in the workflow and the collections) that have certain metadata field set and *the value of that field*. I don't see other way of doing that, except by direct SQL query to the database. I have one for 5.x, but I'm not happy with it since, I need to update it for 6.x etc. Is there any other way of doing this? Also, it seems that dspace import -d -m mapfile ... does not delete items currently in the workflow? Is this intentional or a bug? regards, Ilja Sidoroff University of Eastern Finland -- You received this message because you are subscribed to the Google Groups "DSpace Technical Support" group. To unsubscribe from this group and stop receiving emails from it, send an email to dspace-tech+unsubscr...@googlegroups.com<mailto:dspace-tech+unsubscr...@googlegroups.com>. To post to this group, send email to dspace-tech@googlegroups.com<mailto:dspace-tech@googlegroups.com>. Visit this group at https://groups.google.com/group/dspace-tech. For more options, visit https://groups.google.com/d/optout. -- You received this message because you are subscribed to the Google Groups "DSpace Technical Support" group. To unsubscribe from this group and stop receiving emails from it, send an email to dspace-tech+unsubscr...@googlegroups.com. To post to this group, send email to dspace-tech@googlegroups.com. Visit this group at https://groups.google.com/group/dspace-tech. For more options, visit https://groups.google.com/d/optout.
