I'm not sure what would be the more efficient, using SQL and the ORM or add some ES index, but we need to have a way to find all records which belongs to a record_source. It would as well be nice to be able to do a batch edit to change the source of a record.
from Tomas : "look at... Koha::Filter::MARC::EmbedItemsAvailability"
Created attachment 167189 [details] [review] Bug 36884 : Make the record source a searchable field by the use of ElasticSearch