You can just send back the lock_version you got with the get. No need to bump it - that happens on a successful update. The response to the update will include the new lock_version, like this:
{ "status": "Updated", "id": 2, "lock_version": 23, "stale": NULL, "uri": "/repositories/2", "warnings": [] } This is implemented via a sequel plugin: https://sequel.jeremyevans.net/rdoc-plugins/classes/Sequel/Plugins/OptimisticLocking.html > On Apr 18, 2020, at 12:53 AM, Peter Heiner <ph...@cam.ac.uk> wrote: > > Huebschen, Alan M wrote on 2020-04-17 14:26:24: >> I've been attempting to update existing resource records through the API, >> the records already exist and I'm trying to upload modified versions of the >> JSON but I'm getting an error in response. >> >> 'error': 'The record you tried to update has been modified since you fetched >> it.' > > To update a record, you first need to fetch it to get its lock_version. > The API will only allow updates to a resource with a lock_version > greater than the one stored in the database, so you'll need to post your > data including lock_version+1. > > Hope that helps, > p > _______________________________________________ > Archivesspace_Users_Group mailing list > Archivesspace_Users_Group@lyralists.lyrasis.org > http://lyralists.lyrasis.org/mailman/listinfo/archivesspace_users_group > > !DSPAM:5e99c2e335501411550710!
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