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 <[email protected]> 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
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