[ckan-dev] last_modified field in resources

Mon Jul 4 14:51:59 UTC 2016

Hi Brook,

thanks for the explanations and for pointing me to the right discussions.
Makes more sense now.

On Fri, Jul 1, 2016 at 1:31 PM, Brook Elgie <brook.elgie at okfn.org> wrote:

> Hi Alex,
>
> Sorry for the delay.
>
> You are right, last_modified wasn't updated by CKAN core at all until CKAN
> 2.5. Before 2.5, it relied on separate extensions such as ckanext-archiver.
> It should be used with regard to the resource data, not changes to the
> resource metadata.
>
> Some background:
> https://github.com/ckan/ckan/issues/1874 - changes to CKAN core to update
> last_modified during create/update of resource file
> https://github.com/ckan/ckan/issues/3028 - discussion about UI labels for
> last_modified, revision_timestamp, etc.
>
> Brook
>
> On 28 June 2016 at 17:17, Alex Gartner <alexandru.gartner+ckan at gmail.com>
> wrote:
>
>> Hello,
>>
>> What is the meaning of the *last_modified *field ? And why isn't it
>> automatically populated when you create / update a *resource ?*
>>
>> According to the changelog
>> <http://docs.ckan.org/en/latest/changelog.html?highlight=last_modified>,
>> it seems that in the latest version, the field is only populated for
>> uploaded resources.
>>
>> We wanted to store somewhere when a resource was last modified (in CKAN).
>> Is the last_modified property in CKAN not the right place ? Maybe it refers
>> to when the data inside the resource was last changed and thus needs to be
>> manually set ?
>>
>> I guess we could use the activity history/stream to get the same
>> information but it seems a bit more complicated, especially when using the
>> API.
>>
>> Thanks,
>> Alex
>>
>>
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