Great question! My opinion inline...
On 10/06/2016 08:56 AM, milanisko k wrote:
Dear API WG,
We've got ourselves into a bike shedding situation[1] w/r the WG
filtering suggestion[2]. What we find difficult is to express the
ISO8601 time intervals[3][4] in accordance to the filtering suggestion.
We'd like to have support for specifying multiple time intervals a node
introspection can belong to as a filter criterion.
Currently, we propose:
?finished_at=<ISOdate_a>/<ISOdate_b>&finished_at=<ISOdate_c>/<ISOdate_d>&...
The issue I have with the is that it uses a / character to delimit the a
and b dates.
In keeping with the style of the API-WG filter operators, I would
propose something like this:
?finished_at=between:ISO_DATE_A:ISO_DATE_B&finished_at=between:ISO_DATE_C:ISO_DATE_D
Best,
-jay
denoting following Python condition:
(ISOdate_a <= finished_at < ISOdate_b) or (ISOdate_c <=
finished_at < ISOdate_d) or...
How does one best express this query in accordance to the WG filtering
suggestion?
Thanks,
milan
[1]
https://review.openstack.org/#/c/375045/7/specs/list-introspection-statuses.rst
[2]
https://github.com/openstack/api-wg/blob/master/guidelines/pagination_filter_sort.rst#filtering
[3] https://en.wikipedia.org/wiki/ISO_8601#Time_intervals
[4] http://www.ukoln.ac.uk/metadata/dcmi/date-dccd-odrf
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