[openstack-dev] [all][API WG] How does one best express a time interval as an API filtering query?

Jay Pipes jaypipes at gmail.com
Thu Oct 6 17:24:35 UTC 2016


On 10/06/2016 11:43 AM, Jeremy Stanley wrote:
> On 2016-10-06 10:30:30 -0500 (-0500), Kevin L. Mitchell wrote:
> [...]
>> Problem with that is that ':' is a valid character within an ISO date,
>> though I do like the 'between' prefix.  Now, '/' can be used if it's URL
>> encoded, but I agree that that is non-ideal.  How about a syntax
>> something like:
>>
>>         ?finished_at=between:ISO_DATE_A at ISO_DATE_B&finished_at=between:ISO_DATE_C at ISO_DATE_D
>
> I'll admit I'm not up on the intricacies of URL expectations for
> APIs, but why not just use a comma? That's not an unusual meaning
> for it as punctuation (at least in English), and has the property
> that it's not overloading a typical field separator within either
> 8601 or HTTP encodings. (Now I've fulfilled my bikeshed quota for
> the month.)

Yup, ++ on a comma.

-jay



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