Make measures aggregation start & stop parameters mandatory

Bug #1676902 reported by Sergio Colinas on 2017-03-28
This bug affects 6 people
Affects Status Importance Assigned to Milestone

Bug Description

When you do measures aggregation with needed_overlap 0 (it is our default), if you don't specify start and stop parameters sometimes the api omit results.

gordon chung (chungg) wrote :

not sure if this matters to your use case, but you can backfill values so it doesn't omit results.

Sergio Colinas (sergio-n) wrote :

It is not clear which is the expected result when start and stop are not specified. I though all results should be included because not filter is applied but it was not the case.

gordon chung (chungg) wrote :

tbh, it's not obvious. i think this needs to be documented

based on code, the result is the last contiguous sequence where all series overlap. ie if

series1: __, __, __, __, 10, 20, __, 30, 40
series2: 10, 20, 30, 40, 50, 60, 70, 80, 90,

i believe the return value is only the last points. (do not quote me)

Sergio Colinas (sergio-n) wrote :

Thanks gordon! I still think that those parameters should be mandatory or if you use needed_overlap 0 it should return all the points. And yes, this needs to be documented.

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