Drill currently supports the ranking window functions [1] but not
specifically the percentile function.
[1] https://drill.apache.org/docs/ranking-window-functions/
On Mon, Aug 12, 2019 at 7:34 AM Ted Dunning wrote:
> Currently, the way to do this is with window queries where you sort each
> su
Currently, the way to do this is with window queries where you sort each
sub-group and grab the pertinent rows as an approximation of the quantiles
you want.
Another way would be to use an approximate data structure like a t-digest
via an aggregating user-defined function (UDF).
Last I checked, t
