KYLIN-1186 <https://issues.apache.org/jira/browse/KYLIN-1186> is not a mature feature yet and it only supports integer we don't yet have plans to support any other forms of precise distinct count, as it is too expensive to pre-calculate
On Thu, Jan 28, 2016 at 6:56 PM, Abhilash L L <[email protected]> wrote: > Thanks ShaoFeng Shi, > > We might need for other data types as well > > date & string > > (eg, distinct count of dates of certain activity) > > So in the rest call instead of hllc return type it should be bitmap for > int,tinyint etc ? > > And we still send it as hllc for other data types ? > > > Also in one of the comments, it said we cast long to int.. wont we be > losing data due to truncation ? > > > Regards, > Abhilash > > On Thu, Jan 28, 2016 at 3:43 PM, ShaoFeng Shi <[email protected]> > wrote: > > > is this matched your case? > > https://issues.apache.org/jira/browse/KYLIN-1186 > > > > 2016-01-28 17:42 GMT+08:00 Abhilash L L <[email protected]>: > > > > > +user ml > > > > > > Regards, > > > Abhilash > > > > > > On Thu, Jan 28, 2016 at 11:32 AM, Abhilash L L <[email protected]> > > > wrote: > > > > > > > Hello, > > > > > > > > Is there a way to ask Kylin to get exact distinct count ? From > what > > > we > > > > understand, we can choose between hllc(10) to hllc(16) > > > > > > > > I understand that for every cuboid, you will need to go through > the > > > > whole data set again, but with the new cubing algo (2.x branch) > should > > be > > > > simpler to add ? > > > > > > > > If currently not present are there any plans to introduce this ? > > > > > > > > Regards, > > > > Abhilash > > > > > > > > > > > > > > > -- > > Best regards, > > > > Shaofeng Shi > > > -- Regards, *Bin Mahone | 马洪宾* Apache Kylin: http://kylin.io Github: https://github.com/binmahone
