pdeva opened a new issue #11802:
URL: https://github.com/apache/druid/issues/11802


   ### Description
   
   Currently the allowed inputs to quartile sketch aggregator are:
   
   1. a quartile sketch
   2. a single raw double value
   
   I propose adding a 3rd input type:
   
   3. array of raw double values
   ### Motivation
   
   A lot of times you have a set of raw values you want to pass to the sketch. 
Currently you would need to create a sketch out of those values yourself to 
send them to druid. The quartile sketch implementation being in Java only 
further amplifies this problem for users with code in different languagese like 
Go, Javascript.
   
   Druid already acknowledges there being a need to pass raw values, since it 
allows passing a single double value. Thus passing in an array is simply an 
evolution of the use cases covered by it.


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