justinborromeo opened a new pull request #7024: Time Ordering Option on 
Small-Result-Set Scan Queries
URL: https://github.com/apache/incubator-druid/pull/7024
 
 
   This PR addresses point 2 of issue #6088 .  For scan queries where the limit 
is less than a configurable threshold (default 100K), users have the option to 
time-order their results (either ascending or descending).  Users also have the 
option to skip time-ordering by setting `timeOrder` to `none`, in which case 
the existing implementation of scan will run.  There's a limit on the number of 
records that can be ordered because this ordering currently occurs in memory.  
There are plans to include on-disk sorting for larger result sets in the future 
but those changes are outside of the scope of this PR.

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