npawar commented on issue #4547: Indexed table URL: https://github.com/apache/incubator-pinot/pull/4547#issuecomment-525561409 > > @siddharthteotia I'm not thinking about Distinct. Purely focussing on getting GroupBy with order by to work with this Table > > @npawar , the reason I asked is because OrderByUtils is probably the utility class exposed to other parts of code as well to use sort. The last time we discussed, I think we decided to write this utility in a generic manner and not tied to work only with group by and order by The OrderByUtils has 3 types of comparators, which will support group by (getKeysAndValues), selection/aggregation (getValuesComparator), distinct (getKeysComparator). However, we are far away from allowing this to be accessible for other parts of the code yet.
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