v.20.11Bug Fix
Fixed Group By Optimization with Joins in ClickHouse
Fixed optimization of group by with enabled setting optimize_aggregators_of_group_by_keys and joins. This fixes #12604. #16951 (Anton Popov).Fixed optimization of group by with enabled setting optimize_aggregators_of_group_by_keys and joins. This fixes #12604. #16951 (Anton Popov).