Github user ilooner commented on the issue:
https://github.com/apache/drill/pull/984
@arina-ielchiieva I can put **DRILL-5783** in a separate PR **DRILL-5841**
and **DRILL-5894** are however tightly coupled and must be in the same PR.
Unfortunately **DRILL-5841** and **DRILL-5894** touched many files because all
the unit tests were updated so the PR will still remain large. ---
