Github user vdiravka commented on the issue:
https://github.com/apache/drill/pull/968
With separate table class for MapR-DB we can follow the same approach of
expanding column star into list as for HBase plugin. For that reason I've
created a [PR-973 (DRILL-5775)](https://github.com/apache/drill/pull/973) for
it.
@jinfengni Please take a look at this PR as well.---
