Arina Ielchiieva

@weijietong that's the status of this PR?

@vdiravka / @vvysotskyi what is the status of this PR?

@weijietong thanks for the PR. 1. Is it possible to add unit tests? 2. Can you please add in method description that a table scan with only one row should...

@weijietong regarding the unit test, I have tried to reproduce the problem and written the following unit test: ``` @Test public void test() throws Exception { FileSystem fs = null;...

@weijietong thanks for code formatting. > I wonder if the enhanced code does not break the current unit test ,it will be ok. Can you please check this? Did all...

On mine environment all tests pass. I used to have troubles but long time ago. I had to fix issues with timezones, memory usage `MAVEN_OPTS="-Xmx2048m -XX:MaxPermSize=1024m"`. Also I am pretty...

Thanks @weijietong. LGTM. @amansinha100 could you please do the final CR since you are familiar with this issue?

+1, LGTM.

@jcmcote taking into account that there is ongoing work to provide schema using file (https://issues.apache.org/jira/browse/DRILL-6835). You might consider waiting for those changes to be published to use common approach of...