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From "Rob Wu (JIRA)" <j...@apache.org>
Subject [jira] [Created] (DRILL-5659) C++ Client (master) behavior is unstable resulting incorrect result or exception in API calls
Date Wed, 05 Jul 2017 23:15:02 GMT
Rob Wu created DRILL-5659:
-----------------------------

             Summary: C++ Client (master) behavior is unstable resulting incorrect result
or exception in API calls
                 Key: DRILL-5659
                 URL: https://issues.apache.org/jira/browse/DRILL-5659
             Project: Apache Drill
          Issue Type: Bug
            Reporter: Rob Wu


I recently compiled the C++ client (on windows) from master and tested against a 1.9.0 drillbit.
The client's behavior does not meet the stable release requirement.

*Some API functionalities are broken and should be investigated.*

Most noticeable is the getColumns(...) call. It will throw an exception with "Cannot decode
getcolumns results" when the number of rows (column records) exceeds a certain number. 

I also noticed that: during query execution + data retrieval, if the table is large enough,
the result coming back will start to become NULL or empty.

I will see if I can generate some drillclient logs to put in the attachment.
I will also compile and test on other platforms.



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