[jira] [Commented] (DRILL-5659) C++ Client (master) behavior is unstable resulting incorrect result or exception in API calls

["Rob Wu (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/DRILL-5659?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16077761#comment-16077761 ] 

Rob Wu commented on DRILL-5659:
-------------------------------

Added some logs generated by query submitter

> 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
>         Attachments: 1-10cppClient-1.9.0Drillbit-dfs.log, 1-10cppClient-1.9.0Drillbit-hive.log, 1-11cppClient-1.9.0Drillbit-dfs.log, 1-11cppClient-1.9.0Drillbit-hive.log
>
>
> 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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