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https://issues.apache.org/jira/browse/TRAFODION-3009?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16440406#comment-16440406
 ] 

ASF GitHub Bot commented on TRAFODION-3009:
-------------------------------------------

GitHub user selvaganesang opened a pull request:

    https://github.com/apache/trafodion/pull/1522

    [TRAFODION-3009] Streamline error handling in Executor utility commands

    Changes to avoid allocation of ComDiagsArea in some more places unless it is
    needed to pass errors or warnings.
    
    [TRAFODION-2917] Refactor Trafodion implementation of hdfs scan for text 
formatted hive tables
    
    Disabling USE_LIBHDFS_SCAN by default. The new implementation of Hdfs Scan 
is now used to
    scan the text type hive files.
    
    Hdfs Scan is now stopped gracefully when the hive scan is cancelled. This 
avoids the random
    core seen with new implementation.

You can merge this pull request into a Git repository by running:

    $ git pull https://github.com/selvaganesang/trafodion trafodion-3007_5

Alternatively you can review and apply these changes as the patch at:

    https://github.com/apache/trafodion/pull/1522.patch

To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:

    This closes #1522
    
----
commit 060bfc6c41277907af523d7bb62e02eb91b5bc86
Author: selvaganesang <selva.govindarajan@...>
Date:   2018-04-17T05:09:04Z

    [TRAFODION-3009] Streamline error handling in Executor utility commands
    
    Changes to avoid allocation of ComDiagsArea in some more places unless it is
    needed to pass errors or warnings.
    
    [TRAFODION-2917] Refactor Trafodion implementation of hdfs scan for text 
formatted hive tables
    
    Disabling USE_LIBHDFS_SCAN by default. The new implementation of Hdfs Scan 
is now used to
    scan the text type hive files.
    
    Hdfs Scan is now stopped gracefully when the hive scan is cancelled. This 
avoids the random
    core seen with new implementation.

----


> Streamline error handling in Executor utility commands
> ------------------------------------------------------
>
>                 Key: TRAFODION-3009
>                 URL: https://issues.apache.org/jira/browse/TRAFODION-3009
>             Project: Apache Trafodion
>          Issue Type: Improvement
>          Components: -exe, sql-exe
>            Reporter: Selvaganesan Govindarajan
>            Assignee: Selvaganesan Govindarajan
>            Priority: Major
>
> Executor utility commands are the commands that issue sql statements during 
> its execution to complete its task. These operators are  derived from 
> ExExeUtilTcb operator in Trafodion.  These commands assume ComDiagsArea is 
> allocated in advance. This is not in accordance with the design as outlined in
> [https://cwiki.apache.org/confluence/display/TRAFODION/SQL+Diagnostics+Architecture+and+Design]
>  



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