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From "Peter Vary (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-14389) Beeline should not output query and prompt to stdout
Date Wed, 10 May 2017 10:35:04 GMT

    [ https://issues.apache.org/jira/browse/HIVE-14389?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16004458#comment-16004458
] 

Peter Vary commented on HIVE-14389:
-----------------------------------

Hi @vihang,

Thanks for the patch. We should clean up the BeeLine output!

Checked the patch, overall it looks good to me, just a few questions:
- Could you please test the cases provided in HIVE-14525 (https://issues.apache.org/jira/browse/HIVE-14525?focusedCommentId=15432183&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-15432183)
- I am not really understand why the output is changes (Pattern.CASE_INSENSITIVE), or why
we have to remove the extra spaces around "nonEscapedSemiColon". Do you know what caused the
change?

Other than these, the patch looks good to me.

Thanks,
Peter
 

> Beeline should not output query and prompt to stdout
> ----------------------------------------------------
>
>                 Key: HIVE-14389
>                 URL: https://issues.apache.org/jira/browse/HIVE-14389
>             Project: Hive
>          Issue Type: Improvement
>          Components: Beeline
>            Reporter: Vihang Karajgaonkar
>            Assignee: Vihang Karajgaonkar
>            Priority: Minor
>         Attachments: HIVE-14389.01.patch, HIVE-14389.02.patch
>
>
> It seems that the Beeline prints the query along with the results in the stdout when
a script file is passed. The output file in the example below needs to only have the results
and not the query.
> {noformat}
> .vihang-MBP:bin vihang$ ./beeline --showheader=false --outformat=tsv2 -u "jdbc:hive2://localhost:10000"
-f /tmp/query.sql > /tmp/query.out 2> /tmp/query.err
> OK
> $ cat /tmp/query.out
> 1: jdbc:hive2://localhost:10000/default> select * from likes limit 4;
> +-----------+--------------+--+
> | 1         | chocolate    |
> | 1         | car          |
> | 1         | games        |
> | 1         | chess        |
> +-----------+--------------+--+
> 1: jdbc:hive2://localhost:10000/default>
> 1: jdbc:hive2://localhost:10000/default>
> $
> {noformat}
> A lot of people use HiveCLI and in order to transition from HiveCLI scripts to Beeline,
this needs to be taken care of. The output files generated by beeline should contain only
the results and nothing else.
> Similarly, when not in silent mode, query are being printed out on stdout, which is adding
garbage along with results, as just like HIVE CLI does, users would like to have only the
results on stdout, not errors/debugging info/etc, like the full query. 
> Query could be printed out, no problem, as long as it is not on stdout (with results),
instead, it must be printed out along with the debugging info.



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