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From "Peter Vary (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-14146) Column comments with "\n" character "corrupts" table metadata
Date Tue, 05 Jul 2016 14:59:10 GMT

    [ https://issues.apache.org/jira/browse/HIVE-14146?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15362599#comment-15362599
] 

Peter Vary commented on HIVE-14146:
-----------------------------------

Thanks [~niklaus.xiao].
For human use, your solution is perfect, but we had to parse the response by code.
My example above is clearly a bug, which should be solved. My proposed solution is to print
out an escaped \n for this scenario.

> Column comments with "\n" character "corrupts" table metadata
> -------------------------------------------------------------
>
>                 Key: HIVE-14146
>                 URL: https://issues.apache.org/jira/browse/HIVE-14146
>             Project: Hive
>          Issue Type: Bug
>          Components: Beeline
>    Affects Versions: 2.2.0
>            Reporter: Peter Vary
>            Assignee: Peter Vary
>
> Create a table with the following(noting the \n in the COMMENT):
> {noformat}
> CREATE TABLE commtest(first_nm string COMMENT 'Indicates First name\nof an individual’);
> {noformat}
> Describe shows that now the metadata is messed up:
> {noformat}
> beeline> describe commtest;
> +-------------------+------------+-----------------------+--+
> |     col_name      | data_type  |        comment        |
> +-------------------+------------+-----------------------+--+
> | first_nm             | string       | Indicates First name  |
> | of an individual  | NULL       | NULL                  |
> +-------------------+------------+-----------------------+--+
> {noformat}



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