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Date: Mon, 23 Oct 2017 03:19:00 +0000 (UTC)
From: "Ashutosh Chauhan (JIRA)" <jira@apache.org>
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Subject: [jira] [Commented] (HIVE-17259) Hive JDBC does not recognize
 UNIONTYPE columns
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archived-at: Mon, 23 Oct 2017 03:19:04 -0000


    [ https://issues.apache.org/jira/browse/HIVE-17259?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16214577#comment-16214577 ] 

Ashutosh Chauhan commented on HIVE-17259:
-----------------------------------------

[~pvillard] Patch didn't apply cleanly. You need to rebase the patch and upload again.

> Hive JDBC does not recognize UNIONTYPE columns
> ----------------------------------------------
>
>                 Key: HIVE-17259
>                 URL: https://issues.apache.org/jira/browse/HIVE-17259
>             Project: Hive
>          Issue Type: Bug
>          Components: Beeline, JDBC
>         Environment: Hive 1.2.1000.2.6.1.0-129
> Beeline version 1.2.1000.2.6.1.0-129 by Apache Hive
>            Reporter: Pierre Villard
>            Assignee: Pierre Villard
>         Attachments: HIVE-17259.patch
>
>
> Hive JDBC does not recognize UNIONTYPE columns.
> I've an external table backed by an avro schema containing a union type field.
> {noformat}
> "name" : "value",
> "type" : [ "int", "string", "null" ]
> {noformat}
> When describing the table I've:
> {noformat}
> describe test_table;
> +-------------------+---------------------------------------------------------------+----------+--+
> |     col_name      |                           data_type                           | comment  |
> +-------------------+---------------------------------------------------------------+----------+--+
> | description       | string                                                        |          |
> | name              | string                                                        |          |
> | value             | uniontype<int,string,void>                                    |          |
> +-------------------+---------------------------------------------------------------+----------+--+
> {noformat}
> When doing a select query over the data using the Hive CLI, it works:
> {noformat}
> hive> select value from test_table;
> OK
> {0:10}
> {0:10}
> {0:9}
> {0:9}
> ...
> {noformat}
> But when using beeline, it fails:
> {noformat}
> 0: jdbc:hive2://....> select * from test_table;
> Error: Unrecognized column type: UNIONTYPE (state=,code=0)
> {noformat}
> By applying the patch provided with this JIRA, the command succeeds and return the expected output.


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