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https://issues.apache.org/jira/browse/HIVE-17259?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16115943#comment-16115943
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ASF GitHub Bot commented on HIVE-17259:
---------------------------------------
GitHub user pvillard31 opened a pull request:
https://github.com/apache/hive/pull/223
HIVE-17259 - add support for UNIONTYPE in Hive JDBC columns
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/pvillard31/hive HIVE-17259
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/hive/pull/223.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 #223
----
commit ad9e44a6440b119cff4f4085e1b9b9f5e653ec37
Author: Pierre Villard <[email protected]>
Date: 2017-08-06T21:30:56Z
HIVE-17259 - add support for UNIONTYPE in Hive JDBC columns
----
> 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
>
> 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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