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From "Vineet Garg (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-19723) Arrow serde: "Unsupported data type: Timestamp(NANOSECOND, null)"
Date Fri, 01 Jun 2018 17:08:00 GMT

    [ https://issues.apache.org/jira/browse/HIVE-19723?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16498242#comment-16498242
] 

Vineet Garg commented on HIVE-19723:
------------------------------------

Reverted from branch-3 as well. [~teddy.choi] Can you run test on branch-3 as well

> Arrow serde: "Unsupported data type: Timestamp(NANOSECOND, null)"
> -----------------------------------------------------------------
>
>                 Key: HIVE-19723
>                 URL: https://issues.apache.org/jira/browse/HIVE-19723
>             Project: Hive
>          Issue Type: Bug
>            Reporter: Teddy Choi
>            Assignee: Teddy Choi
>            Priority: Major
>              Labels: pull-request-available
>             Fix For: 3.1.0, 4.0.0
>
>         Attachments: HIVE-19723.1.patch, HIVE-19732.2.patch
>
>
> Spark's Arrow support only provides Timestamp at MICROSECOND granularity. Spark 2.3.0
won't accept NANOSECOND. Switch it back to MICROSECOND.
> The unit test org.apache.hive.jdbc.TestJdbcWithMiniLlapArrow will just need to change
the assertion to test microsecond. And we'll need to add this to documentation on supported
datatypes.



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