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From "Thejas M Nair (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-3844) Unix timestamps don't seem to be read correctly from HDFS as Timestamp column
Date Thu, 14 Nov 2013 05:47:22 GMT

    [ https://issues.apache.org/jira/browse/HIVE-3844?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13822184#comment-13822184
] 

Thejas M Nair commented on HIVE-3844:
-------------------------------------

For now, I have updated the doc to say what text format is supported - https://cwiki.apache.org/confluence/pages/diffpagesbyversion.action?pageId=27838462&selectedPageVersions=27&selectedPageVersions=26

> Unix timestamps don't seem to be read correctly from HDFS as Timestamp column
> -----------------------------------------------------------------------------
>
>                 Key: HIVE-3844
>                 URL: https://issues.apache.org/jira/browse/HIVE-3844
>             Project: Hive
>          Issue Type: Bug
>          Components: Serializers/Deserializers
>    Affects Versions: 0.8.0
>            Reporter: Mark Grover
>            Assignee: Venki Korukanti
>         Attachments: HIVE-3844.1.patch.txt
>
>
> Serega Shepak pointed out that something like
> {code}
> select cast(date_occurrence as timestamp) from xvlr_data limit 10
> {code}
> where  date_occurrence has BIGINT type (timestamp in milliseconds) works. But it doesn't
work if the declared type is TIMESTAMP on column. The data in the date_occurence column in
unix timestamp in millis.



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