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https://issues.apache.org/jira/browse/HIVE-3844?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13822184#comment-13822184
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Thejas M Nair commented on HIVE-3844:
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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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