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https://issues.apache.org/jira/browse/HIVE-4525?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13656141#comment-13656141
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Mikhail Bautin commented on HIVE-4525:
--------------------------------------
Correction to the design of this feature (I can't edit comments because of
permissions, so adding another comment). In case the seconds field needs more
than 31 bit, the first VInt is {{-1-reversedDecimal}} regardless of whether
{{reversedDecimal}} is zero or not.
> Support timestamps earlier than 1970 and later than 2038
> --------------------------------------------------------
>
> Key: HIVE-4525
> URL: https://issues.apache.org/jira/browse/HIVE-4525
> Project: Hive
> Issue Type: Bug
> Reporter: Mikhail Bautin
> Assignee: Mikhail Bautin
> Attachments: D10755.1.patch
>
>
> TimestampWritable currently serializes timestamps using the lower 31 bits of
> an int. This does not allow to store timestamps earlier than 1970 or later
> than a certain point in 2038.
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