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Posted to issues@hive.apache.org by "Karen Coppage (JIRA)" <ji...@apache.org> on 2019/01/11 15:53:00 UTC
[jira] [Commented] (HIVE-20980) Reinstate Parquet timestamp
conversion between HS2 time zone and UTC
[ https://issues.apache.org/jira/browse/HIVE-20980?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16740513#comment-16740513 ]
Karen Coppage commented on HIVE-20980:
--------------------------------------
[~jcamachorodriguez], may I have your two cents' worth on this patch? Does it need more discussion with the community or is it ready to go?
> Reinstate Parquet timestamp conversion between HS2 time zone and UTC
> --------------------------------------------------------------------
>
> Key: HIVE-20980
> URL: https://issues.apache.org/jira/browse/HIVE-20980
> Project: Hive
> Issue Type: Sub-task
> Components: File Formats
> Reporter: Karen Coppage
> Assignee: Karen Coppage
> Priority: Major
> Attachments: HIVE-20980.1.patch, HIVE-20980.2.patch, HIVE-20980.2.patch
>
>
> With HIVE-20007, Parquet timestamps became timezone-agnostic. This means that timestamps written after the change are read exactly as they were written; but timestamps stored before this change are effectively converted from the writing HS2 server time zone to GMT time zone. This patch reinstates the original behavior: timestamps are converted to UTC before write and from UTC before read.
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