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https://issues.apache.org/jira/browse/ORC-554?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Laszlo Bodor updated ORC-554:
-----------------------------
    Attachment: ORC-554.repro.nanos.patch

> Float to timestamp schema evolution handles time/nanoseconds incorrectly
> ------------------------------------------------------------------------
>
>                 Key: ORC-554
>                 URL: https://issues.apache.org/jira/browse/ORC-554
>             Project: ORC
>          Issue Type: Bug
>            Reporter: Laszlo Bodor
>            Assignee: Laszlo Bodor
>            Priority: Major
>         Attachments: ORC-554.repro.nanos.patch, ORC-554.repro.patch
>
>
> During ORC-539 I found a reproducible issue:  [^ORC-554.repro.patch] 
> seems like float to timestamp schema evolution loses nanoseconds somewhere, 
> moreover, seconds are not correct in the result TimestampColumnVector
> https://issues.apache.org/jira/browse/ORC-539?focusedCommentId=16928308&page=com.atlassian.jira.plugin.system.issuetabpanels%3Acomment-tabpanel#comment-16928308



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