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https://issues.apache.org/jira/browse/ORC-546?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Owen O'Malley reopened ORC-546:
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> The timestamps are getting duplicated millis after ORC-306.
> -----------------------------------------------------------
>
> Key: ORC-546
> URL: https://issues.apache.org/jira/browse/ORC-546
> Project: ORC
> Issue Type: Bug
> Components: Java
> Reporter: Owen O'Malley
> Assignee: Owen O'Malley
> Priority: Major
> Fix For: 1.4.5, 1.5.7, 1.6.0
>
> Time Spent: 20m
> Remaining Estimate: 0h
>
> The Hive's TimestampColumnVector has a bad design with millis from 1970 and
> nanos within the second. This is consistent with java.sql.Timestamp, but it
> causes the millis to overlap with the nanos.
> ORC-306 changed the behavior from:
> millis: xxxx000, nanos: 123456789
> to:
> millis: xxxx123, nanos: 123456789
> that means that addition of the millis & nanos doubles the contribution of
> the millis.
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