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https://issues.apache.org/jira/browse/ORC-340?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Owen O'Malley resolved ORC-340.
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Resolution: Not A Problem
> ConvertTreeReaderFactory does not take into account timezone information
> ------------------------------------------------------------------------
>
> Key: ORC-340
> URL: https://issues.apache.org/jira/browse/ORC-340
> Project: ORC
> Issue Type: Bug
> Components: evolution
> Reporter: Jesus Camacho Rodriguez
> Priority: Critical
>
> When converting timestamp/date to string group, {{toString}} is called on
> {{java.sql.Date}} and {{java.sql.Timestamp}}, which pick up the default time
> zone to represent the date/time as a String. This can lead to the wrong
> String representation. See
> {{ConvertTreeReaderFactory.StringGroupFromTimestampTreeReader}} or
> {{ConvertTreeReaderFactory.StringGroupFromDateTreeReader}}.
> {{StringGroupFromTimestampTreeReader}} should apply shifting, similar to
> {{TreeReaderFactory.TimestampTreeReader}}.
> {{StringGroupFromDateTreeReader}} should use a date formatter in UTC.
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