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From "Jesus Camacho Rodriguez (JIRA)" <j...@apache.org>
Subject [jira] [Created] (ORC-340) ConvertTreeReaderFactory does not take into account timezone information
Date Fri, 13 Apr 2018 15:36:00 GMT
Jesus Camacho Rodriguez created ORC-340:
-------------------------------------------

             Summary: 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


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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