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Posted to issues@spark.apache.org by "Maxim Gekk (JIRA)" <ji...@apache.org> on 2019/04/03 19:29:00 UTC
[jira] [Updated] (SPARK-27357) Cast timestamps to/from dates
independently from time zones
[ https://issues.apache.org/jira/browse/SPARK-27357?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Maxim Gekk updated SPARK-27357:
-------------------------------
Summary: Cast timestamps to/from dates independently from time zones (was: Convert timestamps to/from dates independently from time zones)
> Cast timestamps to/from dates independently from time zones
> -----------------------------------------------------------
>
> Key: SPARK-27357
> URL: https://issues.apache.org/jira/browse/SPARK-27357
> Project: Spark
> Issue Type: Improvement
> Components: SQL
> Affects Versions: 2.4.0
> Reporter: Maxim Gekk
> Priority: Minor
>
> Both Catalyst's types TIMESTAMP and DATE internally represent time intervals since epoch in UTC time zone. The TIMESTAMP type contains number of microseconds since epoch, and DATE is number of days since epoch (00:00:00 1 January 1970). As a consequence of that, the conversion should be independent from session or local time zone. The ticket aims to fix current behavior and makes the conversion independent from time zones.
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