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https://issues.apache.org/jira/browse/SPARK-16423?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Hyukjin Kwon updated SPARK-16423:
---------------------------------
    Labels: bulk-closed  (was: )

> Inconsistent settings on the first day of a week
> ------------------------------------------------
>
>                 Key: SPARK-16423
>                 URL: https://issues.apache.org/jira/browse/SPARK-16423
>             Project: Spark
>          Issue Type: Bug
>          Components: SQL
>            Reporter: Yin Huai
>            Priority: Major
>              Labels: bulk-closed
>
> For the function {{WeekOfYear}}, we explicitly set the first day of the week 
> to {{Calendar.MONDAY}}. However, {{FromUnixTime}} does not explicitly set it. 
> So, we are using the default first day of the week based on the locale 
> setting (see 
> https://docs.oracle.com/javase/8/docs/api/java/util/Calendar.html#setFirstDayOfWeek-int-).
>  
> Let's do a survey on what other databases do and make the setting consistent. 



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