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Posted to issues@spark.apache.org by "Wenchen Fan (Jira)" <ji...@apache.org> on 2020/03/18 12:38:00 UTC

[jira] [Assigned] (SPARK-31176) Remove support for 'e'/'c' as datetime pattern charactar

     [ https://issues.apache.org/jira/browse/SPARK-31176?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Wenchen Fan reassigned SPARK-31176:
-----------------------------------

    Assignee: Kent Yao

> Remove support for 'e'/'c' as datetime pattern charactar 
> ---------------------------------------------------------
>
>                 Key: SPARK-31176
>                 URL: https://issues.apache.org/jira/browse/SPARK-31176
>             Project: Spark
>          Issue Type: Bug
>          Components: SQL
>    Affects Versions: 3.0.0
>            Reporter: Kent Yao
>            Assignee: Kent Yao
>            Priority: Major
>
> The meaning of 'u' was day number of week in SimpleDateFormat, it was changed to year in DateTimeFormatter.  So we keep the old meaning of 'u' by substituting 'u' to 'e' internally and use DateTimeFormatter to parse the pattern string. In DateTimeFormatter, the 'e' and 'c' also represents day-of-week, we should mark them as illegal pattern character to stay the same as before. 



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