[jira] [Assigned] (HIVE-4594) UDF should use setLenient(false) when using SimpleDateFormat for parsing given datestring

["Teddy Choi (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HIVE-4594?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Teddy Choi reassigned HIVE-4594:
--------------------------------

    Assignee: Minwoo Kim
    
> UDF should use setLenient(false) when using SimpleDateFormat for parsing given datestring
> -----------------------------------------------------------------------------------------
>
>                 Key: HIVE-4594
>                 URL: https://issues.apache.org/jira/browse/HIVE-4594
>             Project: Hive
>          Issue Type: Bug
>          Components: UDF
>            Reporter: Minwoo Kim
>            Assignee: Minwoo Kim
>            Priority: Minor
>
> If UDF has a date format of "MM/DD/YYYY" and the function supply it the String "9/5/05" the date should *not* be allowed.
> In most cases, parsing must be non-lenient; the given string must strictly adhere to the parsing format."
> For example,
> {code}
> select hour('2013-05-111 10:10:1') from src limit 1;
> {code}
> it returns 10.
> the result returned is not what is expected, it should be null;
> SimpleDateFormat is lenient by default.
> so, UDF should use setLenient(false) when using SimpleDateFormat for parsing given datestring except for very specific or intended case

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