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Posted to issues@spark.apache.org by "Maxim Gekk (Jira)" <ji...@apache.org> on 2019/11/16 13:27:00 UTC

[jira] [Commented] (SPARK-29927) Parse timestamps in microsecond precision by `to_timestamp`, `to_unix_timestamp`, `unix_timestamp`

    [ https://issues.apache.org/jira/browse/SPARK-29927?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16975697#comment-16975697 ] 

Maxim Gekk commented on SPARK-29927:
------------------------------------

[~cloud_fan] WDYT, does it make sense to change the functions as well?

> Parse timestamps in microsecond precision by `to_timestamp`, `to_unix_timestamp`, `unix_timestamp`
> --------------------------------------------------------------------------------------------------
>
>                 Key: SPARK-29927
>                 URL: https://issues.apache.org/jira/browse/SPARK-29927
>             Project: Spark
>          Issue Type: Improvement
>          Components: SQL
>    Affects Versions: 2.4.4
>            Reporter: Maxim Gekk
>            Priority: Major
>
> Currently, the `to_timestamp`, `to_unix_timestamp`, `unix_timestamp` functions uses SimpleDateFormat to parse strings to timestamps. SimpleDateFormat is able to parse only in millisecond precision if an user specified `SSS` in a pattern. The ticket aims to support parsing up to the microsecond precision.



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