[
https://issues.apache.org/jira/browse/SPARK-19496?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15939508#comment-15939508
]
Josh Rosen commented on SPARK-19496:
------------------------------------
Let's make sure to document this clearly in the release notes. I just spent a
bunch of time debugging what turned out to be an invalid pattern which happened
to work by accident before but now is returning {{null}}. Adding this to the
release notes may save some pain when folks upgrade.
> to_date with format has weird behavior
> --------------------------------------
>
> Key: SPARK-19496
> URL: https://issues.apache.org/jira/browse/SPARK-19496
> Project: Spark
> Issue Type: Bug
> Components: SQL
> Affects Versions: 2.1.0
> Reporter: Wenchen Fan
> Assignee: Song Jun
> Labels: release-notes
> Fix For: 2.2.0
>
>
> Today, if we run
> {code}
> SELECT to_date('2015-07-22', 'yyyy-dd-MM')
> {code}
> will result to `2016-10-07`, while running
> {code}
> SELECT to_date('2014-31-12') # default format
> {code}
> will return null.
> this behavior is weird and we should check other systems like hive to see if
> this is expected.
--
This message was sent by Atlassian JIRA
(v6.3.15#6346)
---------------------------------------------------------------------
To unsubscribe, e-mail: [email protected]
For additional commands, e-mail: [email protected]
