[jira] [Commented] (SPARK-28015) Check stringToDate() consumes entire input for the yyyy and yyyy-[m]m formats

["Dongjoon Hyun (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/SPARK-28015?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16882280#comment-16882280 ] 

Dongjoon Hyun commented on SPARK-28015:
---------------------------------------

Hi, [~yumwang]. I updated the JIRA title according to the PR.
- We will throw exceptions for `date` prefix
- We will return NULL for CASTING.

> Check stringToDate() consumes entire input for the yyyy and yyyy-[m]m formats
> -----------------------------------------------------------------------------
>
>                 Key: SPARK-28015
>                 URL: https://issues.apache.org/jira/browse/SPARK-28015
>             Project: Spark
>          Issue Type: Bug
>          Components: SQL
>    Affects Versions: 2.0.2, 2.1.3, 2.2.3, 2.3.3, 2.4.3
>            Reporter: Yuming Wang
>            Priority: Major
>
> Invalid date formats should throw an exception:
> {code:sql}
> SELECT date '1999 08 01'
> 1999-01-01
> {code}
> Supported date formats:
> https://github.com/apache/spark/blob/ab8710b57916a129fcb89464209361120d224535/sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/util/DateTimeUtils.scala#L365-L374



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