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https://issues.apache.org/jira/browse/SPARK-28015?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Dongjoon Hyun resolved SPARK-28015.
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Resolution: Fixed
Assignee: Maxim Gekk
Fix Version/s: 3.0.0
This is resolved via https://github.com/apache/spark/pull/25097
> 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: 1.6.3, 2.0.2, 2.1.3, 2.2.3, 2.3.3, 2.4.3
> Reporter: Yuming Wang
> Assignee: Maxim Gekk
> Priority: Major
> Labels: correctness
> Fix For: 3.0.0
>
>
> 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
> Since Spark 1.6.3 ~ 2.4.3, the behavior is the same.
> {code}
> spark-sql> SELECT CAST('1999 08 01' AS DATE);
> 1999-01-01
> {code}
> Hive returns NULL.
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