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https://issues.apache.org/jira/browse/HIVE-25306?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17386211#comment-17386211
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Stamatis Zampetakis commented on HIVE-25306:
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[~ashish-kumar-sharma] If you can please go over the related issues and mark as
resolved those fixed by this PR.
> Change Date/Timestamp parser from LENIENT to STRICT
> ---------------------------------------------------
>
> Key: HIVE-25306
> URL: https://issues.apache.org/jira/browse/HIVE-25306
> Project: Hive
> Issue Type: Bug
> Components: Query Planning, UDF
> Reporter: Ashish Sharma
> Assignee: Ashish Sharma
> Priority: Major
> Labels: backwards-compatibility, datetime,
> pull-request-available, timestamp
> Fix For: 4.0.0
>
> Attachments: DB_compare.JPG
>
> Time Spent: 3h
> Remaining Estimate: 0h
>
> Description -
> Currently Date.java and Timestamp.java use DateTimeFormatter for parsing to
> convert the date/timpstamp from int,string,char etc to Date or Timestamp.
> Default DateTimeFormatter which use ResolverStyle.LENIENT which mean date
> like "1992-13-12" is converted to "2000-01-12",
> Moving DateTimeFormatter which use ResolverStyle.STRICT which mean date like
> "1992-13-12" is not be converted instead NULL is return.
> https://docs.google.com/document/d/1YTTPlNq3qyzlKfYVkSl3EFhVQ6-wa9WFRdkdIeCoc1Y/edit?usp=sharing
>
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