Karen Coppage created HIVE-22762:
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Summary: Leap day is incorrectly parsed during cast in Hive
Key: HIVE-22762
URL: https://issues.apache.org/jira/browse/HIVE-22762
Project: Hive
Issue Type: Bug
Components: HiveServer2
Reporter: Karen Coppage
Assignee: Karen Coppage
Fix For: 4.0.0
While casting a string to a date with a custom date format having day token
before year and moth tokens, the date is parsed incorrectly for leap days.
h3. How to reproduce
Execute {code}select cast("29 02 0" as date format "dd mm rr"){code} with Hive.
The query results in *2020-02-28*, incorrectly.
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Executing the another cast with a slightly modified representation of the date
(day is preceded by year and moth) is however correctly parsed:
{code}select cast("0 02 29" as date format "rr mm dd"){code}
It returns *2020-02-29*.
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