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Posted to issues@spark.apache.org by "Darcy Shen (JIRA)" <ji...@apache.org> on 2019/02/15 07:31:00 UTC

[jira] [Created] (SPARK-26885) Remove yyyy format in DataTimeUtils for stringToTimestamp and stringToDate

Darcy Shen created SPARK-26885:
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             Summary: Remove yyyy format in DataTimeUtils for stringToTimestamp and stringToDate
                 Key: SPARK-26885
                 URL: https://issues.apache.org/jira/browse/SPARK-26885
             Project: Spark
          Issue Type: Bug
          Components: SQL
    Affects Versions: 2.4.0
            Reporter: Darcy Shen


stringToTimestamp, stringToDate support yyyy, as a result:

select year("1912") => 1912

select month("1912") => 1

select hour("1912") => 0

 

In Presto or Hive, 

select year("1912") => null

select month("1912") => null

select hour("1912") => null

 

It is not a good idea to support yyyy for a Date/DateTime.

 



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