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Posted to issues@spark.apache.org by "Kent Yao (Jira)" <ji...@apache.org> on 2020/05/29 07:58:00 UTC

[jira] [Created] (SPARK-31867) Fix silent data change for datetime formatting

Kent Yao created SPARK-31867:
--------------------------------

             Summary: Fix silent data change for datetime formatting 
                 Key: SPARK-31867
                 URL: https://issues.apache.org/jira/browse/SPARK-31867
             Project: Spark
          Issue Type: Bug
          Components: SQL
    Affects Versions: 3.0.0, 3.1.0
            Reporter: Kent Yao



{code:java}
spark-sql> select from_unixtime(1, 'yyyyyyyyyyy-MM-dd');
NULL
spark-sql> set spark.sql.legacy.timeParserPolicy=legacy;
spark.sql.legacy.timeParserPolicy	legacy
spark-sql> select from_unixtime(1, 'yyyyyyyyyyy-MM-dd');
00000001970-01-01
spark-sql>
{code}




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