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https://issues.apache.org/jira/browse/SPARK-28624?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16900083#comment-16900083
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Maxim Gekk commented on SPARK-28624:
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The problem is in storing values of DATE type to a hive table. The values (days
since epoch) are converted to java.sql.Date, and after that serialized to
string by hive-exec *using Date.toString() which is wrong*, see the attached
screenshot.
> make_date is inconsistent when reading from table
> -------------------------------------------------
>
> Key: SPARK-28624
> URL: https://issues.apache.org/jira/browse/SPARK-28624
> Project: Spark
> Issue Type: Bug
> Components: SQL
> Affects Versions: 3.0.0
> Reporter: Yuming Wang
> Priority: Major
> Attachments: Screen Shot 2019-08-05 at 18.19.39.png
>
>
> {code:sql}
> spark-sql> create table test_make_date as select make_date(-44, 3, 15) as d;
> spark-sql> select d, make_date(-44, 3, 15) from test_make_date;
> 0045-03-15 -0044-03-15
> spark-sql>
> {code}
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