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Posted to issues@spark.apache.org by "Hyukjin Kwon (Jira)" <ji...@apache.org> on 2019/10/08 05:44:22 UTC
[jira] [Resolved] (SPARK-25230) Upper behavior incorrect for string contains "ß"
[ https://issues.apache.org/jira/browse/SPARK-25230?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Hyukjin Kwon resolved SPARK-25230.
----------------------------------
Resolution: Incomplete
> Upper behavior incorrect for string contains "ß"
> ------------------------------------------------
>
> Key: SPARK-25230
> URL: https://issues.apache.org/jira/browse/SPARK-25230
> Project: Spark
> Issue Type: Bug
> Components: SQL
> Affects Versions: 2.3.1
> Reporter: Yuming Wang
> Priority: Major
> Labels: bulk-closed
> Attachments: MySQL.png, Oracle.png, Teradata.jpeg
>
>
> How to reproduce:
> {code:sql}
> spark-sql> SELECT upper('Haßler');
> HASSLER
> {code}
> Mainstream databases returns {{HAßLER}}.
> !MySQL.png!
>
> This behavior may lead to data inconsistency:
> {code:sql}
> create temporary view SPARK_25230 as select * from values
> ("Hassler"),
> ("Haßler")
> as EMPLOYEE(name);
> select UPPER(name) from SPARK_25230 group by 1;
> -- result
> HASSLER{code}
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