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https://issues.apache.org/jira/browse/SPARK-48430?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Wenchen Fan resolved SPARK-48430.
---------------------------------
Fix Version/s: 4.0.0
Resolution: Fixed
Issue resolved by pull request 46758
[https://github.com/apache/spark/pull/46758]
> Fix map value extraction when map contains collated strings
> -----------------------------------------------------------
>
> Key: SPARK-48430
> URL: https://issues.apache.org/jira/browse/SPARK-48430
> Project: Spark
> Issue Type: Task
> Components: SQL
> Affects Versions: 4.0.0
> Reporter: Nikola Mandic
> Assignee: Nikola Mandic
> Priority: Major
> Labels: pull-request-available
> Fix For: 4.0.0
>
>
> Following queries return unexpected results:
> {code:java}
> select collation(map('a', 'b' collate utf8_binary_lcase)['a']);
> select collation(element_at(map('a', 'b' collate utf8_binary_lcase),
> 'a'));{code}
> Both return UTF8_BINARY instead of UTF8_BINARY_LCASE.
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