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https://issues.apache.org/jira/browse/SPARK-24151?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16461957#comment-16461957
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Dongjoon Hyun commented on SPARK-24151:
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Thank you for reporting and fixing this, [~jamesthomp].
I also checked that this is a regression at Apache Spark 2.2.1 as you reported.
> CURRENT_DATE, CURRENT_TIMESTAMP incorrectly resolved as column names when
> caseSensitive is enabled
> --------------------------------------------------------------------------------------------------
>
> Key: SPARK-24151
> URL: https://issues.apache.org/jira/browse/SPARK-24151
> Project: Spark
> Issue Type: Bug
> Components: SQL
> Affects Versions: 2.2.1, 2.3.0
> Reporter: James Thompson
> Priority: Major
>
> After this change: https://issues.apache.org/jira/browse/SPARK-22333
> Running SQL such as "CURRENT_TIMESTAMP" can fail spark.sql.caseSensitive has
> been enabled:
> {code:java}
> org.apache.spark.sql.AnalysisException: cannot resolve '`CURRENT_TIMESTAMP`'
> given input columns: [col1]{code}
> This is due to the fact that the analyzer incorrectly uses a case sensitive
> resolver to resolve the function. I will submit a PR with a fix + test for
> this.
>
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