[jira] [Updated] (SPARK-34421) Custom functions can't be used in temporary views with CTEs

["Xiao Li (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/SPARK-34421?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Xiao Li updated SPARK-34421:
----------------------------
    Priority: Blocker  (was: Major)

> Custom functions can't be used in temporary views with CTEs
> -----------------------------------------------------------
>
>                 Key: SPARK-34421
>                 URL: https://issues.apache.org/jira/browse/SPARK-34421
>             Project: Spark
>          Issue Type: Bug
>          Components: SQL
>    Affects Versions: 3.1.0
>         Environment: Databricks Runtime 8.0
>            Reporter: Lauri Koobas
>            Priority: Blocker
>
> Works in DBR 7.4, which is Spark 3.0.1. Breaks in DBR8.0(beta), which is Spark 3.1.
>  
> Start with:
> {{spark.udf.registerJavaFunction("custom_func", "com.stuff.path.custom_func", LongType())}}
>  
> Works: * {{select custom_func()}}
>  * {{create temporary view blaah as select custom_func()}}
>  * {{with step_1 as ( select custom_func() ) select * from step_1}}
> Broken:
> {{create temporary view blaah as with step_1 as ( select custom_func() ) select * from step_1}}
>  
> followed by:
> {{select * from blaah}}
>  
> Error:
> {{Error in SQL statement: AnalysisException: No handler for UDF/UDAF/UDTF '}}{{com.stuff.path.custom_func}}{{';}}



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