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

["Lauri Koobas (Jira)" <ji...@apache.org>]

Lauri Koobas created SPARK-34421:
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             Summary: 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


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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