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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