[SPARK-28323] PythonUDF should be able to use in join condition

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 3.0.0
• Fix Version/s: 3.0.0
• Component/s: PySpark, SQL
• Assignee: L. C. Hsieh
• Reporter: L. C. Hsieh
• Created: 10/Jul/19 04:16
• Updated: 12/Dec/22 18:10
• Resolved: 11/Jul/19 00:39

Description

There is a bug in ExtractPythonUDFs that produces wrong result attributes. It causes a failure when using PythonUDFs among multiple child plans, e.g., join. An example is using PythonUDFs in join condition.

Issue Links

• is related to: SPARK-28276 Convert and port 'cross-join.sql' into UDF test base
• is related to: SPARK-28278 Convert and port 'except-all.sql' into UDF test base
• links to: GitHub Pull Request #25091