[FLINK-33063] udaf with user defined pojo object throw error while generate record equaliser

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 1.18.0
• Fix Version/s: 1.18.0, 1.19.0
• Component/s: Table SQL / Runtime
• Labels: pull-request-available
• Assignee: Yunhong Zheng
• Reporter: Yunhong Zheng
• Created: 08/Sep/23 02:33
• Updated: 12/Sep/23 03:09
• Resolved: 12/Sep/23 03:09

Description

Udaf with user define pojo object throw error while generating record equaliser: 

When user create an udaf while recore contains user define complex pojo object (like List<UserDefinedObject> or Map<UserDefinedObject>). The codegen will throw error while generating record equaliser, the error is:

A method named "compareTo" is not declared in any enclosing class nor any subtype, nor through a static import.

Issue Links

• links to: GitHub Pull Request #23374
• links to: GitHub Pull Request #23388