[SPARK-32090] UserDefinedType.equal() does not have symmetry

• Type: Improvement
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 2.1.1, 2.2.0, 2.3.0, 2.4.0, 3.0.0
• Fix Version/s: 2.4.8, 3.0.2, 3.1.0
• Component/s: SQL
• Assignee: wuyi
• Reporter: wuyi
• Created: 24/Jun/20 12:57
• Updated: 27/Oct/20 23:55
• Resolved: 29/Jun/20 04:49

Description

ExampleSubTypeUDT.userClass is a subclass of ExampleBaseTypeUDT.userClass
val udt1 = new ExampleBaseTypeUDT
val udt2 = new ExampleSubTypeUDT
println(udt1 == udt2) // true
println(udt2 == udt1) // false

Issue Links

• links to: [Github] Pull Request #28923 (Ngone51)