chris-twiner commented on code in PR #50023:
URL: https://github.com/apache/spark/pull/50023#discussion_r1971693941
##########
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/DeserializerBuildHelper.scala:
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@@ -270,6 +270,8 @@ object DeserializerBuildHelper {
enc: AgnosticEncoder[_],
path: Expression,
walkedTypePath: WalkedTypePath): Expression = enc match {
+ case ae: AgnosticExpressionPathEncoder[_] =>
+ ae.fromCatalyst(path)
Review Comment:
The "SPARK-49960: joinWith custom encoder" in DatasetSuite tests it
```scala
val ds2 = spark.createDataset[ClassData](Seq(ClassData("a", 1),
ClassData("b", 2)))(CustomPathEncoder.custClassDataEnc)
```
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