Github user gatorsmile commented on a diff in the pull request:
https://github.com/apache/spark/pull/16100#discussion_r90543899
--- Diff:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/plans/joinTypes.scala
---
@@ -100,7 +100,7 @@ case class NaturalJoin(tpe: JoinType) extends JoinType {
override def sql: String = "NATURAL " + tpe.sql
}
-case class UsingJoin(tpe: JoinType, usingColumns:
Seq[UnresolvedAttribute]) extends JoinType {
--- End diff --
Yeah, we do not support the nested field. It also fails with your newly
changed error.
```
sql("CREATE TABLE complexTypeTable (s struct)")
val df = table("complexTypeTable")
df.as("b").join(df.as("a"), "s.i").show()
```
Could you add the test case for it? Thanks!
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