HyukjinKwon commented on code in PR #36883:
URL: https://github.com/apache/spark/pull/36883#discussion_r898585360
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sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/generators.scala:
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@@ -444,7 +444,8 @@ case class Inline(child: Expression) extends
UnaryExpression with CollectionGene
}
override def elementSchema: StructType = child.dataType match {
- case ArrayType(st: StructType, _) => st
+ case ArrayType(st: StructType, false) => st
+ case ArrayType(st: StructType, true) => st.asNullable
Review Comment:
qq: does Hive also interprets `null` as `Row(null, ...)` in `inline` too? If
that's the case, the change seems fine.
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