Github user marmbrus commented on a diff in the pull request:
https://github.com/apache/spark/pull/4602#discussion_r28199798
--- Diff:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/namedExpressions.scala
---
@@ -112,6 +112,8 @@ case class Alias(child: Expression, name: String)(
extends NamedExpression with trees.UnaryNode[Expression] {
override type EvaluatedType = Any
+ // Alias(Generator, xx) need to be transformed into Generate(generator,
...)
+ override lazy val resolved = childrenResolved &&
!child.isInstanceOf[Generator]
--- End diff --
Instead, could we just have generators be unresolved until they have
aliases?
---
If your project is set up for it, you can reply to this email and have your
reply appear on GitHub as well. If your project does not have this feature
enabled and wishes so, or if the feature is enabled but not working, please
contact infrastructure at [email protected] or file a JIRA ticket
with INFRA.
---
---------------------------------------------------------------------
To unsubscribe, e-mail: [email protected]
For additional commands, e-mail: [email protected]
