Github user marmbrus commented on a diff in the pull request:
https://github.com/apache/spark/pull/4415#discussion_r24380116
--- Diff:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/optimizer/Optimizer.scala
---
@@ -116,6 +116,10 @@ object ColumnPruning extends Rule[LogicalPlan] {
case a @ Aggregate(_, _, child) if (child.outputSet --
a.references).nonEmpty =>
a.copy(child = Project(a.references.toSeq, child))
+ case p @ Project(pl, Aggregate(ge, ec, child))
+ if (ec.map(_.references).toSet -- p.references).nonEmpty =>
--- End diff --
indent 4.
Also I don't think this is doing what you want.
`ec.map(_.references).toSet` return a `Set[AttributeSet]`.
Instead you probably want `(a.outputSet -- p.references).nonEmpty` where
`a` is bound to the `Aggregate`
---
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]
