ssimeonov commented on a change in pull request #35084:
URL: https://github.com/apache/spark/pull/35084#discussion_r777332336
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File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/trees/TreeNode.scala
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@@ -803,15 +803,9 @@ abstract class TreeNode[BaseType <: TreeNode[BaseType]]
extends Product with Tre
case tn: TreeNode[_] => tn.simpleString(maxFields) :: Nil
case seq: Seq[Any] if
seq.toSet.subsetOf(allChildren.asInstanceOf[Set[Any]]) => Nil
case iter: Iterable[_] if iter.isEmpty => Nil
- case seq: Seq[_] =>
Review comment:
@HyukjinKwon I added the bigger (DRYing) change below so you can see it
live. It's mechanical (low risk), but I'll be happy to revert back to the
single parens change if you are troubled by it.
It's just messy code: not even cut'n'paste as the two implementations for
`Set[_]` differ syntactically while doing exactly the same thing (one creates a
local `val` to simplify the expression).
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