erratic-pattern commented on code in PR #10386:
URL: https://github.com/apache/datafusion/pull/10386#discussion_r1600964245
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datafusion/common/src/tree_node.rs:
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@@ -172,7 +172,7 @@ pub trait TreeNode: Sized {
/// TreeNodeRewriter::f_up(ChildNode2)
/// TreeNodeRewriter::f_up(ParentNode)
/// ```
- fn rewrite<R: TreeNodeRewriter<Node = Self>>(
+ fn rewrite<R: TreeNodeRewriter<Node = Self> + ?Sized>(
Review Comment:
Needed in order to be callable with a trait object
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