jayzhan211 commented on code in PR #15685:
URL: https://github.com/apache/datafusion/pull/15685#discussion_r2040512866


##########
datafusion/physical-expr/src/expressions/dynamic_filters.rs:
##########
@@ -159,35 +139,13 @@ impl DynamicFilterPhysicalExpr {
                 )
             })?
             .clone();
-        let inner =
-            Self::remap_children(&self.children, 
self.remapped_children.as_ref(), inner)?;

Review Comment:
   snapshot is actually an evaluated dynamic filter based on the schema.
   
   Basically, what you have is just the filter expression. You provide the 
schema to remap the column indexes. You get yet another filter expression.



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