viirya commented on code in PR #8823:
URL: https://github.com/apache/arrow-datafusion/pull/8823#discussion_r1449422452


##########
datafusion/physical-expr/src/planner.rs:
##########
@@ -43,29 +43,17 @@ use std::sync::Arc;
 /// * `e` - The logical expression
 /// * `input_dfschema` - The DataFusion schema for the input, used to resolve 
`Column` references
 ///                      to qualified or unqualified fields by name.
-/// * `input_schema` - The Arrow schema for the input, used for determining 
expression data types
-///                    when performing type coercion.
 pub fn create_physical_expr(
     e: &Expr,
     input_dfschema: &DFSchema,
-    input_schema: &Schema,

Review Comment:
   Then it is weird to have duplicate parameters. I guess it might has some 
reason (i.e., rare cases they might be different).
   
   @liukun4515 Do you remember it?



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