[GitHub] [arrow-datafusion] andygrove commented on a diff in pull request #2357: Implement physical planner support for DATE +/- INTERVAL

[GitBox <gi...@apache.org>]

andygrove commented on code in PR #2357:
URL: https://github.com/apache/arrow-datafusion/pull/2357#discussion_r862049831


##########
datafusion/core/src/optimizer/simplify_expressions.rs:
##########
@@ -400,9 +402,9 @@ impl<'a> ConstEvaluator<'a> {
     }
 
     /// Internal helper to evaluates an Expr
-    pub(crate) fn evaluate_to_scalar(&self, expr: Expr) -> Result<ScalarValue> {
+    pub(crate) fn evaluate_to_scalar(&self, expr: &Expr) -> Result<ScalarValue> {
         if let Expr::Literal(s) = expr {
-            return Ok(s);
+            return Ok(s.clone());

Review Comment:
   @alamb I reverted this change and actually completely changed direction on this PR ... please see the updated PR description.



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