Fixed for updated Views.

Author: egormanga

crates/execution/src/lib.rs

@@ -121,14 +121,15 @@ impl Hash for Row<'_> {
 impl Row<'_> {
     pub fn to_product_value(&self) -> ProductValue {
         match self {
-            Self::Null => ProductValue { elements: Box::new([]) },
+            Self::Null => [].into(),
             Self::Ptr(ptr) => ptr.to_product_value(),
             Self::Ref(val) => (*val).clone(),
         }
     }
 
     pub fn project_product(self, cols: &ColList) -> Result<ProductValue, InvalidFieldError> {
         match self {
+            Self::Null => Ok([].into()),
             Self::Ptr(ptr) => ptr.project_product(cols),
             Self::Ref(val) => val.project_product(cols),
         }