Align vector ordering with PostgreSQL NULL semantics

Author: Brijesh-Thakkar

datafusion/common/src/utils/mod.rs

@@ -1027,25 +1027,23 @@ mod tests {
                 Null,
                 ScalarValue::Int32(Some(0)),
             ]
-            .partial_cmp(&vec![
+            < vec![
                 ScalarValue::Int32(Some(2)),
                 Null,
                 ScalarValue::Int32(Some(1)),
-            ])
-            .is_none()
+            ]
         );
         assert!(
             vec![
                 ScalarValue::Int32(Some(2)),
                 ScalarValue::Int32(None),
                 ScalarValue::Int32(Some(0)),
             ]
-            .partial_cmp(&vec![
+            < vec![
                 ScalarValue::Int32(Some(2)),
                 ScalarValue::Int32(None),
                 ScalarValue::Int32(Some(1)),
-            ])
-            .is_none()
+            ]
         );
     }