x

Author: forsaken628

src/query/expression/src/stat_evaluator.rs

@@ -121,6 +121,20 @@ impl<'a> StatEvaluator<'a> {
         });
 
         match res {
+            Ok(None) => Ok(None),
+            Ok(Some(res)) => {
+                if cfg!(debug_assertions) {
+                    let return_type = call.return_type.remove_generics(&call.generics);
+                    res.check_consistency_with_type(Some(&return_type))
+                        .map_err(|msg| {
+                            ErrorCode::Internal(format!(
+                                "Failed to derive statistics for function {:?}: {msg}",
+                                call.function.signature.name
+                            ))
+                        })?;
+                }
+                Ok(Some(res))
+            }
             Err(msg) => {
                 if cfg!(debug_assertions) {
                     Err(ErrorCode::Internal(format!(
@@ -132,7 +146,6 @@ impl<'a> StatEvaluator<'a> {
                     Ok(None)
                 }
             }
-            Ok(res) => Ok(res),
         }
     }
 }