[GitHub] [arrow-datafusion] viirya commented on a diff in pull request #4154: Improve error messages while downcasting Int64Array

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

viirya commented on code in PR #4154:
URL: https://github.com/apache/arrow-datafusion/pull/4154#discussion_r1018254807


##########
datafusion/core/tests/user_defined_plan.rs:
##########
@@ -551,11 +552,7 @@ fn accumulate_batch(
         .downcast_ref::<StringArray>()
         .expect("Column 0 is not customer_id");
 
-    let revenue = input_batch
-        .column(1)
-        .as_any()
-        .downcast_ref::<Int64Array>()
-        .expect("Column 1 is not revenue");
+    let revenue = as_int64_array(input_batch.column(1)).unwrap();

Review Comment:
   I think that you can still keep `.expect("Column 1 is not revenue");`?



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