adriangb commented on code in PR #16589:
URL: https://github.com/apache/datafusion/pull/16589#discussion_r2265354910
##########
datafusion/physical-expr-adapter/src/schema_rewriter.rs:
##########
@@ -426,6 +527,77 @@ mod tests {
);
}
+ #[test]
+ fn test_rewrite_struct_column_incompatible() {
+ let physical_schema = Schema::new(vec![Field::new(
+ "data",
+ DataType::Struct(vec![Field::new("field1", DataType::Binary,
true)].into()),
+ true,
+ )]);
+
+ let logical_schema = Schema::new(vec![Field::new(
+ "data",
+ DataType::Struct(vec![Field::new("field1", DataType::Int32,
true)].into()),
+ true,
+ )]);
+
+ let factory = DefaultPhysicalExprAdapterFactory;
+ let adapter = factory.create(Arc::new(logical_schema),
Arc::new(physical_schema));
+ let column_expr = Arc::new(Column::new("data", 0));
+
+ let result = adapter.rewrite(column_expr);
+ assert!(result.is_err());
+ let error_msg = result.unwrap_err().to_string();
+ assert_contains!(error_msg, "Cannot cast column 'data'");
Review Comment:
thanks! 16ed5a045
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