nevi-me commented on a change in pull request #8546:
URL: https://github.com/apache/arrow/pull/8546#discussion_r514007477
##########
File path: rust/parquet/src/arrow/schema.rs
##########
@@ -1194,6 +1372,17 @@ mod tests {
});
}
+ #[test]
+ #[should_panic(expected = "Parquet does not support writing empty
structs")]
+ fn test_empty_struct_field() {
+ let arrow_fields = vec![Field::new("struct", DataType::Struct(vec![]),
false)];
+ let arrow_schema = Schema::new(arrow_fields);
+ let converted_arrow_schema = arrow_to_parquet_schema(&arrow_schema);
+
+ assert!(converted_arrow_schema.is_err());
+ converted_arrow_schema.unwrap();
+ }
Review comment:
I'll fix what you've raised here in a follow up PR
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