diff --git a/arrow/src/ipc/reader.rs b/arrow/src/ipc/reader.rs index 1ac51938219..da5098a5e9d 100644 --- a/arrow/src/ipc/reader.rs +++ b/arrow/src/ipc/reader.rs @@ -702,7 +702,7 @@ pub fn read_dictionary( DataType::Dictionary(_, ref value_type) => { // Make a fake schema for the dictionary batch. let schema = Schema { - fields: vec![Field::new("", value_type.as_ref().clone(), false)], + fields: vec![Field::new("", value_type.as_ref().clone(), true)], metadata: HashMap::new(), }; // Read a single column