test: fix unit tests

Author: CookiePieWw

src/datatypes/src/schema/column_schema.rs

@@ -549,14 +549,19 @@ mod tests {
         assert!(column_schema.metadata.is_empty());
 
         let field = Field::new("test", ArrowDataType::Binary, true);
-        let field =
-            field.with_metadata(Metadata::from([(TYPE_KEY.to_string(), "Json".to_string())]));
+        let field = field.with_metadata(Metadata::from([(
+            TYPE_KEY.to_string(),
+            ConcreteDataType::json_datatype().name(),
+        )]));
         let column_schema = ColumnSchema::try_from(&field).unwrap();
         assert_eq!("test", column_schema.name);
         assert_eq!(ConcreteDataType::json_datatype(), column_schema.data_type);
         assert!(column_schema.is_nullable);
         assert!(!column_schema.is_time_index);
         assert!(column_schema.default_constraint.is_none());
-        assert!(column_schema.metadata.is_empty());
+        assert_eq!(
+            column_schema.metadata.get(TYPE_KEY).unwrap(),
+            &ConcreteDataType::json_datatype().name()
+        );
     }
 }

src/datatypes/src/value.rs

@@ -321,7 +321,7 @@ impl Value {
         let value_type_id = self.logical_type_id();
         let output_type_id = output_type.logical_type_id();
         ensure!(
-            output_type_id == value_type_id || self.is_null(),
+            output_type_id == value_type_id || self.is_null() || (output_type_id == LogicalTypeId::Json && value_type_id == LogicalTypeId::Binary),
             error::ToScalarValueSnafu {
                 reason: format!(
                     "expect value to return output_type {output_type_id:?}, actual: {value_type_id:?}",
@@ -1824,14 +1824,6 @@ mod tests {
             &ConcreteDataType::decimal128_datatype(38, 10),
             &Value::Decimal128(Decimal128::new(1, 38, 10)),
         );
-
-        let jsonb_value = jsonb::parse_value(r#"{"key": "value"}"#.as_bytes())
-            .unwrap()
-            .to_vec();
-        check_type_and_value(
-            &ConcreteDataType::json_datatype(),
-            &Value::Binary(jsonb_value.into()),
-        );
     }
 
     #[test]
@@ -1945,15 +1937,6 @@ mod tests {
                 datatype: ConcreteDataType::int32_datatype(),
             }))
         );
-
-        let jsonb_value =
-            jsonb::parse_value(r#"{"items":[{"Int32":123}],"datatype":{"Int32":{}}}"#.as_bytes())
-                .unwrap();
-        let json_value: serde_json::Value = jsonb_value.clone().into();
-        assert_eq!(
-            json_value,
-            to_json(Value::Binary(jsonb_value.to_vec().into()))
-        );
     }
 
     #[test]