| Parameter | Type | Description | Example |
|---|---|---|---|
| object | FieldSchema | ||
| Comment | string | The comments on the field. | comment_day |
| Name | string | The name of the field. | day |
| Parameters | Parameters | The KVPs that define the attributes associated with the field. | |
| Type | string | Field type, including array bigint binary boolean char date decimal double float int interval map set smallint string struct timestamp tinyint union varchar | int |