Entity schema for a dataset
| Name | Type | Description | Notes |
|---|---|---|---|
| columns | {str: (ColumnSchema,)} | Column schema for a given column | |
| metadata | SchemaMetadata | [optional] | |
| any string name | bool, date, datetime, dict, float, int, list, str, none_type | any string name can be used but the value must be the correct type | [optional] |