A dataset reference source column description.
| Name | Type | Description | Notes |
|---|---|---|---|
| target | GrainIdentifier | ||
| column | str | A name of the source column in the table. | [optional] |
| data_type | str | A type of the source column. | [optional] |
| is_nullable | bool | Flag indicating whether the associated source column allows null values. | [optional] |
| null_value | str | Value used in coalesce during joins instead of null. | [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] |