A schema description for a column
| KEY | TYPE | Description |
|---|---|---|
| name | str | The unique name of the column. |
| dataType | str | The underlying data type of each column. |
| detectedDataType | str | The detected data type of the column. |
| featureType | str | Feature type of the column. |
| detectedFeatureType | str | The detected feature type of the column. |
| originalName | str | The original name of the column. |
| validDataTypes | List[str] | The valid data type options for this column. |
| timeFormat | str | The detected time format of the column. |
| timestampFrequency | str | The detected frequency of the timestamps in the dataset. |