| Column Name | Data Type | Description |
|---|---|---|
| overlay_boundary | VARCHAR | Description of the resulting geometry in the WKT markup language. |
| overlay_flag | INTEGER | Indicates whether the source and reference polygons intersect. Column does not appear for the CONVEXHULL or BUFFER operator. |
| ref_ref_name_column | Any | Name of the polygon (copied from the reference table). |
| accumulate_column | Any | Column copied from the source table. |