| Returns the overlap of a given region overlapping another one |
| The parameters Returns a blob with the overlap region, NULL if there are no intersections, NULL if input params are bad. SELECT * from fRegionOverlapId(1049,6078,0.0) |
| name | type | length | inout | pnum |
| @buffer | float | 8 | input | 3 |
| @regionid | bigint | 8 | input | 1 |
| @otherid | bigint | 8 | input | 2 |
| varbinary | -1 | input | 0 |