| Determine whether point is inside the survey |
| Returns all regiontypes from CHUNK, PRIMARY, TILE, SECTOR that contain the given point. NULL indicates that the point is entirely outside the survey footprint. |
| name | type | length | inout | pnum |
| @ra | float | 8 | input | 1 |
| @dec | float | 8 | input | 2 |
| @radius | float | 8 | input | 3 |
| type | varchar | 16 | output | 1 |