| Extracts Field from an SDSS Photo Object ID. |
| The bit-fields and their lengths are: Skyversion[5] Rerun[11] Run[16] Camcol[3] First[1] Field[12] Obj[16] select top 10 objId, dbo.fField(objId) as fField from Galaxy |
| name | type | length | inout | pnum |
| int | 4 | input | 0 | |
| @ObjID | bigint | 8 | input | 1 |