GEOADDAdd geospatial members (longitude/latitude) to a geo set.
| Syntax | GEOADD key [NX|XX] [CH] longitude latitude member [longitude latitude member ...] |
| Group | geo |
| Arity | -5 |
| Since | 1.0.0 |
| Flags | write |
| Complexity | O(M log N); CH adds an O(M^2) term |
| Redis compatibility | full |