Returns the ID of this relational expression, unique among all relational expressions created since the server was started. @return Unique ID
()
| 31 | * @return Unique ID |
| 32 | */ |
| 33 | int getId(); |
| 34 | |
| 35 | /** |
| 36 | * Returns a string which concisely describes the definition of this |
no outgoing calls