Possible enumeration values:
| Name | Value | Description | 
|---|---|---|
| GreaterThan | 
                     0  | 
                |
| LessThan | 
                     1  | 
                |
| Equal | 
                     2  | 
                |
| NotEqual | 
                     3  | 
                |
| EqualOrLessThan | 
                     4  | 
                |
| EqualOrGreaterThan | 
                     5  | 
                |
| Interval | 
                     6  | 
                |
| Like | 
                     7  | 
                |
| NotLike | 
                     8  |