Operators
The StreamSets expression language includes the following operators for use in expressions:
    | Category | Description | 
|---|---|
| Arithmetic | 
 | 
| Logical | 
 | 
| Relational | You can use the following operators to compare against other
                                values, or against boolean, string, integer, or floating point
                                literals. 
 | 
| Empty | 
 | 
| Conditional | ? For example,  | 
Operator Precedence
The
            precedence of operators highest to lowest, left to right is as follows:
    - [ ]
- ( )- Used to change the precedence of operators
- -(unary)- not ! empty
- * / div % mod
- + -(binary)
- < > <= >= lt gt le ge
- == != eq ne
- && and
- || or
- ?: