Jakarta Persistence (JPA) Method
Expression<Integer> sign(
Expression<Number> x
)
Create an expression that returns the sign of its argument, that is,
1
if its argument is positive,
-1
if its argument is negative, or
0
if its argument is exactly zero.
- Parameters:
-
x- expression
- Returns:
- sign.
- Since:
- Jakarta Persistence (JPA) 1.0