Known issues and limitations
Negative numbers are not accepted. The workaround is to specify
-n as the expression
New in 2.0.1: Negative integers are supported.
New in 2.0.1: Hexadecimal numbers are supported.
The operator ! is not accepted.
true and false are not accepted.
null is not accepted.
!ISNULL(start_date)can be expressed
ISNULL(start_date) != 1