Cary Huang <cary(dot)huang(at)highgo(dot)ca> writes:
> I also agree with Ashutosh that the "IS NOT TRUE" case can be simplified to just "IS FALSE". it's simpler to understand.
Uh ... surely that's just wrong?
regression=# select null is not true;
?column?
----------
t
(1 row)
regression=# select null is false;
?column?
----------
f
(1 row)
regards, tom lane