Hello, While debugging a druid query that involves an operation such as "A <> A", I found out that in RexSimplify, such an expression is converted to "null && isnull(A)". That seems wrong since it will always evaluate to null even if A is not null in some row. The right conversion should be "isnull(A) && null" that will return "false" is A is not null and "null" (aka unknown) is A is null.
is there a way to change this behavior without code change?
