Method is_certainly_false

datafusion/expr-common/src/interval_arithmetic.rs:1892–1894

Return true if the value is definitely false (and not null).

(&self)

    /// Return true if the value is definitely false (and not null).
    pub fn is_certainly_false(&self) -> bool {
        self == &Self::FALSE
    }

    /// Returns the set of possible values after applying the `is false` test on all
    /// values in this set.