Method not

datafusion/expr-common/src/interval_arithmetic.rs:631–644

Compute the logical negation of this (boolean) interval.

(&self)

    /// Compute the logical negation of this (boolean) interval.
    pub fn not(&self) -> Result<Self> {
        assert_eq_or_internal_err!(
            self.data_type(),
            DataType::Boolean,
            "Cannot apply logical negation to a non-boolean interval"
        );
        if self == &Self::TRUE {
            Ok(Self::FALSE)
        } else if self == &Self::FALSE {
            Ok(Self::TRUE)
        } else {
            Ok(Self::TRUE_OR_FALSE)
        }
    }

    /// Compute the intersection of this interval with the given interval.
    /// If the intersection is empty, return `None`.