Method is_numerical_operators

datafusion/expr-common/src/operator.rs:204–213

Return true if the operator is a numerical operator. For example, 'Binary(a, +, b)' would be a numerical expression. PostgresSQL concept:

(&self)

    /// For example, 'Binary(a, +, b)' would be a numerical expression.
    /// PostgresSQL concept: <https://www.postgresql.org/docs/7.0/operators2198.htm>
    pub fn is_numerical_operators(&self) -> bool {
        matches!(
            self,
            Operator::Plus
                | Operator::Minus
                | Operator::Multiply
                | Operator::Divide
                | Operator::Modulo
        )
    }

    /// Return true if the comparison operator can be used in interval arithmetic and constraint
    /// propagation