use std::fmt;
#[derive(Debug, Clone, PartialEq, Eq, Hash)]
pub enum UnaryOperator {
Plus,
Minus,
Not,
}
impl fmt::Display for UnaryOperator {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
f.write_str(match self {
UnaryOperator::Plus => "+",
UnaryOperator::Minus => "-",
UnaryOperator::Not => "NOT",
})
}
}
#[derive(Debug, Clone, PartialEq, Eq, Hash)]
pub enum BinaryOperator {
Plus,
Minus,
Multiply,
Divide,
Modulus,
Gt,
Lt,
GtEq,
LtEq,
Eq,
NotEq,
And,
Or,
Like,
Ilike,
NotLike,
In,
}
impl fmt::Display for BinaryOperator {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
f.write_str(match self {
BinaryOperator::Plus => "+",
BinaryOperator::Minus => "-",
BinaryOperator::Multiply => "*",
BinaryOperator::Divide => "/",
BinaryOperator::Modulus => "%",
BinaryOperator::Gt => ">",
BinaryOperator::Lt => "<",
BinaryOperator::GtEq => ">=",
BinaryOperator::LtEq => "<=",
BinaryOperator::Eq => "=",
BinaryOperator::NotEq => "<>",
BinaryOperator::And => "AND",
BinaryOperator::Or => "OR",
BinaryOperator::Like => "LIKE",
BinaryOperator::Ilike => "ILIKE",
BinaryOperator::NotLike => "NOT LIKE",
BinaryOperator::In => "IN",
})
}
}