Method negate

datafusion/common/src/join_type.rs:234–240

Inverse the join side

(&self)

impl JoinSide {
    /// Inverse the join side
    pub fn negate(&self) -> Self {
        match self {
            JoinSide::Left => JoinSide::Right,
            JoinSide::Right => JoinSide::Left,
            JoinSide::None => JoinSide::None,
        }
    }
}