Method on_update

src/entity/relation.rs:426–429

An operation to perform on a foreign key when an update operation occurs

(mut self, action: ForeignKeyAction)

    /// An operation to perform on a foreign key when an update operation occurs
    pub fn on_update(mut self, action: ForeignKeyAction) -> Self {
        self.on_update = Some(action);
        self
    }

    /// Set custom join ON condition.
    ///