Server name not found in configuration files  Severity:  2  Code:  20012
Unknown host machine name  Severity:  2  Code:  20013

func grabVisitorsFromSQL(){

    let client = SQLClient.sharedInstance() as! SQLClient

    client.delegate = self
    client.connect("XXXXX", username: "XXX", password: "XXXXXXXXXX", database: "XXXXXX", completion: {(success) in
        if(success){
            client.execute(("SELECT TOP 1000 *" +
                            "FROM Calculation"),

                            completion: {(results) -> Void in

                                for table in results!{
                                    for row in table as! [Any]{
                                        for column in row as! [String:String]{

                                            print("(column.key) = (column.value)")
                                        }
                                    }
                                }
                    client.disconnect()
            })
        }
    })
}

override func viewDidLoad() {

    super.viewDidLoad()
    ...

    grabVisitorsFromSQL()
}