All files persondao.js

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const Dao = require("./dao.js");
 
module.exports = class PersonDao extends Dao {
  getAll(callback) {
    super.query("select navn, alder, adresse from person", [], callback);
  }
 
  getOne(id, callback) {
    super.query(
      "select navn, alder, adresse from person where id=?",
      [id],
      callback
    );
  }
 
  createOne(json, callback) {
    var val = [json.navn, json.adresse, json.alder];
    super.query(
      "insert into person (navn,adresse,alder) values (?,?,?)",
      val,
      callback
    );
  }
 
    updateOne(json, callback){
        var val = [json.navn, json.adresse, json.alder, json.id];
        super.query(
            "UPDATE person SET navn =?, adresse =?, alder =? WHERE id =?", val, callback
        );
    }
 
    deleteOne(id, callback){
        super.query("DELETE FROM person WHERE id = ?", [id], callback);
    }
};