selectWord(){
    this.myWords_en=[];
    this.myWords_pl=[];

    var id_translation: Array<Object>;
    id_translation=[];
    console.log("Id group_selected  "+this.id_group_selected);
    this.database.executeSql("SELECT * FROM group_translation WHERE id_group='"+ this.id_group_selected +"'",[]).then((data) =>{

      console.log("Id tłumaczenia z grup_translation "+data.rows.item(0).id);
      if(data.rows.length > 0) {
        for(let i=0; i<data.rows.length;i++)
        {
         // console.log(JSON.stringify(data.rows.item(i)));

          let myGroupTranslation: Group_translation=new Group_translation();
          myGroupTranslation.id_translation=data.rows.item(i).id_translation;
          myGroupTranslation.id_group=data.rows.item(i).id_group;

          console.log("Id tłumaczenia z grup_translation "+data.rows.item(i).id_translation);

          this.database.executeSql("SELECT id_word_en, id_word_pl FROM translation WHERE id='"+data.rows.item(i).id_translation+"'",[]).then((data) =>{
            let myTranslation: Translation=new Translation();
            myTranslation.id_word_pl=data.rows.item(0).id_word_pl;
            myTranslation.id_word_en=data.rows.item(0).id_word_en;

            console.log("Id słowa polskiego "+data.rows.item(0).id_word_pl);
            console.log("Id słowa angielskiego "+data.rows.item(0).id_word_en);

            this.database.executeSql("SELECT word_en_name FROM word_en WHERE id='"+data.rows.item(0).id_word_en+"'",[]).then((data) =>{
              let myWord_en: Word_en=new Word_en();
              myWord_en.word_en_name=data.rows.item(0).word_en_name;
              this.myWords_en.push(myWord_en);

                    console.log("Słowo angielskie "+data.rows.item(0).word_en_name);

            },(error) =>{
              console.log("Błąd z pobraniem słowa angielskiego ")
            });

            this.database.executeSql("SELECT word_pl_name FROM word_pl WHERE id='"+data.rows.item(0).id_word_pl+"'",[]).then((data) =>{
              let myWord_pl: Word_pl=new Word_pl();
              myWord_pl.word_pl_name=data.rows.item(0).word_pl_name;
              this.myWords_pl.push(myWord_pl);
              console.log("Słowo polskie "+data.rows.item(0).word_pl_name);
            },(error) =>{
              console.log("Błąd z pobraniem słowa polskiego ")
            });

          },(error) => {
            console.log("Błąd z pobraniem id_word_en i id_word_pl from translation");
          });

        }

      }
      //

    }, (error)=>{
      console.log("Bład z selectem id_translation"+ JSON.stringify(error.err));
    });
  }