sqllite offline in ionic 4

Question

I am facing issue in ionic 4 . Induction variable gives undefined but there is data when i run sql query ..Help me Please

following is my code

 try {

      let induction= await this.sql.dbInstance.executeSql('Select * FROM SurveyResponse where ADDData != ""')
      .then(async res => {
        let severity = [];
          for (var i = 0; i < res.rows.length; i++) {
            severity.push(res.rows.item(i));
            alert("loop");
            alert(induction);
          }
        var loc= severity;
        return await loc;
  
      })
      .catch(e=>{
        console.log(e);
      })
  
      return new Promise((resolve) => {
        alert("Induction");
        alert(induction);
        let obj = { Success: true, result: induction };
        resolve(obj);
      });
      
    } catch (error) {
      alert("error");;
      alert(error);
    }

Help Me Please