React Native - Get all results from database with SQLite and pass it to flatlist #22767

constructor(props){

super(props)

this.state={
    data: []
};
db.transaction((tx) => {
  tx.executeSql('SELECT * FROM table_worker', [], (tx, results) => {
      console.log("Query completed");

    var len = results.rows.length;
    for (let i = 0; i < len; i++) {
      let row = results.rows.item(i);
      this.setState({worker_fname: row.worker_fname});
      this.setState({worker_sname: row.worker_sname});
      this.setState({worker_lname: row.worker_lname});
    }
  });
});

};

render() {
return (
  <View>
    <View>
      <Text>{this.state.worker_fname}</Text>
      <Text>{this.state.worker_sname}</Text>
      <Text>{this.state.worker_lname}</Text>
    </View>
  </View>
);
}