passing method on DB

public Makanan getInfoMakan(String dataPagiString){
        Makanan maem = new Makanan();

        SQLiteDatabase db = getReadableDatabase();
            String q = "select * from public_makanan where nama_bahan = '"+dataPagiString+"'";
            Cursor cursor = db.rawQuery(q, null);

            if(cursor.moveToFirst()){
                do{
                    for(int i=0;i<cursor.getColumnCount();i++){

                        maem.setId_makanan(cursor.getInt(0));
                        maem.setNama_bahan(cursor.getString(1));
                        maem.setEnergi(cursor.getInt(2));
                        maem.setPhewani(cursor.getDouble(3));
                        maem.setPnabati(cursor.getDouble(4));
                        maem.setLemak(cursor.getDouble(5));
                        maem.setHa(cursor.getDouble(6));
                        maem.setKalsium(cursor.getDouble(7));
                        maem.setFosfor(cursor.getDouble(8));
                        maem.setFe(cursor.getDouble(9));
                        maem.setVitamin_A(cursor.getDouble(10));
                        maem.setVitamin_B(cursor.getDouble(11));
                        maem.setVitamin_C(cursor.getDouble(12));
                        maem.setNatrium(cursor.getDouble(13));
                        maem.setKalium(cursor.getDouble(14));
                        maem.setKholesterol(cursor.getDouble(15));
                        maem.setAir(cursor.getDouble(16));
                        maem.setVitamin_D(cursor.getDouble(17));
                        maem.setVitamin_E(cursor.getDouble(18));
                        maem.setVitamin_K(cursor.getDouble(19));
                        maem.setTitamin(cursor.getDouble(20));
                        maem.setRiboflavin(cursor.getDouble(21));
                        maem.setNiasin(cursor.getDouble(22));
                        maem.setVitamin_B12(cursor.getDouble(23));
                        maem.setBDD(cursor.getDouble(24));
                        maem.setKelompok(cursor.getString(25));
                        maem.setGolongan(cursor.getString(26));
                        maem.setHarga(cursor.getInt(33));
                    }
                }while(cursor.moveToNext());
            }
        return maem;
    }