@Override
  public boolean execute(SQLiteDatabase database) {

    database.execSQL("create table t1(a INTEGER, b INTEGER);");
    database.execSQL("insert into t1(a,b) values(123, 456);");
    Cursor cursor = database.rawQuery("select * from t1;", new String[] {});
    if (cursor != null) {
      cursor.moveToFirst();
      cursor.copyStringToBuffer(1, charArrayBuffer);
      String actualValue = new String(charArrayBuffer.data, 0, charArrayBuffer.sizeCopied);
      return "456".equals(actualValue);
    }
    return false;
  }