class BreakpointSQLiteHelper extends SQLiteOpenHelper {

    @Override public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) {
        if (oldVersion == 1 && newVersion == 2) {
            db.execSQL("CREATE TABLE IF NOT EXISTS "
                    + RESPONSE_FILENAME_TABLE_NAME + "( "
                    + URL + " VARCHAR NOT NULL PRIMARY KEY, "
                    + FILENAME + " VARCHAR NOT NULL)"
            );
        }

        if (oldVersion <= 2) {
            db.execSQL("CREATE TABLE IF NOT EXISTS "
                    + TASK_FILE_DIRTY_TABLE_NAME + "( "
                    + ID + " INTEGER PRIMARY KEY)");
        }
    }

    public  BreakpointSQLiteHelper(Context context);

}