Skip dropping automatic indices

    }

    public static void dropIndexes(@NonNull SQLiteDatabase db) {

        Cursor c = db.query("sqlite_master", new String[]{"name"}, "type=?", new String[]{"index"}, null, null, null);

        try (Cursor c = db.query("sqlite_master", new String[]{"name", "sql"}, "type=?", new String[]{"index"}, null, null, null)) {

            while (c.moveToNext()) {

                // Skip automatic indexes which we can't drop manually

                if (c.getString(1) != null) {

                    Log.v(TAG, "Deleting database index: DROP INDEX " + c.getString(0));

                    db.execSQL("DROP INDEX " + c.getString(0));

                }

        c.close();

            }

        }

    }

}