// Create test input stream
        String content = "updated1\n" + "updated2\n";
        InputStream is = new ByteArrayInputStream(content.getBytes(StandardCharsets.UTF_8));

        // Update from input stream
        protwordsFile.update(is);

        // Verify update
        PagingList<ProtwordsItem> list = protwordsFile.selectList(0, 100);
        assertEquals(2, list.size());

	if utils.AssertEqual(result.UpdatedAt, user.UpdatedAt) {
		t.Fatalf("Update struct should update UpdatedAt, was %+v, got %+v", result.UpdatedAt, user.UpdatedAt)
	}

	AssertObjEqual(t, result, User{Name: "update_with_select"}, "Name", "Age")
}

func TestSelectWithUpdateWithMap(t *testing.T) {

        try (MappingUpdater updater = new MappingUpdater(item)) {
            reload(updater);
        }
    }

    /**
     * Reloads the character mapping items from the dictionary file.
     *
     * @param updater the mapping updater to use for writing changes, or null for read-only reload
     */
    protected void reload(final MappingUpdater updater) {

        try (ProtwordsUpdater updater = new ProtwordsUpdater(item)) {
            reload(updater);
        }
    }

    /**
     * Reloads the dictionary file with the specified updater.
     * @param updater the updater to use for processing items
     */
    protected void reload(final ProtwordsUpdater updater) {

        assertNull(result);

        updater.close();
    }

    public void test_updater_writeLine() {
        StopwordsFile.StopwordsUpdater updater = stopwordsFile.new StopwordsUpdater(null);

        // Test writing a comment line
        updater.write("# This is a comment");

        updater.close();
    }

    // Test edge cases
    public void test_emptyFile() {

	}

	updatedAt1 := user4.UpdatedAt
	DB.Where(&User{Name: "find or create 3"}).Assign("age", 55).FirstOrCreate(&user4)

	if user4.Age != 55 {
		t.Errorf("Failed to set change to 55, got %v", user4.Age)
	}

	if updatedAt1.Format(time.RFC3339Nano) == user4.UpdatedAt.Format(time.RFC3339Nano) {
		t.Errorf("UpdateAt should be changed when update values with assign")
	}

    public synchronized void insert(final StopwordsItem item) {
        try (StopwordsUpdater updater = new StopwordsUpdater(item)) {
            reload(updater);
        }
    }

    @Override
    public synchronized void update(final StopwordsItem item) {
        try (StopwordsUpdater updater = new StopwordsUpdater(item)) {
            reload(updater);
        }
    }

    @Override

        kuromojiItem.setNewToken(StringUtil.EMPTY);
        try (KuromojiUpdater updater = new KuromojiUpdater(item)) {
            reload(updater);
        }
    }

    /**
     * Reloads the dictionary file.
     *
     * @param updater The updater.
     */
    protected void reload(final KuromojiUpdater updater) {
        try (CurlResponse curlResponse = dictionaryManager.getContentResponse(this)) {

        try (StemmerOverrideUpdater updater = new StemmerOverrideUpdater(item)) {
            reload(updater);
        }
    }

    @Override
    public synchronized void update(final StemmerOverrideItem item) {
        try (StemmerOverrideUpdater updater = new StemmerOverrideUpdater(item)) {
            reload(updater);
        }
    }

    @Override

    public synchronized void insert(final SynonymItem item) {
        try (SynonymUpdater updater = new SynonymUpdater(item)) {
            reload(updater);
        }
    }

    @Override
    public synchronized void update(final SynonymItem item) {
        try (SynonymUpdater updater = new SynonymUpdater(item)) {
            reload(updater);
        }
    }

    @Override