* comment: <br>
     * one day: 86400000, three days: 259200000, five days: 432000000, one week: 604800000, one year: 31556926000<br>
     * special script :: absolute mode: $(2014/07/10), relative mode: addDay(3).addMonth(4)<br>
     * The milliseconds for (relative or absolute) adjust time (set only when test) @LongType *dynamic in development

	if _, ok := value.(driver.Valuer); ok {
		builder.AddVar(builder, value)
		return
	}

	switch rv := reflect.ValueOf(value); rv.Kind() {
	case reflect.Slice, reflect.Array:
		if rv.Len() == 0 {
			builder.AddVar(builder, nil)
		} else {
			for i := 0; i < rv.Len(); i++ {
				if i > 0 {
					builder.WriteByte(',')
				}
				builder.AddVar(builder, rv.Index(i).Interface())
			}
		}
	default:

        assertNotNull(request);
    }

    @Test
    public void test_addTag() throws Exception {
        indexQueryItems();

        PopularWordsResponse response = suggester.popularWords().setSize(10).addTag("tag1").execute().getResponse();

        assertNotNull(response);
        assertTrue(response.getTotal() > 0);
    }

    @Test
    public void test_addRole() throws Exception {
        indexQueryItems();

        assertNotNull(response);
    }

    @Test
    public void test_addTag() throws Exception {
        indexItems();

        PopularWordsResponse response = suggester.popularWords().addTag("tag1").execute().getResponse();

        assertNotNull(response);
    }

    @Test
    public void test_addRole() throws Exception {
        indexItems();

        assertEquals(1, response.getNum());
    }

    @Test
    public void test_addTag() throws Exception {
        indexItems();

        SuggestResponse response = suggester.suggest().setQuery("test").addTag("tag1").execute().getResponse();

        assertNotNull(response);
    }

    @Test
    public void test_addRole() throws Exception {
        indexItems();

}

// Quote returns quoted value
func (stmt *Statement) Quote(field interface{}) string {
	var builder strings.Builder
	stmt.QuoteTo(&builder, field)
	return builder.String()
}

// AddVar add var
func (stmt *Statement) AddVar(writer clause.Writer, vars ...interface{}) {
	for idx, v := range vars {
		if idx > 0 {
			writer.WriteByte(',')
		}

		switch v := v.(type) {
		case sql.NamedArg:

	if len(set) > 0 {
		for idx, assignment := range set {
			if idx > 0 {
				builder.WriteByte(',')
			}
			builder.WriteQuoted(assignment.Column)
			builder.WriteByte('=')
			builder.AddVar(builder, assignment.Value)
		}
	} else {
		builder.WriteQuoted(Column{Name: PrimaryKey})
		builder.WriteByte('=')
		builder.WriteQuoted(Column{Name: PrimaryKey})
	}
}

// MergeClause merge assignments clauses

 * <pre>
 * SuggestRequest suggestRequest = new SuggestRequest();
 * suggestRequest.setIndex("my_index");
 * suggestRequest.setQuery("example query");
 * suggestRequest.setSize(5);
 * suggestRequest.addTag("tag1");
 * suggestRequest.addRole("role1");
 * suggestRequest.addField("field1");
 * suggestRequest.addKind("kind1");
 * suggestRequest.addLang("en");
 * suggestRequest.setSuggestDetail(true);

                popularWordsRequestBuilder.setSeed(baseSeed);
                stream(baseTags).of(stream -> stream.forEach(tag -> popularWordsRequestBuilder.addTag(tag)));
                stream(baseRoles).of(stream -> stream.forEach(role -> popularWordsRequestBuilder.addRole(role)));

     */
    public void setWindowSize(final int windowSize) {
        this.windowSize = windowSize;
    }

    /**
     * Adds a tag to filter by.
     * @param tag The tag.
     */
    public void addTag(final String tag) {
        tags.add(tag);
    }

    /**
     * Adds a role to filter by.
     * @param role The role.
     */
    public void addRole(final String role) {
        roles.add(role);