builder.WriteString(string(join.Type))
			builder.WriteByte(' ')
		}

		builder.WriteString("JOIN ")
		builder.WriteQuoted(join.Table)

		if len(join.ON.Exprs) > 0 {
			builder.WriteString(" ON ")
			join.ON.Build(builder)
		} else if len(join.Using) > 0 {
			builder.WriteString(" USING (")
			for idx, c := range join.Using {
				if idx > 0 {
					builder.WriteByte(',')
				}
				builder.WriteQuoted(c)

			name: "RIGHT JOIN",
			join: clause.Join{
				Type:  clause.RightJoin,
				Table: clause.Table{Name: "user"},
				ON: clause.Where{
					Exprs: []clause.Expression{clause.Eq{clause.Column{Table: "user_info", Name: "user_id"}, clause.PrimaryColumn}},
				},
			},
			sql: "RIGHT JOIN `user` ON `user_info`.`user_id` = `users`.`id`",
		},
		{
			name: "INNER JOIN",
			join: clause.Join{
				Type:  clause.InnerJoin,

		Language
		Pet
	}

	results := make([]Result, 0, 1)
	DB.Select("users.*, user_speaks.*,  languages.*, pets.*").Table("users").Joins("JOIN user_speaks ON user_speaks.user_id = users.id").
		Joins("JOIN languages ON languages.code = user_speaks.language_code").
		Joins("LEFT OUTER JOIN pets ON pets.user_id = users.id").Find(&results)

	if len(results) == 0 {
		t.Fatalf("no record find")

	value := Value{
		Name: "value",
		Nested: &Nested{
			Join: Join{
				Value: "j1",
				Preload: Preload{
					Value: "p1",
				},
			},
		},
	}

	if err := DB.Create(&value).Error; err != nil {
		t.Errorf("failed to create value, got err: %v", err)
	}

	var find1 Value

    return join(partsList);
  }

  /**
   * Returns a string containing the string representation of each argument, using the previously
   * configured separator between each.
   */
  public final String join(
      @Nullable Object first, @Nullable Object second, @Nullable Object... rest) {
    return join(iterable(first, second, rest));
  }

  /**

    return join(partsList);
  }

  /**
   * Returns a string containing the string representation of each argument, using the previously
   * configured separator between each.
   */
  public final String join(
      @Nullable Object first, @Nullable Object second, @Nullable Object... rest) {
    return join(iterable(first, second, rest));
  }

  /**

class StringUtilTest {

    @Test
    @DisplayName("Should join single element without delimiter")
    void testJoinSingleElement() {
        String result = StringUtil.join(",", "hello");
        assertEquals("hello", result);
    }

    @Test
    @DisplayName("Should join two elements with delimiter")
    void testJoinTwoElements() {
        String result = StringUtil.join(",", "hello", "world");

		for _, join := range joins {
			if _, ok := relationships.Relations[join]; ok && name == join {
				joined = true
				continue
			}
			join0, join1, cut := strings.Cut(join, ".")
			if cut {
				if _, ok := relationships.Relations[join0]; ok && name == join0 {
					joined = true
					nestedJoins = append(nestedJoins, join1)
				}
			}
		}
		return joined, nestedJoins

	}

	joinTable := ns.JoinTableName("user_languages")
	if joinTable != "public.user_languages" {
		t.Errorf("invalid join table generated, got %v", joinTable)
	}

	joinTable2 := ns.JoinTableName("UserLanguage")
	if joinTable2 != "public.user_language" {
		t.Errorf("invalid join table generated, got %v", joinTable2)
	}

	tableName := ns.TableName("Company")
	if tableName != "public.company" {

	}

	for _, join := range from.Joins {
		builder.WriteByte(' ')
		join.Build(builder)
	}
}

// MergeClause merge from clause
func (from From) MergeClause(clause *Clause) {
	clause.Expression = from