var results []User
	if err := DB.Distinct("name", "age").Where("name like ?", "distinct%").Order("name, age desc").Find(&results).Error; err != nil {
		t.Errorf("failed to query users, got error: %v", err)
	}

	expects := []User{
		{Name: "distinct", Age: 20},
		{Name: "distinct", Age: 18},
		{Name: "distinct-2", Age: 18},
		{Name: "distinct-3", Age: 18},
	}

	if len(results) != 4 {

		"name": "jinzhu",
		"age":  18,
	})

	assignments := []clause.Assignment(set)

	sort.Slice(assignments, func(i, j int) bool {
		return strings.Compare(assignments[i].Column.Name, assignments[j].Column.Name) > 0
	})

	if len(assignments) != 2 || assignments[0].Column.Name != "name" || assignments[0].Value.(string) != "jinzhu" || assignments[1].Column.Name != "age" || assignments[1].Value.(int) != 18 {

    val headers = headersOf("Cache-Control", "max-age=12", "Pragma", "must-revalidate", "Pragma", "public")
    val cacheControl = parse(headers)
    assertThat(cacheControl.toString()).isEqualTo("max-age=12, public, must-revalidate")
  }

  @Test
  fun parseCacheControlHeaderValueIsRetained() {
    val value = "max-age=12"
    val headers = headersOf("Cache-Control", value)

		clauses := []clause.Interface{clause.Select{}, clause.From{}, clause.Where{Exprs: []clause.Expression{clause.Eq{Column: clause.PrimaryColumn, Value: "1"}, clause.Gt{Column: "age", Value: 18}, clause.Or(clause.Neq{Column: "name", Value: "jinzhu"})}}}

		for _, clause := range clauses {
			stmt.AddClause(clause)
		}

		stmt.Build("SELECT", "FROM", "WHERE")
		_ = stmt.SQL.String()
	}
}

  }

  @Test
  fun temporaryRedirectCachedWithExpiresHeader() {
    temporaryRedirectCachedWithCachingHeader(307, "Expires", formatDate(1, TimeUnit.HOURS))
  }

  @Test
  fun temporaryRedirectCachedWithCacheControlHeader() {
    temporaryRedirectCachedWithCachingHeader(307, "Cache-Control", "max-age=60")
  }

  @Test

    private var lastModified: Date? = null
    private var lastModifiedString: String? = null

    /**
     * The expiration date of the cached response, if known. If both this field and the max age are
     * set, the max age is preferred.
     */
    private var expires: Date? = null

    /**
     * Extension header set by OkHttp specifying the timestamp when the cached HTTP request was
     * first initiated.
     */

  /** The duration past the response's served date that it can be served without validation. */
  @get:JvmName("maxAgeSeconds") val maxAgeSeconds: Int,
  /**
   * The "s-maxage" directive is the max age for shared caches. Not to be confused with "max-age"
   * for non-shared caches, As in Firefox and Chrome, this directive is not honored by this cache.
   */
  @get:JvmName("sMaxAgeSeconds") val sMaxAgeSeconds: Int,
  val isPrivate: Boolean,

				Values:  [][]interface{}{{"my name"}},
			},
		},
		{
			name: "Test convert int value",
			input: map[string]interface{}{
				"age": 18,
			},
			expect: clause.Values{
				Columns: []clause.Column{{Name: "age"}},
				Values:  [][]interface{}{{18}},
			},
		},
		{
			name: "Test convert float value",
			input: map[string]interface{}{
				"score": 99.5,
			},

        this.scope = scope;
    }

    /**
     * Gets the maximum age for cached data before requiring refresh
     * @return the maximum cache age in milliseconds
     */
    public long getMaxAge() {
        return maxAge;
    }

    /**
     * Sets the maximum age for cached data
     * @param maxAge the maximum cache age in milliseconds
     */
    public void setMaxAge(long maxAge) {

#### `HeroBase` - a classe base

Vamos começar com um modelo `HeroBase` que tem todos os **campos compartilhados** por todos os modelos:

* `name`
* `age`

{* ../../docs_src/sql_databases/tutorial002_an_py310.py ln[7:9] hl[7:9] *}

#### `Hero` - o *modelo de tabela*