我们从一个 `HeroBase` 模型开始，该模型具有所有模型**共享的字段**：

* `name`
* `age`

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

#### `Hero` - *表模型*

接下来，我们创建 `Hero` ，实际的*表模型*，并添加那些不总是在其他模型中的**额外字段**：

* `id`
* `secret_name`

因为 `Hero` 继承自 HeroBase ，所以它**也**包含了在 `HeroBase` 中声明过的**字段**。因此 `Hero` 的所有字段为：

* `id`
* `name`
* `age`
* `secret_name`

        .minFresh(3.seconds)
        .onlyIfCached()
        .noTransform()
        .immutable()
        .build()
    assertThat(cacheControl.toString()).isEqualTo(
      "no-cache, no-store, max-age=1, max-stale=2, min-fresh=3, only-if-cached, no-transform, immutable",
    )
    assertThat(cacheControl.noCache).isTrue()
    assertThat(cacheControl.noStore).isTrue()
    assertThat(cacheControl.maxAgeSeconds).isEqualTo(1)

  private static final Interceptor REWRITE_CACHE_CONTROL_INTERCEPTOR = chain -> {
    Response originalResponse = chain.proceed(chain.request());
    return originalResponse.newBuilder()
        .header("Cache-Control", "max-age=60")
        .build();
  };

  private final OkHttpClient client;

  public RewriteResponseCacheControl(File cacheDirectory) throws Exception {
    Cache cache = new Cache(cacheDirectory, 1024 * 1024);

  var result = headerValue
  if (result == null) {
    result =
      buildString {
        if (noCache) append("no-cache, ")
        if (noStore) append("no-store, ")
        if (maxAgeSeconds != -1) append("max-age=").append(maxAgeSeconds).append(", ")
        if (sMaxAgeSeconds != -1) append("s-maxage=").append(sMaxAgeSeconds).append(", ")
        if (isPrivate) append("private, ")
        if (isPublic) append("public, ")

#### `HeroBase` - the base class { #herobase-the-base-class }

Let's start with a `HeroBase` model that has all the **fields that are shared** by all the models:

* `name`
* `age`

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

#### `Hero` - the *table model* { #hero-the-table-model }

#### `HeroBase` – die Basisklasse { #herobase-the-base-class }

Fangen wir mit einem `HeroBase`-Modell an, das alle **Felder hat, die von allen Modellen geteilt werden**:

* `name`
* `age`

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

#### `Hero` – das *Tabellenmodell* { #hero-the-table-model }

	flag.StringVar(&targetBucket, "target-bucket", "", "Select a specific bucket")
	flag.StringVar(&targetPrefix, "target-prefix", "", "Select a prefix")

	flag.StringVar(&minimumObjectAge, "minimum-object-age", "0s", "Ignore objects younger than the specified age")
	flag.BoolVar(&debug, "debug", false, "Prints HTTP network calls to S3 endpoint")
	flag.BoolVar(&insecure, "insecure", false, "Disable TLS verification")
	flag.Parse()

	if sourceEndpoint == "" {

* `name`
* `age`

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

#### `Hero` - *테이블 모델*

다음으로 실제 *테이블 모델*인 `Hero`를 생성합니다. 이 모델은 다른 모델에는 항상 포함되는 건 아닌 **추가 필드**를 포함합니다:

* `id`
* `secret_name`

`Hero`는 `HeroBase`를 상속하므로 `HeroBase`에 선언된 필드도 포함합니다. 따라서 `Hero`는 다음 **필드들도** 가지게 됩니다:

* `id`
* `name`
* `age`
* `secret_name`

    public void setEncryptedCookieValue(final boolean encryptedCookieValue) {
        this.encryptedCookieValue = encryptedCookieValue;
    }

    /**
     * Sets the maximum age of the role information in seconds.
     * @param maxAge The maximum age of the role information in seconds.
     */
    public void setMaxAge(final long maxAge) {
        this.maxAge = maxAge;
    }

						columnType.Name(), length, 100, columnType)
				}
			case "age":
				if v, ok := columnType.DefaultValue(); !ok || v != "18" {
					t.Fatalf("column age default value should be correct, name: %v, column: %#v", columnType.Name(),
						columnType)
				}
				if v, ok := columnType.Comment(); !ok || v != "my age" {
					t.Fatalf("column age comment should be correct, name: %v, column: %#v", columnType.Name(),
						columnType)