map[desc:CMYK colors:[cyan magenta yellow black]]
```

likewise, increasing depth level to `3` yields:
```
red
green
blue
cyan
magenta
yellow
black
```

optionally, kev:value pairs can be emitted as an individual struct:
```go
decoder := jstream.NewDecoder(f, 2).EmitKV() // enable KV streaming at a depth level of 2
```

```
jstream.KV{desc RGB}
jstream.KV{colors [red green blue]}

    /**
     * The name of the tag with a maximum length of 100 characters.
     */
    @Required
    @Size(max = 100)
    public String name;

    /**
     * A map containing additional tag metadata as key-value pairs.
     */
    public Map<String, String> tags = new HashMap<>();

    /**
     * Default constructor for TagForm.
     */
    public TagForm() {
        // Default constructor
    }

     *
     * @param paramMap the data store parameters containing configuration and metadata
     * @param dataMap the document data to be indexed as key-value pairs
     */
    void store(DataStoreParams paramMap, Map<String, Object> dataMap);

    /**
     * Returns the total number of documents processed by this callback.
     *
     * @return the document count
     */

   *
   * @param capacity the capacity of this queue
   * @param fair if {@code true} then queue accesses for threads blocked on insertion or removal,
   *     are processed in FIFO order; if {@code false} the access order is unspecified.
   * @throws IllegalArgumentException if {@code capacity} is less than 1
   */
  public MonitorBasedArrayBlockingQueue(int capacity, boolean fair) {
    checkArgument(capacity > 0);

# Bir Veritabanını Test Etmek { #testing-a-database }

Veritabanları, SQL ve SQLModel hakkında [SQLModel dokümantasyonundan](https://sqlmodel.tiangolo.com/) öğrenebilirsiniz. 🤓

Ayrıca SQLModel'i FastAPI ile kullanmaya dair mini bir [öğretici](https://sqlmodel.tiangolo.com/tutorial/fastapi/) da var. ✨

   *
   * @param capacity the capacity of this queue
   * @param fair if {@code true} then queue accesses for threads blocked on insertion or removal,
   *     are processed in FIFO order; if {@code false} the access order is unspecified.
   * @throws IllegalArgumentException if {@code capacity} is less than 1
   */
  public MonitorBasedArrayBlockingQueue(int capacity, boolean fair) {
    checkArgument(capacity > 0);

* Il devrait probablement déclarer le corps qu’il doit recevoir, par exemple `body: InvoiceEvent`.
* Et il pourrait aussi déclarer la réponse qu’il doit renvoyer, par exemple `response_model=InvoiceEventReceived`.

{* ../../docs_src/openapi_callbacks/tutorial001_py310.py hl[14:16,19:20,26:30] *}

Il y a 2 principales différences par rapport à un *chemin d'accès* normal :

实际的回调代码高度依赖于您自己的 API 应用。

并且可能每个应用都各不相同。

回调代码可能只有一两行，比如：

```Python
callback_url = "https://example.com/api/v1/invoices/events/"
httpx.post(callback_url, json={"description": "Invoice paid", "paid": True})
```

但回调最重要的部分可能是，根据 API 要发送给回调请求体的数据等内容，确保您的 API 用户（外部开发者）正确地实现*外部 API*。

因此，我们下一步要做的就是添加代码，为从 API 接收回调的*外部 API*存档。

这部分文档在 `/docs` 下的 Swagger UI 中显示，并且会告诉外部开发者如何构建*外部 API*。

		tx.Statement.Table = ""
	}
	return
}

// Distinct specify distinct fields that you want querying
//
//	// Select distinct names of users
//	db.Distinct("name").Find(&results)
//	// Select distinct name/age pairs from users
//	db.Distinct("name", "age").Find(&results)
func (db *DB) Distinct(args ...interface{}) (tx *DB) {
	tx = db.getInstance()
	tx.Statement.Distinct = true
	if len(args) > 0 {
		tx = tx.Select(args[0], args[1:]...)

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