if db5.Error != nil {
		t.Errorf("Should not raise error for join where identical fields in different tables. Error: %s", db5.Error.Error())
	}

	var users6 []User
	DB.Joins("inner join pets on pets.user_id = users.id AND pets.name = @Name", user.Pets[0]).Where("users.name = ?", user.Name).First(&users6)

O Pydantic tem um comportamento especial quando você usa `Optional` ou `Union[Something, None]` sem um valor padrão. Você pode ler mais sobre isso na documentação do Pydantic sobre <a href="https://docs.pydantic.dev/2.3/usage/models/#required-fields" class="external-link" target="_blank">campos Opcionais Obrigatórios</a>.

///

## Type Hints com Metadados de Anotações { #type-hints-with-metadata-annotations }

not in V2 configuration. The MinIO implementation above is based on V2 configuration, however it has been extended to allow both DeleteMarker replication and replication of versioned deletes with the `DeleteMarkerReplication` and `DeleteReplication` fields in the replication configuration above. By default, this is set to `Disabled` unless the user specifies it while adding a replication rule.

When an object is deleted from the source bucket, the corresponding replica version will be marked...

///

#### Datos con valores para campos con valores por defecto { #data-with-values-for-fields-with-defaults }

Pero si tus datos tienen valores para los campos del modelo con valores por defecto, como el artículo con ID `bar`:

```Python hl_lines="3  5"
{
    "name": "Bar",

Pydantic verhält sich speziell, wenn Sie `Optional` oder `Union[Something, None]` ohne einen Defaultwert verwenden. Sie können darüber in der Pydantic Dokumentation unter <a href="https://docs.pydantic.dev/2.3/usage/models/#required-fields" class="external-link" target="_blank">Erforderliche optionale Felder</a> mehr erfahren.

///

## Typhinweise mit Metadaten-Annotationen { #type-hints-with-metadata-annotations }

* A new link should be at the top of its list.
* The link URL should work (it should not return a 404).
* The content of the link should be about FastAPI.
* The new addition should have these fields:
    * `author`: The name of the author.
    * `link`: The URL with the content.
    * `title`: The title of the link (the title of the article, podcast, etc).

**Spoiler alert**: туторіал - посібник користувача містить:

* Оголошення **параметрів** з інших місць як: **headers**, **cookies**, **form fields** та **files**.
* Як встановити **перевірку обмежень** як `maximum_length` або `regex`.

///

#### Dados com valores para campos com padrões { #data-with-values-for-fields-with-defaults }

Mas se seus dados tiverem valores para os campos do modelo com valores padrões, como o item com ID `bar`:

```Python hl_lines="3  5"
{
    "name": "Bar",
    "description": "The bartenders",

**Spoiler alert**: the tutorial - user guide includes:

* Declaration of **parameters** from other different places as: **headers**, **cookies**, **form fields** and **files**.
* How to set **validation constraints** as `maximum_length` or `regex`.

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