* Modèles **SQLAlchemy** (indépendants des extensions Flask, afin qu'ils puissent être utilisés directement avec des *workers* Celery).
* Modèle de démarrages basiques pour les utilisateurs (à modifier et supprimer au besoin).
* Migrations **Alembic**.
* **CORS** (partage des ressources entre origines multiples, ou *Cross Origin Resource Sharing*).
* *Worker* **Celery** pouvant importer et utiliser les modèles et le code du reste du backend.

	}

	tx := DB.Session(&gorm.Session{})
	tx.Config.DisableForeignKeyConstraintWhenMigrating = true
	AssertEqual(t, DB.Config.DisableForeignKeyConstraintWhenMigrating, false)

	tx.Migrator().DropTable(&BelongsToUser{}, &Org{})
	tx.AutoMigrate(&BelongsToUser{}, &Org{})

	user := &BelongsToUser{
		Org: Org{
			ID: "BelongsToUser_Org_1",
		},
	}
	err := DB.Create(&user).Error

While there are competing ways to represent absence (`Optional`, "Null Object" pattern, method overloads),
it is unlikely that we'll be able to remove `null` entirely.

After migrating to Java 8, we can use pluggable type checkers to ensure that our annotations are consistent, 
and there are no missing null checks.

## Decision

Use "NullAway" in JSpecify mode to check for null-related errors in Java code.

Aquí creamos las tablas en un evento de inicio de la aplicación.

Para producción probablemente usarías un script de migración que se ejecuta antes de iniciar tu aplicación. 🤓

/// tip | Consejo

SQLModel tendrá utilidades de migración envolviendo Alembic, pero por ahora, puedes usar <a href="https://alembic.sqlalchemy.org/en/latest/" class="external-link" target="_blank">Alembic</a> directamente.

///

	"testing"

	"gorm.io/gorm"
	. "gorm.io/gorm/utils/tests"
)

func TestNamedArg(t *testing.T) {
	type NamedUser struct {
		gorm.Model
		Name1 string
		Name2 string
		Name3 string
	}

	DB.Migrator().DropTable(&NamedUser{})
	DB.AutoMigrate(&NamedUser{})

	namedUser := NamedUser{Name1: "jinzhu1", Name2: "jinzhu2", Name3: "jinzhu3"}
	DB.Create(&namedUser)

	var result NamedUser

			CompanyID  *uint
			Company    Company
		}

		Building struct {
			gorm.Model
			Name    string
			OwnerID *uint
			Owner   Owner
		}
	)

	DB.Migrator().DropTable(&Building{}, &Owner{}, &Furniture{})
	DB.Migrator().AutoMigrate(&Building{}, &Owner{}, &Furniture{})

	home := &Building{Name: "relation_empty"}
	DB.Create(home)

	var entries []Building
	assert.NotPanics(t, func() {

	PreferredToy Toy `gorm:"polymorphic:Owner;polymorphicValue:hamster_preferred"`
	OtherToy     Toy `gorm:"polymorphic:Owner;polymorphicValue:hamster_other"`
}

func TestNamedPolymorphic(t *testing.T) {
	DB.Migrator().DropTable(&Hamster{})
	DB.AutoMigrate(&Hamster{})

	hamster := Hamster{Name: "Mr. Hammond", PreferredToy: Toy{Name: "bike"}, OtherToy: Toy{Name: "treadmill"}}
	DB.Save(&hamster)

	hamster2 := Hamster{}

([#357](https://github.com/kubernetes/enhancements/issues/357) ), ([#970](https://github.com/kubernetes/enhancements/issues/970) )

### Continued improvement of CSI

func TestSoftDeleteZeroValue(t *testing.T) {
	type SoftDeleteBook struct {
		ID        uint
		Name      string
		Pages     uint
		DeletedAt gorm.DeletedAt `gorm:"zeroValue:'1970-01-01 00:00:01'"`
	}
	DB.Migrator().DropTable(&SoftDeleteBook{})
	if err := DB.AutoMigrate(&SoftDeleteBook{}); err != nil {
		t.Fatalf("failed to auto migrate soft delete table")
	}

	book := SoftDeleteBook{Name: "jinzhu", Pages: 10}

import org.junit.jupiter.api.Test

/**
 * Access every declaration that is deprecated with [DeprecationLevel.ERROR]. Although new Kotlin
 * code shouldn't use these, they're necessary for clients migrating from OkHttp 3.x and this test
 * ensures the symbols remain available and with the expected parameter and return types.
 */
@Suppress(
  "DEPRECATION_ERROR",
  "UNUSED_VALUE",
  "UNUSED_VARIABLE",