}), cfg)
	case "sqlserver":
		// go install github.com/microsoft/go-sqlcmd/cmd/sqlcmd@latest
		// SQLCMDPASSWORD=LoremIpsum86 sqlcmd -U sa -S localhost:9930
		// CREATE DATABASE gorm;
		// GO
		// CREATE LOGIN gorm WITH PASSWORD = 'LoremIpsum86';
		// CREATE USER gorm FROM LOGIN gorm;
		// ALTER SERVER ROLE sysadmin ADD MEMBER [gorm];
		// GO
		log.Println("testing sqlserver...")
		if dbDSN == "" {
			dbDSN = sqlserverDSN
		}

$ pip install sqlmodel
---> 100%
```

</div>

## Crear o App com um Único Modelo { #create-the-app-with-a-single-model }

Vamos criar a primeira versão mais simples do app com um único modelo **SQLModel**.

Depois, vamos melhorá-lo aumentando a segurança e versatilidade com **múltiplos modelos** abaixo. 🤓

### Criar Modelos { #create-models }

Importe o `SQLModel` e crie um modelo de banco de dados:

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

func TestBelongsToAssociation(t *testing.T) {
	user := *GetUser("belongs-to", Config{Company: true, Manager: true})

	if err := DB.Create(&user).Error; err != nil {
		t.Fatalf("errors happened when create: %v", err)
	}

	CheckUser(t, user, user)

	// Find
	var user2 User
	DB.Find(&user2, "id = ?", user.ID)
	pointerOfUser := &user2

  public static <C extends Comparable<?>> TreeRangeSet<C> create() {
    return new TreeRangeSet<>(new TreeMap<Cut<C>, Range<C>>());
  }

  /** Returns a {@code TreeRangeSet} initialized with the ranges in the specified range set. */
  public static <C extends Comparable<?>> TreeRangeSet<C> create(RangeSet<C> rangeSet) {
    TreeRangeSet<C> result = create();
    result.addAll(rangeSet);
    return result;
  }

  /**

    populate(table, data);
    return table;
  }

  public void testRowKeySetOrdering() {
    table = create("foo", 3, 'a', "bar", 1, 'b', "foo", 2, 'c');
    assertThat(table.rowKeySet()).containsExactly("foo", "bar").inOrder();
  }

  public void testRowOrdering() {
    table = create("foo", 3, 'a', "bar", 1, 'b', "foo", 2, 'c');
    assertThat(table.row("foo").keySet()).containsExactly(2, 3).inOrder();
  }

      };
    }

    static final QueryOp<Map<Object, Object>> MAP_GET =
        QueryOp.create(
            "Map.get",
            (map, key) -> {
              Object unused = map.get(key);
            },
            Math::log);

    static final QueryOp<Set<Object>> SET_CONTAINS =
        QueryOp.create(
            "Set.contains",
            (set, key) -> {

	"gorm.io/gorm"
	"gorm.io/gorm/clause"
	"gorm.io/gorm/schema"
	"gorm.io/gorm/utils"
)

func SaveBeforeAssociations(create bool) func(db *gorm.DB) {
	return func(db *gorm.DB) {
		if db.Error == nil && db.Statement.Schema != nil {
			selectColumns, restricted := db.Statement.SelectAndOmitColumns(create, !create)

			// Save Belongs To associations
			for _, rel := range db.Statement.Schema.Relationships.BelongsTo {

from pydantic import BaseModel

app = FastAPI()

reusable_oauth2 = OAuth2(
    flows={
        "password": {
            "tokenUrl": "token",
            "scopes": {"read:users": "Read the users", "write:users": "Create users"},
        }
    },
    auto_error=False,
)


class User(BaseModel):
    username: str


def get_current_user(oauth_header: str | None = Security(reusable_oauth2)):

    @Test
    void bulkOperationsTest() {
        testBulkCreate();
        testBulkUpdate();
    }

    /**
     * Test: Bulk create documents
     */
    private void testBulkCreate() {
        logger.info("[BEGIN] testBulkCreate");

        // Create multiple documents in bulk
        final Map<String, Object> requestBody = new HashMap<>();
        final List<Map<String, Object>> documents = new ArrayList<>();

    Object listener = new Object();
    ListenerCallQueue<Object> queue = new ListenerCallQueue<>();
    queue.addListener(listener, directExecutor());

    Multiset<Object> counters = ConcurrentHashMultiset.create();
    queue.enqueue(incrementingEvent(counters, listener, 1));
    queue.enqueue(incrementingEvent(counters, listener, 2));
    queue.enqueue(incrementingEvent(counters, listener, 3));