### Create the Tables { #create-the-tables }

We then add a function that uses `SQLModel.metadata.create_all(engine)` to **create the tables** for all the *table models*.

{* ../../docs_src/sql_databases/tutorial001_an_py310.py ln[21:22] hl[21:22] *}

### Create a Session Dependency { #create-a-session-dependency }

	if err := DB.Omit("Languages.*").Create(&user).Error; err == nil {
		t.Fatalf("should raise error when create users without languages reference")
	}

	if err := DB.Create(&user.Languages).Error; err != nil {
		t.Fatalf("no error should happen when create languages, but got %v", err)
	}

	if err := DB.Omit("Languages.*").Create(&user).Error; err != nil {

	// HTTP request to create the bucket.
	request, err := newTestSignedRequest(http.MethodPut, getMakeBucketURL(s.endPoint, bucketName),
		0, nil, s.accessKey, s.secretKey, s.signer)
	c.Assert(err, nil)

	// execute the HTTP request to create bucket.
	response, err := s.client.Do(request)
	c.Assert(err, nil)
	c.Assert(response.StatusCode, 200)

	// Create a byte array of 5MB.

	}

	t.Run("Polymorphic", func(t *testing.T) {
		pet := Pet{Name: "create"}

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

		pet.Toy = Toy{Name: "Update-HasOneAssociation-Polymorphic"}

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

		var pet2 Pet
		DB.Preload("Toy").Find(&pet2, "id = ?", pet.ID)

  public static class ImmutableListOfGenerator extends TestStringListGenerator {
    @Override
    protected List<String> create(String[] elements) {
      return ImmutableList.copyOf(elements);
    }
  }

  public static class BuilderAddListGenerator extends TestStringListGenerator {
    @Override
    protected List<String> create(String[] elements) {
      ImmutableList.Builder<String> builder = ImmutableList.<String>builder();

    //                                         -------------
    /**
     * Creates a new file authentication.
     *
     * @param form the create form
     * @return HTML response after creation
     */
    @Execute
    @Secured({ ROLE })
    public HtmlResponse create(final CreateForm form) {
        verifyCrudMode(form.crudMode, CrudMode.CREATE);
        validate(form, messages -> {}, this::asEditHtml);

    @Nonnull
    default ArtifactCoordinates create(@Nonnull Session session, @Nonnull String coordinatesString) {
        return create(ArtifactCoordinatesFactoryRequest.build(session, coordinatesString));
    }

    @Nonnull
    default ArtifactCoordinates create(
            @Nonnull Session session, String groupId, String artifactId, String version, String extension) {

        HashBasedTable.create((Table<String, Integer, ? extends Character>) table);
    Table<String, Integer, C> reordered = create("foo", 3, 'c', "foo", 1, 'a', "bar", 1, 'b');
    Table<String, Integer, C> smaller = create("foo", 1, 'a', "bar", 1, 'b');
    Table<String, Integer, C> swapOuter = create("bar", 1, 'a', "foo", 1, 'b', "bar", 3, 'c');
    Table<String, Integer, C> swapValues = create("foo", 1, 'c', "bar", 1, 'b', "foo", 3, 'a');

)

func TestCreate(t *testing.T) {
	u1 := *GetUser("create", Config{})

	if results := DB.Create(&u1); results.Error != nil {
		t.Fatalf("errors happened when create: %v", results.Error)
	} else if results.RowsAffected != 1 {
		t.Fatalf("rows affected expects: %v, got %v", 1, results.RowsAffected)
	}

	if u1.ID == 0 {
		t.Errorf("user's primary key should has value after create, got : %v", u1.ID)
	}

	if u1.CreatedAt.IsZero() {

        // Create a very long exception message
        StringBuilder longMessage = new StringBuilder("Error: ");
        for (int i = 0; i < 100; i++) {
            longMessage.append("This is a very long error message part ").append(i).append(". ");
        }
        final String errorMessage = longMessage.toString();

        // Create mock SearchEngineClient that throws exception with long message