from datetime import datetime

from pydantic import BaseModel


class User(BaseModel):
    id: int
    name: str = "John Doe"
    signup_ts: datetime | None = None
    friends: list[int] = []


external_data = {
    "id": "123",
    "signup_ts": "2017-06-01 12:22",
    "friends": [1, "2", b"3"],
}
user = User(**external_data)
print(user)

	user.Pets = []*Pet{{Name: "original-pet"}}
	user.Toys = []Toy{{Name: "original-toy"}}
	if err := DB.Create(&user).Error; err != nil {
		t.Fatalf("failed to create user with associations: %v", err)
	}

	// Verify initial state using real database queries
	AssertAssociationCount(t, user, "Pets", 1, "before update")

maven.user.settings         = ${maven.user.conf}/settings.xml

#
# Toolchains
#
# Define the default three levels for toolchains.
# The '-it' flag will override the 'maven.installation.toolchains' property.
# The '-t' flag will override the 'maven.user.toolchains' property.
maven.installation.toolchains = ${maven.installation.conf}/toolchains.xml
maven.user.toolchains         = ${maven.user.conf}/toolchains.xml

)

func BenchmarkCreate(b *testing.B) {
	user := *GetUser("bench", Config{})

	for x := 0; x < b.N; x++ {
		user.ID = 0
		DB.Create(&user)
	}
}

func BenchmarkFind(b *testing.B) {
	user := *GetUser("find", Config{})
	DB.Create(&user)

	for x := 0; x < b.N; x++ {
		DB.Find(&User{}, "id = ?", user.ID)
	}
}

func BenchmarkScan(b *testing.B) {
	user := *GetUser("scan", Config{})
	DB.Create(&user)

            case jcifs.SID.SID_TYPE_DOMAIN:
            case jcifs.SID.SID_TYPE_ALIAS:
            case jcifs.SID.SID_TYPE_WKN_GRP:
                final rpc.unicode_string ustr = rpc.domains.domains[resp.sid_index].name;
                out.domainName = new UnicodeString(ustr, false).toString();
                break;
            }

            final UnicodeString ucstr = new UnicodeString(resp.name, false);

///

## Advanced User Guide { #advanced-user-guide }

There is also an **Advanced User Guide** that you can read later after this **Tutorial - User guide**.

The **Advanced User Guide** builds on this one, uses the same concepts, and teaches you some extra features.

But you should first read the **Tutorial - User Guide** (what you are reading right now).

		t.Fatalf("errors happened when update: %v", err)
	}

	var user2 User
	DB.Preload("Languages").Preload("Friends").Find(&user2, "id = ?", user.ID)
	CheckUser(t, user2, user)

	for idx := range user.Friends {
		user.Friends[idx].Name += "new"
	}

	for idx := range user.Languages {
		user.Languages[idx].Name += "new"
	}

	if err := DB.Save(&user).Error; err != nil {

        setupEpg(_epgMap, et -> ((User) et).getState(), (et, vl) -> ((User) et).setState(DfTypeUtil.toString(vl)), "state");
        setupEpg(_epgMap, et -> ((User) et).getStreet(), (et, vl) -> ((User) et).setStreet(DfTypeUtil.toString(vl)), "street");

                    "title": "Body_update_item_items__item_id__put",
                    "required": ["item", "user", "importance"],
                    "type": "object",
                    "properties": {
                        "item": {"$ref": "#/components/schemas/Item"},
                        "user": {"$ref": "#/components/schemas/User"},
                        "importance": {
                            "title": "Importance",

	case "mysql", "sqlserver":
		// these dialects do not support the "returning" clause
		return
	default:
		// This user struct will leverage the existing users table, but override
		// the Name field to default to null.
		type user struct {
			gorm.Model
			Name string `gorm:"default:null"`
		}
		u1 := user{}

		if results := DB.Create(&u1); results.Error != nil {
			t.Fatalf("errors happened on create: %v", results.Error)