},
	})
}

func TestMany2ManyWithMultiPrimaryKeys(t *testing.T) {
	type Tag struct {
		ID     uint   `gorm:"primary_key"`
		Locale string `gorm:"primary_key"`
		Value  string
	}

	type Blog struct {
		ID         uint   `gorm:"primary_key"`
		Locale     string `gorm:"primary_key"`
		Subject    string
		Body       string
		Tags       []Tag `gorm:"many2many:blog_tags;"`

		t.Fatalf("failed to found column log_id")
	}
}

type Post struct {
	ID         uuid.UUID `gorm:"primary_key;type:uuid;default:uuid_generate_v4();"`
	Title      string
	Categories []*Category `gorm:"Many2Many:post_categories"`
}

type Category struct {
	ID    uuid.UUID `gorm:"primary_key;type:uuid;default:uuid_generate_v4();"`
	Title string
	Posts []*Post `gorm:"Many2Many:post_categories"`
}

	}

	jt := JoinTable{UserID: 1, FriendID: 2}
	err := DB.Create(&jt).Error
	if err != nil {
		t.Errorf("No error should happen when create a record without a GORM primary key. But in the database this primary key exists and is the union of 2 or more fields\n But got: %s", err)
	}
}

func TestSelectWithCreate(t *testing.T) {

		return
	}

	type UniqueTest struct {
		ID   string `gorm:"primary_key"`
		Name string `gorm:"unique"`
	}

	type UniqueTest2 struct {
		ID   string `gorm:"primary_key"`
		Name string `gorm:"unique;default:NULL"`
	}

	type UniqueTest3 struct {
		ID   string `gorm:"primary_key"`
		Name string `gorm:"unique;default:''"`
	}

	type UniqueTest4 struct {

func (idx Index) Name() string {
	return idx.NameValue
}

// Columns return the columns of the index
func (idx Index) Columns() []string {
	return idx.ColumnList
}

// PrimaryKey returns the index is primary key or not.
func (idx Index) PrimaryKey() (isPrimaryKey bool, ok bool) {
	return idx.PrimaryKeyValue.Bool, idx.PrimaryKeyValue.Valid
}

// Unique returns whether the index is unique or not.

					values = append(values, clause.Column{Name: dbName}, m.DB.Migrator().FullDataTypeOf(field))
					createTableSQL += ","
				}
			}

			if !hasPrimaryKeyInDataType && len(stmt.Schema.PrimaryFields) > 0 {
				createTableSQL += "PRIMARY KEY ?,"
				primaryKeys := make([]interface{}, 0, len(stmt.Schema.PrimaryFields))

					t.Errorf("schema %v prioritized primary field should be %v, but got %v", s, field, s.PrioritizedPrimaryField.Name)
				}
			}

			if !found {
				t.Errorf("schema %v failed to found primary key: %v", s, field)
			}
		}
	})
}

func checkSchemaField(t *testing.T, s *schema.Schema, f *schema.Field, fc func(*schema.Field)) {
	t.Run("CheckField/"+f.Name, func(t *testing.T) {
		if fc != nil {
			fc(f)

	"gorm.io/gorm/utils"
)

// Model specify the model you would like to run db operations
//
//	// update all users's name to `hello`
//	db.Model(&User{}).Update("name", "hello")
//	// if user's primary key is non-blank, will use it as condition, then will only update that user's name to `hello`
//	db.Model(&user).Update("name", "hello")
func (db *DB) Model(value interface{}) (tx *DB) {
	tx = db.getInstance()

	// ErrDuplicatedKey occurs when there is a unique key constraint violation
	ErrDuplicatedKey = errors.New("duplicated key not allowed")
	// ErrForeignKeyViolated occurs when there is a foreign key constraint violation
	ErrForeignKeyViolated = errors.New("violates foreign key constraint")
	// ErrCheckConstraintViolated occurs when there is a check constraint violation

	}

	ns := NamingStrategy{}
	for key, value := range maps {
		if ns.toDBName(key) != value {
			t.Errorf("%v toName should equal %v, but got %v", key, value, ns.toDBName(key))
		}
	}

	maps = map[string]string{
		"x":                              "X",
		"user_restrictions":              "UserRestriction",