from .database import Base


class User(Base):
    __tablename__ = "users"

    id = Column(Integer, primary_key=True)
    email = Column(String, unique=True, index=True)
    hashed_password = Column(String)
    is_active = Column(Boolean, default=True)

    items = relationship("Item", back_populates="owner")


class Item(Base):
    __tablename__ = "items"

    id = Column(Integer, primary_key=True)

from .database import Base


class User(Base):
    __tablename__ = "users"

    id = Column(Integer, primary_key=True)
    email = Column(String, unique=True, index=True)
    hashed_password = Column(String)
    is_active = Column(Boolean, default=True)

    items = relationship("Item", back_populates="owner")


class Item(Base):
    __tablename__ = "items"

    id = Column(Integer, primary_key=True)

	IdentifierMaxLength int
}

// TableName convert string to table name
func (ns NamingStrategy) TableName(str string) string {
	if ns.SingularTable {
		return ns.TablePrefix + ns.toDBName(str)
	}
	return ns.TablePrefix + inflection.Plural(ns.toDBName(str))
}

// SchemaName generate schema name from table name, don't guarantee it is the reverse value of TableName
func (ns NamingStrategy) SchemaName(table string) string {

from .database import Base


class User(Base):
    __tablename__ = "users"

    id = Column(Integer, primary_key=True)
    email = Column(String, unique=True, index=True)
    hashed_password = Column(String)
    is_active = Column(Boolean, default=True)

    items = relationship("Item", back_populates="owner")


class Item(Base):
    __tablename__ = "items"

    id = Column(Integer, primary_key=True)

	}

	tableName := "null_string_model"

	DB.Migrator().DropTable(tableName)

	err := DB.Table(tableName).AutoMigrate(&NullModel{})
	AssertEqual(t, err, nil)

	// default null -> 'null'
	err = DB.Table(tableName).AutoMigrate(&NullStringModel{})
	AssertEqual(t, err, nil)

	columnType, err := findColumnType(tableName, "content")
	AssertEqual(t, err, nil)

			found = true
			break
		}
	}
	if !found {
		t.Fatal("postgres driver not registered")
	}
}

func TestPsqlTableNameValidation(t *testing.T) {
	validTables := []string{"táblë", "table", "TableName", "\"Table name\"", "\"✅✅\"", "table$one", "\"táblë\""}
	invalidTables := []string{"table name", "table \"name\"", "✅✅", "$table$"}

	for _, name := range validTables {
		if err := validatePsqlTableName(name); err != nil {

	}

	AssertEqual(t, r.Statement.Vars, []interface{}{2, 4, 1, 3})
}

type UserWithTableNamer struct {
	gorm.Model
	Name string
}

func (UserWithTableNamer) TableName(namer schema.Namer) string {
	return namer.TableName("user")
}

func TestTableWithNamer(t *testing.T) {
	db, _ := gorm.Open(tests.DummyDialector{}, &gorm.Config{
		NamingStrategy: schema.NamingStrategy{
			TablePrefix: "t_",
		},

		// If table is not empty, get table name from the first line
		lines := strings.Split(strings.Trim(table, "\n"), "\n")
		if len(lines) >= 1 && strings.HasPrefix(lines[0], "* ") {
			tableName := lines[0][2:]
			lines = append(lines, "COMMIT")
			tables[tableName] = strings.Join(lines, "\n")
		}
	}
	return tables
}

func refreshGoldens(t *testing.T, goldenFileName string, generatedRules map[string]string) {

		checkSchemaField(t, user, &fields[i], func(f *schema.Field) {
			f.Creatable = true
			f.Updatable = true
			f.Readable = true
		})
	}
}

type CustomizeTable struct{}

func (CustomizeTable) TableName() string {
	return "customize"
}

func TestCustomizeTableName(t *testing.T) {
	customize, err := schema.Parse(&CustomizeTable{}, &sync.Map{}, schema.NamingStrategy{})
	if err != nil {

				}

				if r.JoinTable.Table != relation.JoinTable.Table {
					t.Errorf("schema %v relation's join table tablename expects %v, but got %v", s, relation.JoinTable.Table, r.JoinTable.Table)
				}

				for i := range relation.JoinTable.Fields {
					checkSchemaField(t, r.JoinTable, &relation.JoinTable.Fields[i], nil)
				}
			}