ID    uint
		Bonus float64
		Stock float64 `gorm:"not null"`
	}

	if err := DB.Table("migrate_nullable_columns").AutoMigrate(&MigrateNullableColumn2{}); err != nil {
		t.Fatalf("failed to auto migrate, got error: %v", err)
	}

	columnTypes, err := DB.Table("migrate_nullable_columns").Migrator().ColumnTypes(&MigrateNullableColumn{})
	if err != nil {
		t.Fatalf("failed to get column types, got error: %v", err)